Computer Function and Interconnection

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of the Memory Address Register (MAR)?

To interpret instructions and generate control signals
To execute instructions stored in memory
To specify the address in memory for the next read or write (correct)
To store data temporarily

What is the role of the Instruction Interpreter Module?

To interpret each instruction and generate control signals (correct)
To execute instructions stored in memory
To store instructions and data temporarily
To provide a new sequence of codes for each new program

What is the main concept of the von Neumann architecture?

Execution occurs in a parallel fashion from one instruction to the next
Data and instructions are stored in separate read-write memories
Data and instructions are stored in a single read-write memory (correct)
Execution occurs in a random fashion from one instruction to the next

What is the role of the I/O Buffer Register (I/OBR)?

Used for the exchange of data between an I/O module and the CPU (B) Signup and view all the answers

What is the basic function of a computer?

To execute instructions stored in memory (C) Signup and view all the answers

What is the purpose of the Main Memory?

To store instructions and data temporarily (C) Signup and view all the answers

How is the address of the next instruction determined?

By adding a fixed number to the address of the previous instruction (B) Signup and view all the answers

What is the purpose of the operand address calculation (oac) stage?

To determine the address of the operand (D) Signup and view all the answers

What is the primary purpose of interrupts in computer architecture?

To allow other modules to interrupt the normal processing of the processor (C) Signup and view all the answers

What is the role of the instruction fetch (if) stage?

To read the instruction from its memory location into the processor (B) Signup and view all the answers

How is memory organized in the described architecture?

Into 16-bit words (A) Signup and view all the answers

What is the primary purpose of the instruction operation decoding (iod) stage?

To analyze the instruction to determine the type of operation to be performed (B) Signup and view all the answers

What happens when an interrupt occurs during the processing of another interrupt?

The new interrupt request signal is stored and checked later. (D) Signup and view all the answers

What is the purpose of an I/O module in a computer system?

To exchange data directly with the processor. (A) Signup and view all the answers

What is the primary function of a bus in a computer system?

To provide a pathway for moving data among system modules. (D) Signup and view all the answers

What determines the maximum possible memory capacity of a system?

The width of the address bus. (D) Signup and view all the answers

What is the primary function of the control bus in a computer system?

To control the access and use of the data and address lines. (B) Signup and view all the answers

What is the primary benefit of direct memory access (DMA)?

Reduced processor responsibility. (B) Signup and view all the answers

What is the key characteristic of a bus?

It is a shared transmission medium. (C) Signup and view all the answers

What is the function of the address bus in a computer system?

To designate the source or destination of data. (A) Signup and view all the answers

What is the primary function of the data bus in a computer system?

To provide a pathway for moving data among system modules. (D) Signup and view all the answers

What happens when two devices transmit simultaneously on a bus?

The signals overlap and become garbled. (B) Signup and view all the answers

Flashcards

Memory Address Register (MAR) function

Specifies the memory address for read/write operations.

Instruction Interpreter Module role

Interprets instructions and creates control signals.