Programming

Question 1

What is an IDENTIFIER?

Answer 1

Names given to variables and constants

Question 2

How are values assigned? (python)

Answer 2

With an ASSIGNMENT STATEMENT (using the ‘=’)

Question 3

What is CAMEL CASE?

Answer 3

Starting each new word with a capital e.g.

FirstName OR firstName

Question 4

What is SNAKE CASE?

Answer 4

Using underscores to link words e.g.

First_Name OR first_name

Question 5

How are values assigned? (pseudo code)

Answer 5

SET ….. TO

Question 6

What are the different logic gates?

Answer 6

AND

OR

NOT

NAND (not, and)

XOR (strict or, can only be one OR the other, not both)

Question 7

What are the different data types?

Answer 7

INTEGER: whole numbers e.g. 0, 3, 9, 255

REAL: any number e.g. 2, 5.6, 31/4 , 9.7243

BOOLEAN: can only be ‘True’ or ‘False’

CHARACTER: single letter, number or symbol e.g. C, 3, @

Question 8

What is an array?

Answer 8

Data structure that can store multiple items of data, called elements, which are all of the same type of data under the same identifier

Question 9

Why are arrays useful?

Answer 9

They increase the efficiency of a program

Question 10

What is VALIDATION?

Answer 10

Checks that data that is input is sensible, reasonable and appropriate to be processed by the program

Question 11

What is a SYNTAX error?

Answer 11

Grammatical mistakes

Question 12

What is a LOGIC error?

Answer 12

Unintended output due to a fault in the logic of the algorithm

Question 13

What is a RUNTIME error?

Answer 13

Occur as a result of the computer being asked to carry out an impossible operation

e.g. dividing by 0

Question 14

What is DEBUGGING?

Answer 14

The process of identifying errors and then either correcting them or determining a way to work around them

Question 15

How do you write to a text file? (pseudo)

Answer 15

WRITE

e.g. WRITE myFile.doc, “Hello World”

Question 16

How do you read from a text file> (pseudo)

Answer 16

READ