Problem 5. A given computer has a 32-bit data bus. What is the largest number th

Question

Problem 5. A given computer has a 32-bit data bus. What is the largest number that can be carried into the CPU at a time? Problem 6. Regarding the data bus and address bus, which is unidirectional and which is bidirectional? Problem 7. Which register of the CPU holds the address of the instruction to be fetched? Problem 8. Which section of the CPU is responsible for performing addition? Problem 9. List the three bus types present in every CPU. Problem 10. What is the job of the Data bus in the CPU?

Explanation / Answer

1) What is the largest number that can be carried into the CPU at a time?

32-bit data bus, Therefore range will be from - 2 31 to + 2 31 So the largest number would be  + 2 31

2)Regarding the data bus and address bus, which is unidirectional and which is bidirectional?

Address bus is Unidirectional because the microprocessor is addressing a specific memory location.

Data bus is Bidirectional because the Microprocessor can read data from memory or write data to the memory.

3)Which register of the CPU holds the address of the instruction to be fetched?

PC (Program Counter) is the register which holds next address of the instruction to be fetched.

4) Which section of the CPU is responsible for performing addition?

CPU has LU (Logical unit) and AU(Arithematic unit). AU is responsible for Addition.

5)List the three bus types present in every CPU.

Address Bus- the components pass memory addresses to one another over the address bus.

Control Bus- used to send out signals to coordinate and manage the activities of the motherboard components.

Data Bus - transferred between peripherals, memory and the CPU.

6) What is the job of the Data bus in the CPU?

Data Bus - transferred between peripherals, memory and the CPU.

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