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191 Cards in this Set
- Front
- Back
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a programmable electronic device that can be instructed to perform a task or a funcion when fed with a program or software.
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Computer
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takes data and converts it into information.
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Computer
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a programmable electronic device that can be instructed to perform a task or a funcion when fed with a program or software.
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Computer
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signifies that a device can be instructed to perform a task or a function when fed with a program or software.
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Programmable
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A programmable electronic device that can input, process, output, and store data.
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Computer
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represents test, numbers, graphics, sounds, and videos entered into the computer's memory during input operations.
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Data
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signifies that a device can be instructed to perform a task or a function when fed with a program or software.
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Programmable
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is data tha has been processed so that it can be presented in an organized and meaninful way. "jigsaw puzzle" and information as the finished puzzle.
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Information
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represents test, numbers, graphics, sounds, and videos entered into the computer's memory during input operations.
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Data
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Four basic computer functions "the information processing cycle"
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Input
Process Output Storage |
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is data tha has been processed so that it can be presented in an organized and meaninful way. "jigsaw puzzle" and information as the finished puzzle.
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Information
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The computer gathers data or enables a user to enter data.
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Input
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a programmable electronic device that can be instructed to perform a task or a funcion when fed with a program or software.
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Computer
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Four basic computer functions "the information processing cycle"
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Input
Process Output Storage |
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takes data and converts it into information.
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Computer
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Data is manipulated and converted into information.
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Process
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The computer gathers data or enables a user to enter data.
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Input
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signifies that a device can be instructed to perform a task or a function when fed with a program or software.
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Programmable
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Information is displayed or shown to the user in a way that is understandable.
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Output
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Data is manipulated and converted into information.
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Process
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represents test, numbers, graphics, sounds, and videos entered into the computer's memory during input operations.
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Data
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Data and/ or information is stored for future use.
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Storage
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Information is displayed or shown to the user in a way that is understandable.
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Output
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is data that has been processed so that it can be presented in an organized and meaninful way. "jigsaw puzzle"
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Information
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Data and/ or information is stored for future use.
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Storage
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Four basic computer functions "the information processing cycle"
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Input
Process Output Storage |
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The computer gathers data or enables a user to enter data, this is called?
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Input
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Data is manipulated and converted into information.
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Process
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Information is displayed or shown to the user in a way that is understandable.
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Output
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Data and/ or information is stored for future use.
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Storage
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It is the center of flow of data and information within this cycle. (information processing cycle) it is not a function.
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Memory
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Monitor - input or output
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output
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speakers - input or output
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output
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Keyboard/mouse - input or output
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input
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card reader - input or output
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input/output
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printer - input or out put
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output
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scanner - input or output
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input
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headset/headphones - input or output
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output
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microphone - input or output
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input
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webcam - input or output
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input
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Modem - input or output
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input/output
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Desktop computers
Notebook computers Tablet computers Mobile devices |
Microcomputers
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are computers that sit on the desk, floor, or table, and typically have a detachable keyboard, mouse, monitor,.
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Desktop computers
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To ______ means to put together by selecting a specific combination of components, features, and options.
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Configure
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are mostly used by video game players. They usually have a fast CPU, large amount of memory, a special video card, joystick or game pad, and sound card with surround sound speaker system.
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Gaming Computers
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A lap-top is known as what kind of computer?
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Notebook Computer
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A _______ enables the user to connect a notebook to a full-size keyboard, monitor, and other devices in an office setting.
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Docking Station
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these computers are similar to notebooks; however, they a convertible touch screen that swivels.
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Tablet Computers
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Pen that is used to write on a tablet computer?
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Stylus
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What is a PDA?
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Personal Digital Assistants
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PDAs, handheld computers and smartphones are known as?
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Mobile Devices
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The newest mobile devices are know as?
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Handhelds
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are specialized computers that manage network resources through the use of administrative software. They provide other computers with access to the network and can handle a variety of functions.
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Servers
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They are large computers often found in large businesses and government agencies. They can perform more than one task at a time and can be used by many simultaneously and they multitask.
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Mainframe Computers
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They are large, powerful, and ultrafast computers that perform special tasks. They are the fastest and most expensive computer.
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supercomputers
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nickname for the fastest supercomputer in the world.
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Roadrunner
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These are examples of what kind of computer
electronic appliances, microwave oven, digital cameras, programmable thermostats, medical devices, and anti-lock brake systems. |
Embedded Computers
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is the computer and any equipment connected to it. it is the physical components of the computer.
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Hardware
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What is the monitor, keyboard, and printer known as?
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Peripherals
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The computer itself is known as ?
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the system unit
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The system unit is also referred to as?
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Tower, Box, or Console
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The main computer circuit board into whick all components are plugged. It is installed safely inside the box or case called the system unit.
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Motherboard
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it is responsible for getting data from memory, performing arithmetric and logical operations, and converting data to information.
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CPU (central processing unit)
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The Microprocessor Chip is also known as the?
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Central Processing Unit
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CPU =
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Central Processing Unit
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Components of the motherboard?
