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89 Cards in this Set
- Front
- Back
software refers to ....
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refers to a set of instructions that tells the computer what to do.
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Instruction sets are also called
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programs
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programs...
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provide a means for us to interact with and use the computer, without special computer programing skills
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your computer has two basic types of software...
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System software and application software
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System software ...
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helps run the computer and coordinates instructions between application software and the computers hardware device.
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System software includes ...
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the operating system and utility programs
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utility programs are
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programs in the operating system that help manage system resources
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Application Software
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is what you use to do task at home, school, and work.
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productivity software
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includes programs that enable you to perform various tasks generally required in home, school, and buisness
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Word processing software
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is most widely used application software
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What are the types of data that you can enter into a cell in a worksheet
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labels, values, formulas, and functions
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labels are
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descriptive text that identifies the components of the worksheet
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values are
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numeric data either typed in directly or entered by the program as a result of a calculation
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formulas are
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equations that you build yourself using addition, subtraction, multiplication, division, as well as values and cell references.
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Functions
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are formulas that are preprogrammed into the spreadsheet software. Functions help you with calculations ranging from the simple such as adding groups of number to the complex such as determining monthly loan payments, without needing to know the exact formula.
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One or more worksheets make up a ...
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workbook
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the primary benefit of spreadsheet software is its ability
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to recalculate all functions and formulas in the spreadsheet automatically when assumptions are changed.
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quickly testing assumptions in the same analysis using automatic recalculation
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is called the "what-if" analysis
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Presentation software includes
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Slide layouts, design templates (theme), and slide transitions
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Presentation software allows you to view presentations in different ways
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normal or slide view, speaker note, or in slide sorter
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Database software is
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a complex electronic filing system
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traditional databases are organized into
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fields, records and tables
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Pim software is
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personal manager software
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this software strives to ...
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replace management tools found on a traditional desk, such as a calender, address book, notepad, and to-do list.
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Wizards are
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step by step guides tat walk you through necessary steps to complete a complicated task
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templates are
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forms included in many productivity applications that provide a basic structure for a particular kind of document, spreadsheet, or presentation. Templates can include specific page layout designs, special formatting and styles relevant to that particular document, as well as automated tasks.
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Macros
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are small programs that group series of commands to run as a single command. Macros are best used to automate a routine task or a complex series of commands that must be run frequently.
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What is integrated software applications
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is a single software program that incorporates the most commonly used tool of many productivity software programs. MIcrosoft works is a isa
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SOFTWARE SUITE?
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is a group of software programs that have been bundled as a package
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System Software...
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set of software programs that helps run the computer and coordinates instructions between application software and the computers hardware
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System software consists of two primary types of programs
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operating system and utility programs
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operating system is main program that
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controls how your system functions
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the os manages the computer's
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hardware, including processor
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and is also responsible for
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management, scheduling, and interaction of tasks as well as system maintenance
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First interaction with the Os i
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is the user interface
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Utility programs
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perform many general house keeping task for the computer such as system maintenance and file compression.
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RTOS is and does what?
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Real time operating system, this machinery is required to perform repetitive series of specific task in an exact amount of time.
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What kind of operating system do networks use
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A multiuser operating system aka network operating system.
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operating system is like a ______ that coordinates the flow of data and information through the computer system
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traffic cop
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The several functions of an operating system are
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to provide a way for the user to interact with the computer, manage the processor, manage memory and storage, manage computer systems hardware, provides consistant means for software applications to work with CPU
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The operating system provides a ____ that enables you to interact with the computer.
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User interface
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Dos operating systems provide a
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command driven interface
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the command driven interface was improved to a
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menu driven interface
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Operating systems today use
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a GUI or graphical user interface
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An interrupt
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tells the operating system that it is in need of immediate attention
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preemptive multitasking is
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when the operating system processes the task assigned a higher priority over one with a lower priority.
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Can my system ever run out of Ram space
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Ram has limited capacity. the process of optimizing ram storage by borrowing hard drive space is called virtual memory.
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what is a device Driver
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a dd facilitates the communication betwen the hardware device and the operating system
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PNP stands for
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plug and play
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What is involved in the boot process
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basic input/output system (Bios) is activated by powering on the CPU.
The BIOS checks all the attached devices are in place (called power-on self-test) or POST The operating system is loaded into ram configuration and customization settings are checked. |
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CMOS stands for
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Complementary metal-oxide semi-conductor, which is a special kind of memory that uses almost no power.
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kernal or ... does what?
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supervisor program is the essential component of the operating system. It is responsible for managing the processor and all other components of the computer system. Because it stays in RAM the entire time your computer is powered on, the kernal is called memory resident.
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The registry contains all the different configurations used by the OS and by other applications. It contains...
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the customized settings you put into place, such as mouse speed and the display settings for yor monitor and desktop.
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an additional function of an operating system is to enable ...
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file management which entails providing organizational structure to the computers contents.
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Directories are
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hierarchical structure that include files, folders and drives.
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A file is a...
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collection of related pieces of information stored togethar for easy reference.
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The hard drive is represented as the
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C drive
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the first part of a file name is called the
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filename
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in a windows application following the filename and after the dot come the
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extension or file type
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you can determine the location of a file by its
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file path
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the backslash characters , used by windows are referred to
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as path separators.
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Moore's Law describes
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the pace at which CPU's improves. believed to double every 18th months
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CPU stands for
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central processing unit
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it is very important because it is the ...
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Brains of the computer
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the CPU is located on the
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motherboard
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The CPU is composed of two units
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the control unit and the ALU or arithmetic logic unit
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The series of steps the CPU performs for every program is.
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first it fetches he required piece of data or instructions from RAM. Next it decodes the instructions into something the computer can understand, Once decoded it executes the instructions this process is called a machine cycle.
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How is the CPU speed measured?
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The computer goes through theses machine cycles at a steady and constant pace.
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This pace is known as
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clock speed
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clock speed is controlled by the
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system clock
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Processor speed is measued in units of
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hertz (hz)
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hertz means
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machine cycles per second
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older machines run at sppeeds measured in ..... while newer ones run at speeds measured in ....
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megahertz and gigahertz
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The amount of Ram sitting on your memory modules in your computer is known as
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physical memory
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the memory that your operating system uses is referred to as
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kernal memory
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What does it mean to be memory bound
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that is limited in how fast it can send data to the CPU because there is not enough RAM installed--it will become sluggish
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Access time is
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the time it takes a storage device to locate its stored data and make it available for processing.
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Hard Drives have the .....access time of all permanent drives
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fastest
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the data transfer rate is
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the speed at which hard drives transfer data to other computer components
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A computer network
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is simply two or more computers that are connected via software and hardware so that they can communicate with each other.
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devices connected to a network are referred to as
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nodes
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two ways a network can be controlled
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locally or centrally
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peer to peer network is the most
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common example of a locally controlled network
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the most common type of a centrally controlled network is a
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client server network
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the client in a client server network is
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the compute on which users accomplish specific task and maker specific requests
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the server is the computer that provides
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information or resources to the client computers on the network
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LAN stands for
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Local Area Network
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WAN stands for
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Wide Area Network
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Data transfer rate is also called
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bandwidth, this is the maximum at which data can be transmitted
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