paper 2

Question 1

Describe two common tools or facilities an IDE can provide

Answer 1

-to check for run time errors/to test the program
-error diagnostics/ suggest solutions

Question 2

logic error

Answer 2

when the program runs but not as intended

Question 3

syntax error

Answer 3

an error in the code where the rules or grammar of the programming language have been broken

Question 4

casting

Answer 4

changing the data type of the contents of a variable

Question 5

why is hexadecimal used by computer scientists instead of binary

Answer 5

-it is simpler to remember large numbers in hex because they are shorter than binary numbers
-they are shorter so there is a lower chance of input errors
-it is easier to convert between binary and hex then binary and denary

Question 6

how can defensive design be used to protect programs?

Answer 6

-anticipate how users might misuse their program then attempt to prevent it from happening
-ensure the program is well maintained
-ensure their source code is well maintained
-reduce the number of errors in code through testing