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- 1. Multiple Choice
Why does a computer use registers?
(select all that apply)
It is quicker to access the registers than the main memory
CPU performance is improved
Registers are the main memory
The registers are slower than the RAM
- 2. Multiple Choice
The Program Counter (PC) stores the memory address of next instruction.
The Current Instruction Register holds_________
The current instruction being executed
The most recently fetched instruction
The address of next instruction
The memory address of the current instruction
- 3. Multiple Choice
The _______ stores any data or instructions fetched from or to be copied to memory.
MAR
MDR
PC
CIR
- 4. Multiple Choice
Which register stores the memory address location to fetch from or copy instructions or data to?
PC
MAR
Accumulator
CIR
MDR
- 5. Multiple Choice
Which register stores the results calculated by the ALU?
Current Instruction Register
Memory Data Register
Accumulator
Program Counter
Memory Address Register
- 6. Multiple Choice
The Program Counter (PC)...
(select all that apply)
Usually increments by two
Keeps track of the memory address of the next
instruction
Stores the data or instructions for the next instruction
Passes the memory address of the next
instruction to the MAR
Is located in the accumulator
- 7. Poll
How confident to you feel about your knowledge on CPU registers?
CPU Register GEEK!
Meh! Will read more later...
What is a CPU?
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