AQA AS Computing: 7.3 Basic machine code operations and the fetch-execute cycle

Question 1

Machine Code Instruction

Answer 1

A binary code that a machine can understand and execute

Question 2

Compiled high-level language program

Answer 2

A program translated into machine code before it is executed on a digital computer

Question 3

Op-Code

Answer 3

The part of a machine code instruction that denotes the basic machine operation, e.g. ADD

Question 4

Operand

Answer 4

The part of a machine code instruction that represents a single item of binary data or the address of a single item of binary data

Question 5

Instruction Set

Answer 5

The set of bit patterns or binary codes for the machine operations that a processor has been designed to perform.