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Computer Hardware Components

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Questions and Answers

Which of the following best describes the purpose of a counter in a computer system?

To calculate the address of the next instruction (correct)
To perform arithmetic operations
To store data temporarily
To interact with input devices

How many bits do the AR and PC registers have in the basic computer system described?

8 bits each
4 bits each
12 bits each (correct)
16 bits each

Which register receives a character from an input device and transfers it to AC in the basic computer system?

INPR (correct)
PC
AR
OUTR

What happens when the contents of AR or PC are applied to the 16-bit common bus?

Only the 12 most significant bits are transferred (C) Signup and view all the answers

What is the purpose of the input register INPR in the basic computer system configuration?

To receive characters from an input device (B) Signup and view all the answers

How many control inputs do five registers in the basic computer system have?

Three (A) Signup and view all the answers

What is NOT transferred from OUTR to any other registers in the basic computer system?

Data from AC (A) Signup and view all the answers

Why are only the 12 least significant bits transferred into AR or PC when receiving information from the bus?

To match the bus width (C) Signup and view all the answers

Which register in the described computer system is responsible for delivering characters to an output device?

OUTR (C) Signup and view all the answers

What is the role of two registers, AR and PC, with respect to memory addresses in this computer system?

Hold memory addresses (D) Signup and view all the answers