BCA Semester 2 – Microprocessor and Comp. Architecture () Questions & Answers | Past TU Exam Papers

Question 1

Define CPU. Differentiate between Microprocessor and Microcontroller with example.

Marks: 5

Year: 2020 Final TU FOHSS

1. Definition of CPU (Central Processing Unit) The CPU is the main component of a computer that performs all processing tasks. It executes instructions, performs arithmetic and logical operations,

Question 2

Explain how does control unit determines the type of instruction after it is read from memory.

Marks: 5

Year: 2022 Final TU FOHSS

1. Introduction The Control Unit (CU) is responsible for directing the operation of the processor. After an instruction is fetched from memory, the CU must determine the type of instruction to gener

Question 3

Define Control Word. Explain in detail about the structure of control unit and its basic requirement.

Marks: 10

Year: 2022 Final TU FOHSS

1. Definition of Control Word Control Word: - A binary word generated by the Control Unit (CU) to control the operation of various functional units of the CPU. - Each bit in the control word repre

Question 4

What is the requirement of common bus System? Explain with figure.

Marks: 5

Year: 2023 Final TU FOHSS

1. Requirement of Common Bus System A common bus system is used in CPU to transfer data between registers, memory, and ALU using a single communication path (bus). Requirements: 1. Single Data Path

Question 5

Explain the basic working principle of the Control Unit with timing diagram.

Marks: 5

Year: 2023 Final TU FOHSS

1. Control Unit (CU) Working Principle Definition: The Control Unit manages the operation of the CPU by generating control signals to coordinate data flow between registers, ALU, memory, and I/O dev