3.7.3.3 The Processor Instruction Set. Flashcards
1
Q
What is the processor’s instruction set?
A
A set of instructions, individual to the processor, that it can carry out. The individuality means that one processors instruction set may not be compatible to anothers.
2
Q
What language are instructions stored in?
A
Machine code.
3
Q
What are the two primary parts of machine code?
A
Opcode.
Operand.
4
Q
Define an opcode.
A
The type of operation that is to be carried out e.g. subtraction or store.
5
Q
Define an operand.
A
The pieces of data on which the operation is performed.
6
Q
What is one bit in a machine code instruction usually assigned to?
A
Assigned to the addressing mode in use.
