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- 1. Multiple Choice
According to the von Neumann model, _______ are stored in memory.
only data
only programs
data & programs
neither data nor programs
- 2. Multiple Choice
Which of these are REGISTERS in the CPU? (Tick ALL that are correct)
Accumulator
ALU
Program Counter
Memory Address Register
Control Bus Register
- 3. Multiple Choice
Tick all options that happen in the FETCH CYCLE?
PC is incremented
The Instruction at the MAR address is read from RAM
The PC value is copied to the MAR
The instruction in the MAR is decoded
The value in the MDR is written to the address in the MAR.
- 4. Multiple Choice
Tick all options that happen in the DECODE CYCLE?
PC is incremented
The Instruction at the MAR address is read from RAM
The PC value is copied to the MAR
The instruction in the MAR is decoded by the CU
The value in the MDR is written to the address in the MAR.
- 5. Multiple Choice
Tick all options that happen in the EXECUTE CYCLE?
PC is incremented
The data at the MAR address is read from RAM
The ALU performs any calculations required on the ACC
The instruction in the MAR is decoded by the CU
The value in the MDR is written to the address in the MAR.
- 6. Multiple ChoiceWhat does MAR stand for?Main Address RegisterMemory Address RegisterMassive Address RegisterMinimal Age Readable
- 7. Multiple Choice
The idea developed in 1945 by Von Neumann of a computer holding both programs and the data used by the programs in memory is called the..?Stored Program ConceptMemory Program SystemStored Memory ConceptStored Memory Program - 8. Multiple ChoiceThe small high speed storage areas within the memory and processor are known as..?RegistersAddressesCacheBuses
- 9. Multiple ChoiceWhich of the following is not a register?CUMARMDRPC
- 10. Multiple Choice
The Program Counter
Stores the address of the next instruction in memory
Stores the address of where the next item will be fetched from
Stores data fetched from memory, or waiting to be stored in memory
Stores the result of arithmetic calculations
- 11. Multiple Choice
Memory Address Register (MAR)
Stores the address of the next instruction in memory
Stores the address of where the next item will be fetched from
Stores data fetched from memory, or waiting to be stored in memory
Stores the result of arithmetic calculations
- 12. Multiple Choice
Memory Data Register (MDR)
Stores the address of the next instruction in memory
Stores the address of where the next item will be fetched from
Stores data fetched from memory, or waiting to be stored in memory
Stores the result of arithmetic calculations
- 13. Multiple Choice
Accumulator
Stores the address of the next instruction in memory
Stores the address of where the next item will be fetched from
Stores data fetched from memory, or waiting to be stored in memory
Stores the result of arithmetic calculations
- 14. Multiple Choice
The Control Unit
Controls the flow of data around the CPU and also decodes instructions
Only controls the flow of data around the CPU
Only decodes instructions
Controls how much power is directed to all components within the computer
- 15. Multiple Choice
The Arithmetic Logic Unit (ALU)
Carries out numerical calculations and logical decisions
Calculates the different items of number data stored within the Accumulator and converts them into logical decisions
Calculates graphic data as they are only found within GPU units.
Calculates the flow of execution in a program and decodes instructions into small steps to be carried out by the program counter.
- 16. Multiple ChoiceWhat is the purpose of Cache?Performs Arithmetic and Logical operationsDecodes and directs instructions to be carried outStores frequently used data and instructionsProcesses graphical functions
- 17. Multiple ChoiceHow does a CPU process instructions?Using the Fetch Decode Execute cycleLinearly using parallel processingUsing machine codeThrough the Control Bus
- Answer choicesTagsAnswer choicesTags