OCR Computer Science Paper
exam questions with certified
answers.
Start/Stop - Answer Flow chart: A box with rounded corners.
Function - Answer A set of instructions stored under one name that
returns a value.
Inputs/Outputs - Answer Flow chart: A parallelogram box.
Parameter - Answer Variables that are used to pass values into a sub
program.
Processes - Answer Flow chart: A rectangular box.
, Argument - Answer A value that is passed into a sub program.
Decisions - Answer Flow chart: A diamond box.
Local Variable - Answer A variable that only exists within the structure
it's declared in.
Sub Routines - Answer Flow chart: A rectangular box with lines either
side of it.
Global Variable - Answer A variable that exists within all structures in a
program.
Binary Search - Answer On an ordered list, compare the middle item
with the search value then discard the half of the list that is too
big/small. Repeat.
Input Sanitisation - Answer Removing any unwanted characters before
passing data through the program.
Linear Search - Answer On an unordered list, search each item in turn.
Input Validation - Answer Checking if data meets certain criteria before
passing it into the program.
exam questions with certified
answers.
Start/Stop - Answer Flow chart: A box with rounded corners.
Function - Answer A set of instructions stored under one name that
returns a value.
Inputs/Outputs - Answer Flow chart: A parallelogram box.
Parameter - Answer Variables that are used to pass values into a sub
program.
Processes - Answer Flow chart: A rectangular box.
, Argument - Answer A value that is passed into a sub program.
Decisions - Answer Flow chart: A diamond box.
Local Variable - Answer A variable that only exists within the structure
it's declared in.
Sub Routines - Answer Flow chart: A rectangular box with lines either
side of it.
Global Variable - Answer A variable that exists within all structures in a
program.
Binary Search - Answer On an ordered list, compare the middle item
with the search value then discard the half of the list that is too
big/small. Repeat.
Input Sanitisation - Answer Removing any unwanted characters before
passing data through the program.
Linear Search - Answer On an unordered list, search each item in turn.
Input Validation - Answer Checking if data meets certain criteria before
passing it into the program.
