program--急急(配對）

Here's my best try. I am not fully convinced about the answer in A (first line).

A. A process that involves fixing errors in a program.19. use-statement
B. A way of writing an algorithm using Structured-English.15. pseudo-code
C. A block of code within a program that has a name and performs a task.13. procedure
D. The process of finding out what is wrong with a program.6. debugging
E. A data item within a program that has a value that never changes.3. constant
F. The rules that must be followed when writing instructions in a programming language.16. syntax
G. A data item within a program that requires a memory location to store its current value.20. variable
H. A formula consisting of constants, variables, functions and operators that can be evaluated to
give a result.8. expression
I. A set of data that is used to check that a program works correctly 17. test case
J. An ordered set of instructions that can be executed by a person to solve a problem.1. algorithm
K. A solution to a problem that is coded into a particular programming language and executed by a
computer. 14. program
L. Modifications made to a program after hand-over to rectify errors and add additional features.9. maintenance
M. A concise expression of the overall aim of the program.11. problem
N. A categorisation of data that determines how the value of a data item is stored internally.4. data type
O. Any question or matter involving doubt, uncertainty or difficulty.18. testing
P. A process that ensures that data input to a program is acceptable.5. data validation
Q. User interaction with an interface object (eg. clicking on a command button).7. event
R. The set of binary instructions produced when a program is compiled..10. object code
S. Developing the instructions or steps to be followed to complete a task.12. problem solving

T. An expression that returns True or False when evaluated. 2. condition