Computing

Question 1

How is sequential code executed ?

Answer 1

Line by line

Question 2

What type of data does an integer variable hold?

Answer 2

Whole numbers

Question 3

What is the name given to the type of programming construct that allows the program to respond to different input conditions ?

Answer 3

Selection

Question 4

Python uses banks of ELIF statements but what do other programming languages use to represent multiple possible conditions in a program?

Answer 4

Select case statements

Question 5

Which type of program requires the use of a count controlled loop?

Answer 5

One where we know how many executions of the loop are required

Question 6

Which type of program requires the use of a condition controlled loop?

Answer 6

One where we want the loop code to continue executing until a condition is met or not met

Question 7

What are the two possible single values that a computer can represent?

Answer 7

1 and 0

Question 8

What will happen if the condition in a WHILE loop is never met?

Answer 8

The program will not stop

Question 9

What is ITERATION

Answer 9

Looping or repeating sections of a program

Question 10

What is an identifier whose value is fixed and cannot be changed within a program?

Answer 10

A constant

Question 11

What is the name given to programming in binary ?

Answer 11

Machine code

Question 12

What is the name given to the process of checking a while program to ensure that it is capable of being executed by the CPU?

Answer 12

Compiling

Question 13

What does GUI stand for?

Answer 13

Graphical User Interface

Question 14

What are sequential operations ?

Answer 14

Instructions that are executed In order

Question 15

What are control operations ?

Answer 15

Instructions do not have to be carried out in order. It can be divided further into:
• Conditional operations
• Iterative operations

Question 16

What are conditional operations ?

Answer 16

A control structure that checks if a condition is TRUE or FALSE and then executes an instruction based on the answer (IF…ELSE).

Question 17

What are iterative operations ?

Answer 17

A control structure that repeats a set of instructions until a condition is met.

Question 18

What is an algorithm?

Answer 18

An algorithm is a sequence of instructions (operations ) that can be executed (carried out ) to perform a particular task and then end.

Question 19

What are the 2 main algorithmic operations ?

Answer 19

• Sequential operations

* control operations

Question 20

What is a variable

Answer 20

An identifier that points to a value that can change

Question 21

What is a value?

Answer 21

A number string or character

Question 22

What is syntax ?

Answer 22

RULES of the language that must be followed to make the program work

Question 23

What are the 2 types of CONDITIONED LOOPS?

Answer 23

WHILE loop
and
REPEAT loop

Question 24

What is REPEAT loop?

Answer 24

Loop that is executed at least once and then check the condition had been met

Question 25

What is WHILE loop

Answer 25

Loop that tests the condition first before executing the loop

Question 26

What happens when we declare a variable?

Answer 26

We allocate memory space into RAM

Question 27

What is the variable in the program referred to by?

Answer 27

It's IDENTIFIER

Question 28

Can variable IDENTIFIERS have spaces?

Answer 28

NO

Question 29

What is the joining of two or more strings called?

Answer 29

CONCATENATION

Question 30

What is len() uses for?

Answer 30

To find the LENGTH of the STRING (including spaces )

Question 31

What method can be used to replace one set of characters with another in Python ?

Answer 31

.replace()

Question 32

What does debugging mean ?

Answer 32

Identifying and removing errors

Question 33

When does a LOGICAL ERROR occur?

Answer 33

When the programmer writes a code which will run in a way that they DID NOT want to

Question 34

Why should we test the program?

Answer 34

Ensure that bugs are fixed

Question 35

What is the '=' sign in programming?

Answer 35

An ASSIGNMENT OPERATOR

Question 36

What is opcode?

Answer 36

Specifies instructions that can be executed by a CPU in machine code

Question 37

What is machine code?

Answer 37

Low level code represented in binary numbers

Question 38

What is assembly language ?

Answer 38

A family of low level programming languages

Question 39

What is the process of checking he whole program is correct and then converting it into low level code called?

Answer 39

Compiling

Question 40

What are IDEs?

Answer 40

Integrated Development Environment is an application used to create software

Question 41

What is the environment where the use can write code called?

Answer 41

SHELL

Question 42

What is checking the program line by line called?

Answer 42

INTERPRETING

Question 43

What is a string?

Answer 43

Sequence of characters

Question 44

What is Boolean data?

Answer 44

Data that have two values TRUE or FALSE

Question 45

What are control operations?

Answer 45

Instructions that do not have to be carried out in order

Question 46

What are conditional operations ?

Answer 46

Structure that checks if a condition is TRUE or FALSE

Question 47

What are ITERATIVE OPERATIONS ?

Answer 47

Structure that repeats set of instructions until condition is met

Question 48

What is WHILE loops?

Answer 48

Iterative operation where condition is tested and repeated until condition becomes FALSE

Question 49

What are SELECTIONS ?

Answer 49

Decisions or questions

Question 50

What is compression software

Answer 50

Software that reduces the size of files so less disc space is taken

Question 51

What is encryption software?

Answer 51

Software that scrambles (encrypts) data to stop third parties from accessing it. Encrypted data can be decrypted using a 'key'