Quiz
F451 Registers
Questions in this quiz (5)
1What is the arithmetic logic unit (ALU)?
- ATo hold data that is in current us.
- BCarries out arithmetic and logical operations, as well as acting as a gateway to the processor.
- CTo hold instruction in current execution.
2The control unit manages data in current use?
- ATrue
- BFalse
3Which of these are stored in the memory unit?
- AOperating system
- BData in current use
- CCurrently used software
- DAddress of next instruction to be executed
4Which of these are the contents of the current instruction register?
- ACurrently executed instruction
- BData copied to an address
- COperation code as part of first of instruction
- DCopied contents of MDR if it is an instruction
- EResults from ALU
- FOperating system
- GBoot file
- HRemainder of instruction as address of data to be used in operation
- IThe data to be used if immediate operand is used.
5What does the accumulator or program counter store?
- AData in current processing; results of processing including arithmetic results from ALU, and all inputs and outputs.
- BOS; currently in use data and software.
Information
- Description
- A level Computing Quiz on F451 Registers, created by Joseph Stevens on 01/04/2015.
- Author
- Joseph Stevens
- Language
- English
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