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100 Cards in this Set
- Front
- Back
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CAD/CAM
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Computer-aided design or computer-aided manufacturing
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CAD
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Computer-aided design; the use of computers to create, evaluate, and test new designs
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Backspace:
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to move the cursor to the left one space using the back arrow key
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Backup
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a copy of data placed on an auxiliary storage medium to serve as a safety copy should the original be destroyed
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Bit
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either a 1 or 0 in the binary number system; it takes 8 bits to equal one byte on most microcomputers
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Boot-up
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to start up; it is usually aprocess within the operating system which depends on information from the disk to be transferred to memory
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Control key (CTRL)
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a special key tht is pressed while striking another key; usually used to perform special internal function
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Cursor
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the location on the screen where thenext letter, number, symbol, or space can be entered; ;it may be a dot, line, box, or blinking square
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Database
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a group of information that may be accessed by a computer
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disk drive
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the most common form of auxilliary storage; it uses round, flat plastic or metal disks coated with a magnetic surface
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edit
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the process of rearranging, changing, and correcting copy; includes proofreading but is not limited to it
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electronic mail
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a method of sending of message by computer; it has affect the way mnay office workers communicate
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feedback
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the ability of the computer to sense; in some uses of computers this allows the computer to make decisions based on physical changes
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field
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individual item of data made up of characters, such as a person's last name
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Command
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any keyword that is normally not preceded by a line number; it is used for the computer's immediate action
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File
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a collection of relation records treated as unit, such as a list of students and their grades
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graphic
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a chart, drawing or picture
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hard disk
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a nonflexible disk which is capable of very high amounts of data storage
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hierarchy chart
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a diagram used to write down the different functions that a program must perform and to show the relationship of one function to another
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home
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a keyword used to clear the screen on the Apple microcomputer
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Input
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a statement used to get data from the keyboard and assign it to a variable
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keyboard
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a device that sends data to the processor each time a key is struck
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LIST
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a command that displays a program line by line on the screen
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machine language
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a language inwhich instructions are written in the binary number code that is directly understood by the processor
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main storage
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another name for memory
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mainframe
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a computer that is larger in size and very fast
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media
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the materials that data is recorded on before it is sent to the computer
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memory
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storage locations in the computer
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microcomputer
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the "computer on a chip"; a small-sized computer, generally a single-user device with akeyboard, a screen, and auxilary storage
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menu
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a list of operations in the computer
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microprocessor
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a processor that has all of the processing circuits contined in one pience known as an integrated circuit
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modem
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a device that enables communication between computers through telephone lines
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minicompute
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a medium-sized computer, generally used with several terminals
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monitor
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a televisonlike screen used for output on most microcomputers
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merging
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the porcess of ocmbining text and data into the same document; or the process of combining one program or file with another
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mouse
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an input device which when rolled about a surface sends signals to the computer which can direct a cursor on the video display screen.
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MS-Dos
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an operating sysgem developed by Microsoft Corporation
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EBCDIC
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extended binary coded decimal interchange code; a commonly used code to represent data
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debug
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to find and correct errors in a program
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data processing
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the job of putting facts into a usable form
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DATA
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a statement used to specify that the remainder of the items on a line consist of information that can be used by the READ statement in BASIC
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laser printer
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anonimpact printer that uses a laser beam to "write" characters on a drum that is sensitve to photographic images; the drum then transfers the characters to paper.
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kilobyte
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1024 bites of computer memory; computer manufacturers experess the capacity of memory in terms of the letter K which is short for kilobytes
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insertion
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new text that is added to existing text
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integration
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the process of bringing together
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interactive
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a term used to describe a program or computer system that performs two-way communication between the user and the computer
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mode
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a way of operating
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numeric address
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the numeric label or name applied to a location in the memory
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online
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connected directly to a computer
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operating system
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a series of program that control the operation of the computer system
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offline
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a term used to describe computer-related activities whicha re not physically connected to a computer; an example would be keypunching of cards
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optical scanner
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a device that sends data to the processor as it "looks at" data in printed or written form
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original data
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data to be processed, also referred to as raw data
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output
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useful information that leaves an information systems' usually presented to the user as a screen dispolay or printout
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Pascal
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a high-level language especially well suited for structured programming
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PC-DOS
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an operating system developed by International ZBusiness Machines (IBM) for use on IBM personal computer
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plotte
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an output device that uses a specil pen to draw output on paper
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print
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to produce, using a printer, a paper copy of infomration displayed on a computer screen or stored in computer memory
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printhead
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the part of a printer that actuallyd oes the printing
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processor
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the computer system unit that receives and carries out instructions
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program mode
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same as deferred execution mode
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programming language
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a series of instrucitons used to communicate with the computer
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prompt
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a message displayed on the screen telling the user that the computer is awaiting a specific response
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pseudocode
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another name for program design
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random access
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a term used to describe a device that can go directly to the location of a particular data without having to read througha ll the data in front of it
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random access memory (RAM)
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a temporary location in memory while processing is taking place' it is erased when the computer is powered down.
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READ
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a statement that reads data from a DATA line and assigns it to one or more variables
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Read-Only memory (ROM)
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memory which does not lose its data when the computer is powered down
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record
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a group of related fields
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recording
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the processof writing, rewriting, or reporducing data by hand or electronically
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RETURN
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a statement used to tell BASIC to return from a subroutine or module to the statement following the GOSUB statement from which it left
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retrieving
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the process of making stored information available when needed
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RESTORE
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a statement that tells the computer to start back at the beginning of the DATA so that the READ statement can use the data over again.
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Word processing
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the writing and storing of letters and reports on a computer
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terminal
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a keyboard and screen (or printing unit) used to access a computer
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sorting
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the process of arranging information according to a logical system
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software
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instructions, or program, that tell the computer what to do
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shift key
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a key used to make capital letters and certain symbols when struck at the same time as another key
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shift lock (CAPS lock)
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a key that when depressed cuases all letters to be capitalized (ALL-CAPPED)
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spreadsheet
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a program that uses a table (row and column arrangement) of numbers to perform calculations
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storing
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the saving of informationso that it may be used later
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variable
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a named memory location for data
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utility program
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a program designed to do a routine job, such as copying data from one disk to another
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systems programmer
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a person who writes instructions that tell the computer how to operate
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system
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a group of devices and procedures for performing a task
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spelling checker
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a program that looks up the words of a document in its dictionary' any word not found in the dictionary is called to the attention of the operator
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RUN
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a command that cuases the computer to execute a program
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user-interface shell
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a program that makes the use of operating system commands easier
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text entry
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the process of getting words from the mind of the writer or form a wrtten document into the computer system
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top-down design
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a process of beginning with the "big picure" and gradually refining the design, adding more more detail at each step
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summarizing
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the process of changing processed data into brief, meaningful form
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supercomputer
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a very fast and powerful computer
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tabulator
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a machine used to record data from punched cards and print reports
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track
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a path on which data is recorded on a disk or tape
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UNIX
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an operating system developed by Bell Laboratories
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microfiche
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small rectangular sheets of microfilm
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ASCII
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American Standard Code for Information Interchange' a commonly used code to represent data
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assembly
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putting together different parts of text to form a new document
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boot up
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to start up; itis usually a process within the operating system which depends on informing the disk to be transferred to memory
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direct access
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another name for random access
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