level: SPC + Instruction Set (NEED)
Questions and Answers List
level questions: SPC + Instruction Set (NEED)
| Question | Answer |
|---|---|
| What's an addressing mode do in an instruction set? | Specifies what type the data is |
| Define an instruction set | The group of instructions that the processor can carry out |
| What are the 3 addressing forms of data? | Actual value Address in memory Register |
| What is held in the operand if the addressing mode is direct? | Memory adress |
| In an instruction set what is the first set of numbers called? | Opcode |
| What is held in the operand if the addressing mode is immediate | The actual value |
| In an instruction set what is the last half of the numbers called? | Operand |
| explain the term opcode | refers to the instructional part of the line of bits |
| explain the term operand | refers to the memory part of the line of bits |
| Describe the stored program concept | Machine code instructions stored in main memory are fetched and executed serially by a processor that performs arithmetic and logical operations. Intructions are stored alongside memory |