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CPU
Memory Modules (RAM) Expansion Slots Expansion Cards Ports |
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The motherboard is also known as?
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System Board
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Temporary storage area where data is stored before processing, output, or storage.
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Memory Modules
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is the center of flow of data information within the information processing cycle.
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RAM
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Slots or connectors on the motherboard that allow you to connect expansion cards.
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Expansion slots
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is the primary input device for computers.
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Keyboard
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Ctrl, Alt, and windows keys are ?
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Control Keys (often shortcuts)
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are used to enter data into memory (RAM)
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Input devices
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works just like a light swith; press it once and the feature is turned on?
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Toggle Key
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is an input device (also known as a pointing device)
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Mouse
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The mouse is represented on the screen by a symbol called the?
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Mouse Pointer
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The ____ mouse button is considered the primary button.
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Left
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Pressing and releasing the right mouse button one time will open a ?
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Shortcut Menu
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Scanners - input or output
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input
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is the brain of the computer and is responsible for executing program instructions and manipulating data to convert to information.
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CPU
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What are the parts of the CPU
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Control Unit
Arithmetic Logic Unit |
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ALU =
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Arithmetic Logic Unit
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is responsible for obtaining and executing instructions from the computer's memory.
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Control Unit
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performs the arithmetic and logic functions? Handles +,-,X and /
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ALU
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One indicator of a CPU's processing power is its?
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Clock Speed
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Clock speed measures the speed at which a CPU processes data (# if instructions per second) and is measured in ?
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Megahertz or Gigahertz
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MHz =
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Megahertz
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GHz =
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Gigahertz
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The term _____ signifies storage.
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Memory
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What are the two types of memory?
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Temporary or Volatile
Permanent or Nonvolatile |
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Permanent Memory =
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ROM
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ROM =
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Read only memory
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Memory that is prerecorded on a chip, and it cannot be changed, removed or rewritten and it is nonvolatile.
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ROM
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Temporary memory or volatile memory is?
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RAM
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RAM =
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Random Access Memory
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acts as the computers short term memory and stores data and program instructions waiting to be processed.
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RAM
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Memory that remains when the computer is shut off.
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ROM
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Memory that is erased when the computer is shut off?
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RAM
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is approximately one million bytes
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MB
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MB =
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megabyte
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is approximately one billion bytes
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GB
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GB =
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Gigabytes
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is one trillion bytes
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TR
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TR =
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Terabytes
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Holds one character, a byte
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Byte
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Units of Measure Memory
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B - Byte
KB - Kilobyte MB - Megabyte GB - Gigabyte TB - Terabyte PB - Petabyte |
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They display information after data has been processed in a useful format. (text,graphics, audio, video)
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Output devices
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are display devices that show images of text, graphics, and video once data has been processed.
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Monitors
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LCD =
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Liquid Crystal Display
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The number of pixels on the screen determines a monitor's sharpness and clarity, also know as?
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Resolution
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digital distance between two pixels of the same color is?
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Dot Pitch
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is the speed at which the pixels are reilluminated and it's measured in cycles per second is?
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Refresh Rate
average 75 and 85 Hz |
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dpi =
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Dot Per Ince
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MFD =
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Multifunction Device
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are used to store data, information, and programs for future use.
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Storage Devices
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_____ is the removable part that actually conatains the stored data. Requires a divce to read and write on it.
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Media
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used tape or film covered in a thin, magnetic coating that enables data to be saved as magnetic impulses.
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Magnetic
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uses flat plastic discs coated in a special reflective material. Data is saved by using a laser beam to burn tiny pits into the storage medium.
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Optical
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Magnetic and Optical are forms of ?
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storage
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is a disc labeling technology that burns text and graphics into the surface of a specially coated LightScirbe CD or DVD.
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LightScrive
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uses solid-state technology. It is completely electronic and has no moving parts. (rewritable storage)
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Flash Memory
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What are the main types of storage devices?
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Hard Disc Drive
Floppy Disc Drive CD and/or DVD Drives CD Burner |
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is the computers main internal storage device. Its storage space is usually measured in GB
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Hard Disc Drive
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This is a device that reads/writes floppy diskettes that have a maximum storage capacity of 1,450 MB
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Floppy Disc Drive
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CD or DVD holdsmore information?
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DVD
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acts as an interface or connector between a system's peripheral devices and computer, enabling data to be exchanged easily.
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Ports
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are ports that can send data only one bit at a time.
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Serial Ports
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is a port that sends data in groups of bits.
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Parallel Port
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USB =
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Universal Serial Port
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This type of port is able to interface with several different peripheral devices.
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USB
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DSL =
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Digital Subscriber Line or dial-up internet access
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_____ ports are used to connect electronic musical devices.
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MIDI
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is used to enable devices such as PDAs, keyboards, and mice to transmit data wirelessly to another device by using infrared light waves.
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IrDA Port
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relies on radio wave transmissions and doesn't require a clear line of sight.
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Bluetooth
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is used to connect the monitor to the graphics processing unit.
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Monitor Port
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DVI =
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Digital Video Interface port
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The way a computer system is set up or the combination of components that make up the system is called its?
