Comp Sci
Define Alpha
In-house group of programmers
Capture data with sensors (temperature, sound, pressure, light, chemical, etc.).
Data represented in discrete quantities
Define Beta
Who, What, validation, processing - Interview, surveys, existing documents, search
Ability to randomly access an arbitrary element in equal time. Used in stores
Selected group of outside users that are willing to give feedback on program.
Define Data Collection
Converts HLL to machine code and creates variable memory location
Who, What, validation, processing - Interview, surveys, existing documents, search
Periodic reviews, corrections, debugging, improvements, re-testing and evaluation.
Define Defragmentation
Group related disk areas to improve the speed at which data can be accessed.
Exchange of signals between devices that protocol has been followed.
Recording of a series of keystrokes.
Define Digital
Data represented in discrete quantities
Adv. = when old and new are totally different. Dis = possible loss of data, crashes
Soft/hardware protection between network and outside world - inspects data
Define Direct Access
Adv. = when old and new are totally different. Dis = possible loss of data, crashes
Ability to randomly access an arbitrary element in equal time. Used in stores
Group related disk areas to improve the speed at which data can be accessed.
Define Direct Change
Network with unlimited connections world wide
Purpose, meaningful identifiers, indentation, diagrams, User instruction (low-tech).
Adv. = when old and new are totally different. Dis = possible loss of data, crashes
Define WAN
Network with unlimited connections world wide
Software/hardware that allows connection to other networks
Soft/hardware protection between network and outside world - inspects data
Define Documentation
Estimate cost, expected benefits, time to develop and implement, difficulties, risks.
Purpose, meaningful identifiers, indentation, diagrams, User instruction (low-tech).
Soft/hardware protection between network and outside world - inspects data
Define Feasibility
Purpose, meaningful identifiers, indentation, diagrams, User instruction (low-tech).
Device that connects network components without regard to destination of data.
Estimate cost, expected benefits, time to develop and implement, difficulties, risks.
Define Firewall
Adv. = small sections tested and confirmed to work. Dis= extended training time
Soft/hardware protection between network and outside world - inspects data
Lower and upper limits of data
Define Gateway
Returns the remainder after integer division.
Software/hardware that allows connection to other networks
Temp = A; A = B; B = temp;
Define Handshaking
Returns the remainder after integer division.
Exchange of signals between devices that protocol has been followed.
Used to store programs and variables while in execution. Cache RAM and ROM
Lexical
Removes all spaces and comments then looks for key words
Periodic reviews, corrections, debugging, improvements, re-testing and evaluation.
Adv. = small sections tested and confirmed to work. Dis= extended training time
Define Macro
Agreed upon formats and procedures related to data transfer
Capture data with mouse, keyboard, joystick, or touch screen.
Recording of a series of keystrokes.
Define Modulus
Security digit added to ensure that the number of bits is always even or odd
Lights, printer, LCD, actuators, switches, converters, plotter.
Returns the remainder after integer division.
Define Operating system
Program designed
Returns the remainder after integer division.
Adv. = Check new and old together, no loss of data, Dis= twice the work
Define Parallel Change
Interference which can alter data during transmission
Adv. = Check new and old together, no loss of data, Dis= twice the work
Analysis > Design > Construction > Test - Install > Maintenance > Analysis
Define Trace
Following the steps of an algorithm to completion or error.
Hardware/software, functions personal and tasks, formal performance agreement
Sequential data access in order used in payroll accounts
Define Virtual
The meaning of the procedure not detected by the compiler.
An extension of primary memory created by using a secondary swap file
Adv. = small sections tested and confirmed to work. Dis= extended training time
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