Programming

Question 1

What is a variable?

Answer 1

A location in memory that contains data that can be changed.

Question 2

What is a constant?

Answer 2

A location in memory that contains data that cannot be changed.

Question 3

What is casting?

Answer 3

Transferring one data type to another

Question 4

What is an integer?

Answer 4

A whole number of

Question 5

What is a reel/ float?

Answer 5

A decimal number

Question 6

What is a char?

Answer 6

One alphanumeric in speech marks

Question 7

What is a string?

Answer 7

Alphanumerical characters in speech marks

Question 8

What is a Boolean?

Answer 8

True or False answer options

Question 9

What is a sequence?

Answer 9

A program that I ran in order from top to bottom

Question 10

What is selection?

Answer 10

Changing which code is ran based on a condition

Question 11

What is iteration?

Answer 11

Repeats a code based on a condition or a set number if times

Question 12

What is a modulus?

Answer 12

How many is left over or remaining

Question 13

What does ^ mean?

Answer 13

To the power of

Question 14

What does DIV mean

Answer 14

How many is used up

Question 15

What is abstraction?

Answer 15

Removing unnecessary details to make a problem easier to solve

Question 16

What is decomposition?

Answer 16

Breaking a complex down into smaller manageable parts

Question 17

What is algorithmic thinking?

Answer 17

The way of getting to a solution by identifying the individual steps needs to take

Question 18

What is an input?

Answer 18

Any information provided to the computer by the user

Question 19

What is a process?

Answer 19

Calculation that is performed whilst the programming is running

Question 20

What is an output?

Answer 20

The computer providing information to the user

Question 21

What is a structure diagram?

Answer 21

Helps to decompose a problem by creating steps needed to solve it

Question 22

What is a node in a structure diagram?

Answer 22

The lowest level a structure diagram has- one single task

Question 23

What does CPU stand for?

Answer 23

Central Processing Unit

Question 24

What does a CPU do?

Answer 24

Carries out the instructions of a conputer

Question 25

What happens in the fetch stage of the CPU cycle?

Answer 25

The computer gets the next instruction from the memory and brings it back to the CPU

Question 26

What happens in the decode stage of the CPU cycle?

Answer 26

CPU inspects the instruction and works out what needs to be done

Question 27

What happens in the execute stage of the CPU cycle?

Answer 27

The instruction is carried out

Question 28

What does the ALU stand for?

Answer 28

Arithmetic logic unit

Question 29

What does the ALU do?

Answer 29

Carries out arithmetic calculations and makes logical decisions

Question 30

What does the control unit do?

Answer 30

Provided timing and control signals that determined how data moves around the CPU

Question 31

What is Cache?

Answer 31

Provides fast access to frequently used instructions and data

Question 32

What is a program counter?

Answer 32

Stores the address of the next instruction to be executed in the memory

Question 33

What is the MAR?

Answer 33

Stores address of where data is to be fetched or stored

Question 34

What is the MDR?

Answer 34

Stores the data fetched from memory or being written into the memory

Question 35

What is the accumulator?

Answer 35

Holds results of the calculations performed by the ALU