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Configuration
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_____ provides the instructions or commands that tell the computer what to do.
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Software
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a set of instructions that the computer has is called?
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Programs
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What are the two categories of computer software?
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System Software
Application Software |
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is a special computer program that is present on every desktop computer, notebbok, PDA, or mainframes. It controls the way the computer works from the time it is turned on until it shuts down.
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Operating System
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OP
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Operating System
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GUI
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Graphical user interface
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point and click format, ___ _____ operating systems use display information on the monitor in the form of retangular boxes called ____
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GUI
Windows |
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Do all computers have an operating system?
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yes
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______ is an operating system designed specifically for Apple's Macintosh computers.
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Mac OS
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Create folders, manage files, and compress/extract files. Read disc drives properties including view storage capacity and free disc space, check drive errors, defragment utility, and back up/restore utility.
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Windows Explorer
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Lets the user view the list of active applications, and switch or end any of them. Also, check the performance of the computer including CPU usage, RAM availability, and network utilization.
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Windows Task Manager (Ctrl, Alt, Delete)
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Review's you computer status
Back up your computer Find and fix problems |
System and Security (control panel)
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View's devices and printers
Add's a device Connect to a projector |
Hardware and Internet (control panel)
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View's network status and tasks
Choose home group and sharing options |
Network and Internet (control panel)
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are programs created to perform a specific task, solve a problem, or address a specific need.
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Applications
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is used to create, edit, format, print, and save documents and other text-based files. Enables you to create or edit letters, reports, memeos
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Word Processing Software
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is a connection to another area of a document or a connection to an Internet URL
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Hyperlink
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Enables the user to enter data in rows or columns format and performs calculations, converts data into one or more charts, works with list to organize,.
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Spreadsheet Software
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is a collection of data or unorganized facts.
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Database
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is used to store, organize, update, and retrieve large amounts of data.
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Database Software
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stores information in tables, which enables users quick access to the data by connecting tables with common fields.
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Ralational Database Software
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RDBMS
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Relational Database Software
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is a function in some database that looks for hidden patterns in the data to anticipate future patterns.
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Data Mining
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is used to create electronic slides and project slide shows to visually present materials and ideas to large groups.
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Presentation Software
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Software used for videoconferencing and telephony, address book, a scheduler, a calendar, and task functions, which help users to organize their personal and professional responsibilities.
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Communication and Organizational Software
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connecting one computer to another crates a ?
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Network
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Each object connected to a network, whether it is a computer or a peripheral device is know as a?
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Node
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enables voice, facsimile, and voice messaging communications over networks and the Internet?
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Voice Over Internet Protocol
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VoIP
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Voice Over Internet Protocol
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A network that connects computers reasonably close together, say within a few city blocks is called?
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Local Area Network
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If a network grows to cover a large geographical area or begins to include other networks is becomes?
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Wide Area Network
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WAN
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Wide Area Network
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What kind of network are found in most homes and small businesses?
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Peer-to-peer or P2P networks
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In a ____ network the server manages and controls all network resourses.
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Client/Server Network
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If a server is assigned to handle only specific tasks, it is known as a ?
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Dedicated Server
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Just as there are different sizes and styles of buildings, networks are designed to be physically configured and connected in different ways. This is called ?
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Network Topology
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connects each node to a single, central high-speed line known as a bus.
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Bus Topology
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Ring Topology is also known as ?
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Token-ring-topology
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Connects each node to the next, forming a loop or a circle.
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Ring Topology
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each node is connected to a special device known as a switch, which is centrally located. Each node must go through the switch to communicate.
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Star Topology
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Computer Maintenance
Establish a regular maintenance routine, you should do what? |
Backup utilities
Disk Cleanup Disk Defragmenter Task Scheduler System Restore |
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Malicious codes or software
Invade a computer and alter or destroy data Replicate themselves |
Viruses
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Malicious programs that spread from computer to computer.
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Worms
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Often appear to be a desirable software program
Do not duplicate themselves or infect other files Allow intruders such as botnets software robots that run automatically in networks |
Trojan horses
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Captures information on a computer
Usually not intended to harm a computer Adware Cookies Key loggers |
Spyware
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Finds and removes viruses
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Antivirus software
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Similar to antivirus software
Finds and removes spyware |
Antispyware software
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Software programs or hardware devices
Can make computers invisible to hackers Can prevent hackers from turning your computer into a zombie |
Personal firewalls
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A remotely controlled computer used to spread viruses, spyware, or spam
Can also be used in denial of service (DoS) attacks |
Zombie
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What else should you do to be safe online?
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Do not give our personal information
Avoid spam email and phishing attacks Phishing is an email that masquerades as authentic organizations and ask for personal information Check for hoaxes and scams online When in doubt, always check |
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is a popular term for a group of sodfware reobts that run automatically in networks such as instant messagers, chat rooms and discussion groups.
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Botnet
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is spyware disigned to capture personal and confidential information that resides on your system and sends it elsewhere.
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Adware
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is a small text file that contains information that can identify you to a website.
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Cookie
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Type of spyware that records every keystroke made on the computer.
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Key Loggers
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