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62 Cards in this Set
- Front
- Back
A _______ connects the CPU to the main memory.
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System Bus
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The CPU contains the ____ _____ and the _____/____ unit.
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Control Unit
Arthemetic/logic unit |
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Converts computer output into a video signal that is sent through a cable to the monitor, which displays an image on the screen.
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Video Card
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Memory chips in the system Unit
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RAM
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An interface used to connect devices that are capeable of transfering more than one bit at a time (Ex: Printer)
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Parallel Port
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The name given to memory chips storing data that only can be read
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Read-only memory (ROM)
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Memory stores the ______, other ____ _____ _____ _____ and _____ being processed by the application programs.
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Operating system
System Software Application Programs, data |
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The _____ is a coding scheme used primarily on mainframe computers.
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EBCDIC (Extended Binary Coded Decimal Interchange Code)
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Memory stores the ______, other ____ _____ _____ _____ and _____ being processed by the application programs.
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Operating system
System Software Application Programs, data |
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The interface, or point of attachment, to the system unit
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port
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The computers capibility to automatically configure expansion cards and other devices as they are configured.
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Plug and Play
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Memory stores the ______, other ____ _____ _____ _____ and _____ being processed by the application programs.
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Operating system
System Software Application Programs, data |
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The _____ _____ ____ are buses that eliminates the need to install cards into expansion slots.
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Universial Serial Bus (USB)
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The CPU...
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interprets and carries out the basic instructions that operate a computer
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The number of bits the CPU can process at a given time
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Word Size
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_____ is the process of obtaining a program instruction or data item from memory.
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Fetching
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A component of the CPU that directs and coordinates most of the operations in the computer
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control unit
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Memory chipc in the system Unit
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RAM
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A _____ is equal to exactly 1,024 bytes, but often is rounded down to 1,000 bytes by computer users.
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kilobyte
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A SCSI, or small computer system interface, port is a special high-speed parallel port used to attach ________ devices.
(Ex: disk drives, printers) |
perpherial
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A digit that represents the smallest unit of data the computer can handle.
Ex: One Digit |
bit
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A _____ is equal to approximately one million bytes.
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Megabyte
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____ is an example of volatile memory.
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RAM
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A chip that the control unit relies on that synchronizes, or controls the timing of all computer operations
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System Clock
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Flash memory or flash ROM is diferent from PROM because PROM can only be ________ once.
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programmed
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For memory, access times are measured in terms of a nanosecond (ns), which is one _____ of a second.
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billionth
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Motherboard is also know as
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System board
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The number of bits the CPU can process at a given time
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Word Size
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In most computers, the word size is the _____ as the bus width.
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same
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What is the System Unit?
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A box-like case that houses the electronic components of the computer that are used to process data.
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The ____ ___ is the most common and slowest expansion bus.
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ISA Bus
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A ____ _____ is a high-speed expansion bus used to connect higher-speed devices.
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Local Bus
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Intel-compatible microprocessors have the same internal design or srchitecture as ______ _______.
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Intel Processors
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An open area inside the system unit used to install additional equipment
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Bay
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Human Speech is ___, meaning it uses continuous signals to represent data and information
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analog
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_____ is the process of traanslating an instruction into commands the computer understands.
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Decoding
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8 digits grouped together
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byte
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_____ is the process of obtaining a program instruction or data item from memory.
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Fetching
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_____ is the process of writing results to memory.
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Storing
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______ is the process of carrying out commands.
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Executing
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Used to enhance the sound-generating capabilities of a personal computer by allowing sound to be input through a microphone and output through speakers
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Sound Card
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The interface, or point of attachment, to the system unit
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port
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Clock speed, the speed at which a processor executes instructions, is measured in ____ or ____ which equates to one million ticks of the system clock.
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ticks or pulses
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Arethmetic operations include ____,_____,_____,&_____.
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addition, subtraction, multiplication, division
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The _____ code is the most widely used coding system to represent data.
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American Standard (ASCII)
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Clock speed, the speed at which a processor executes instructions, is measured in ____ or ____ which equates to one million ticks of the system clock.
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ticks or pulses
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A byte is information becaise it provides enough different combinations of 0's and 1's to represent ___ individual characters.
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256
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A ___ ___ ___ upgrade is a processor upgrade in which the existing processor chip is replaced with a new one.
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chip for chip
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An interface used to connect devices that are capeable of transfering more than one bit at a time (Ex: Printer)
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Parallel Port
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A type of interface used to connect a device to the system unit (Ex: mouse, keyboard)
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serial port
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Most computers are ________, meaning they only understand two discrete states:
ON and OFF |
Digital
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An interface used to connect devices that are capeable of transfering more than one bit at a time (Ex: Printer)
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Parallel Port
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A component of the CPU that performs the execution part of a machine cycle
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arthmetic/logic unit
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A number system that has just two unique digits, 0 and 1
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Binary System
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A single chip where the CPU is located
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Microprocessor
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An integrated circuit is
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A microscopic pathway capeable of carrying electrical current.
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The Motherboard is
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a circuit board where many electronic components in the system unit reside
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A channel that allowa various devices inside and attached to the system unit to communicate with each other
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bus
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The component in the system unit that converts the wall outlet AC power into AC power.
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Power Supply
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______ is the process of carrying out commands.
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Executing
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_____ is the process of obtaining a program instruction or data item from memory.
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Fetching
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Has a small lever or screw designed to facilitate the installation and removal of processor chips.
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Zero-insertion force
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