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University of Barishal

Department of Computer Science and Engineering

2nd Mid Exam

Course Title: Introduction to Computer Systems (CSE-1101)

Semester: 1st | Session: 23-24

Time: 60 minutes | Marks: 20.00

Course Teacher: Md Mahbub E Noor

Exam Date: March 3, 2025

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(Answer all of the following questions)

1.

1)

What do you understand by computer architecture? Is it same as computer organization? If no, explain the difference between the two.

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2 Marks
2)

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

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2 Marks
3)

What is the difference between memory read and memory write operations? List the different steps involved in memory read and memory write operations.

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2 Marks
4)

Explain the concept of processor to I/O devices communication. What is the role of interface unit in implementing such type of communication in a computer system?

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2 Marks
5)

Simplify the following expressions.

 

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2 Marks
6)

How can two half adder circuits be combined to design a full adder circuit?

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2 Marks
7)

Explain the working of a 4-bit adder circuit.

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2 Marks
8)

Give Boolean expressions and truth tables for the following logic circuits:

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2 Marks
9)

What is a register? How do registers play an important role in the computer system?

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2 Marks
t)

Simplify the following Boolean expression using K-map and draw its logic diagram:

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2 Marks
View 116 Topic-wise Questions for this Course

Contributors of this Question:

Role Name Date
Prepared By (Teacher): Md Mahbub E Noor March 3, 2025
Uploaded By: Muhammad Sani March 3, 2025, 11:11 a.m.
Converted By (Img/PDF to Text): Baishakhi Bir Dec. 20, 2025, 11:44 p.m.
Reviewed By: Obaydul Hasan Nayeem Dec. 21, 2025, 11:17 a.m.
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