Microprocessor Instruction Set and Buses

Explore the concept of microprocessor instruction set and different types of buses in a microprocessor. Learn about the interface between hardware and software, and the function of data bus, address bus, and control bus. Dive into the measurement of CPU performance with IPC (Instructions Per Cycle).

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Questions and Answers

Which type of bus is responsible for transmitting data, address, or control information to various elements in a microprocessor?

Control bus

What does IPC (Instructions Per Cycle) measure in a CPU?

Number of instructions executed in a single clock cycle

What is the purpose of the instruction set in a microprocessor?

Interface between hardware and software

How is clock speed expressed for a processor?

Clock rate Signup and view all the answers

What does bandwidth refer to in the context of a microprocessor?

Number of bits processed in a single instruction Signup and view all the answers

Which sequence does a microprocessor follow to execute an instruction?

Fetch, Decode, Execute Signup and view all the answers

What does word length indicate in a processor?

Number of bits the processor can process at a time Signup and view all the answers

What type of data formats are supported by a microprocessor?

Signed and Unsigned numbers Signup and view all the answers

What characterizes the functions of the data bus in a microprocessor?

Transferring data between components Signup and view all the answers

What is the maximum number of bytes that can be addressed by the microprocessor in this sample system?

256 bytes Signup and view all the answers

When the RD line changes state in the microprocessor, what action does the ROM chip take?

Places a byte on the data bus Signup and view all the answers

What happens to the information stored in RAM when the power goes off?

It is lost Signup and view all the answers

What is the specific function of the address bus in a microprocessor?

Selects the type of memory to access Signup and view all the answers

Why is RAM necessary in a computer system despite its volatility?

To provide quick read/write access Signup and view all the answers

Which component in a microprocessor is responsible for holding a permanent collection of pre-set bytes?

ROM chip Signup and view all the answers

What does BIOS stand for in a PC context?

Basic Input/Output System Signup and view all the answers

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