Miscellaneous Quiz / COMP1 KeyWords Quiz

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a unique name given to a variable, procedure or function
a process that samples analogue signals at regular time intervals and produces electrical pulses of height proportional to the original signal's amplitude at the instant of samplin
an initial situation
a variable declared in a program block and accessible only within the program block
establishing the limits or rules about what can and cannot be done when solving a problem. these limits are a type of constraint
a description in a programming language of a process that achieves some useful result
of a vector graphic object, describes things such as the size, direction, thickness, shading, font size and typeface
when the program crashes or gets stuck in a loop
can be one of two possible values
the difference between the original amplitude and its sampled value
a process for coding sampled anagloue signals by recording the height of each sample in a binary electrical equivalent
the part of the routine that lists the parameters used to pass data into and out of the routine
a very restricted subset of the English language
any letter, numeral or symbol in the given character set
contains mostly unprintable characters
a way of representing the sounds made by a musical instrument
the value of the calling code's variable is copied to the routine's parameter
a text file with one record per line and the fields of each record separated by commas
breaks a problem into smaller problems that are easier to work on
a check made by a program to see that the data entered is reasonable
an electrical signal that varies in a continuous manner
a quantity expressed as the number of pixels per row by the number of pixels per column
a set of system objectives
a system that is unlikely to malfunction
an ordered set of values
a list of planned tests with their data or referring to a set of test data
a number system that uses 0 and 1
an operation that assigns a value to a variable
consecutive steps or groups of steps processed one after another in the order that they arise
the study of a complex process in order to improve its efficiency
the smallest addressable area in an image
converts digital signal into an equivalent analogue signal
a single binary digit
a group of 8 bits
code that resembles a programming language but that uses less syntax to express an algorithm and is independent of any real programming language
converts analogue signal into an equivalent digital signal
a self-contained entity that results when a problem is divided into subproblems; each corresponding to a subproblem
measures what can and cannot be computed
a step or sequence of steps that are repeated until some condition is satisfied or while some condition is satisfied
when a program does not compile because of syntax or lexical errors
a decision-making step
a group of bytes
Nyquist's Theorum
a routine that is called as part of an expression and returns a value
a whole composed of parts in orderly arrangement
a description, independent of any programming language, of a process that achieves some task. it is a step-by-step procedure for solving a problem
records geometric and other information about the objects that make up an image
a data structure that groups a number of variables
without guessing a solution before confirming it
a program that translates source code into executable object code
updating a program to correct faults or improve features
the quantity expressed as the number of dots/pixels per inch/cm
the act or process of calculating or determining something by mathematical, logical or interactive methods
a number system that uses 0 to 9 and A to F
a table that shows the outcome for given logical condition
a whole number
a collection of values of the same ordinal type with no associated order
a careful step-by-step simulation on paper of how an algorithm would be executed by a computer
used to challenge assumptions, establish facts and rules and define the boundaries of problem solving
data that varies in a continuous manner
use digital means to generate audio signals resembling instrument sounds or the human voice
a routine that may or may not return a value
things that can be used to reach a goal and impose constraints
a desired outcome
returns True or False
data that takes the form of discrete values
a system that does not involve computers
a variable declared at the beginning of a program and accessible from anywhere in the program
a sequence of printable characters, organised line by line
a component of a vector graphic such as a line, rectangle or circle
a location in memory that contains one or more data values
a language that has English-like keywords and commands to express the basic constructs of sequence, selection and iteration
when the programmer has made a mistake and the program output is incorrect
a set of system objectives
a variable that's part of a record
the number of bits used to represent the colour of a single pixel in a bitmapped image
created when the pixels of an image are mapped to positions in memory that store binary codes representing the colour of each pixel
a machine gthat consists of a fixed set of possible stated with a set of allowable inputs that change the state and a set of possible values
the study of natural and artificial information processes
a value that does not change throughout the program
placeholders for variables supplied at call time
something that shows the data entered and the result from the program
the process of breaking a problem down through successive steps into smaller problems
returns only the whole number part of a division
defines an ordered set of values such as integer, character, Boolean and enumerated types
the list of drawing commands that recreate a vector graphic
a number with a decimal point and a fractional part
squeezes data into a smaller number of bytes than the data would occupy if uncompressed
the variable inside the routine uses a reference to the same memory location. the reference is the variable passed as a parameter
a sequence of zero or more characters
a number system that uses 0 to 9
a system for representing negative numbers
a given where it is not immediately how to reach the goal
shows the effect on the current state of an FSM of particular inputs and any corresponding output
an electrical signal with voltage changes that are abrupt or in discrete steps
a way of describing a FSM graphically. each state is represented by a circle and each transition by an arrow labelled with the input that causes the transition plus any output
an indented, numbered list of steps produced by stepwise refinement
a branch of computing that studies the use of computers to perform computational processes normally associated with human intelkect

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