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University of Barishal

Department of Computer Science and Engineering

Final Exam

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

Semester: 1st | Session: 22-23

Time: 180 minutes | Marks: 60.00

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Answer any five Questions from the followings. Parts of the same question should be answered consecutively.

1.

a)

Define Computer. Why Computer is called a Data processor? Differentiate between Data and information.

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4 Marks
b)

What is GIGO? "Computer have no IQ", describe the terminology.

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4 Marks
c)

What is a microprocessor? Draw a block diagram of a microcomputer.

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4 Marks
2.

a)

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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4 Marks
b)

What do you understand by CPU cycle? What are the main operations accomplished using the CPU cycle?

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4 Marks
c)

Define Cache Memory? How does it help computer to enhance its performance? Explain with necessary diagram.

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4 Marks
3.

a)

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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6 Marks
b)

Draw the block diagram of a computer system and explain its main components.

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6 Marks
4.

a)

What is the difference between volatile and non-volatile memory? Is RAM a volatile or non-volatile memory?

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4 Marks
b)

What are solid-state devices? State the advantages and disadvantages of solid-state devices.

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4 Marks
c)

Explain briefly the basic function of an MICR device.

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4 Marks
5.

a)

Perform the following conversions:

i. (727.33)10 = (?)8

ii. (1A2F.5E) 16 = (?)2

iii. (375)8 = (?)4

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6 Marks
b)

Perform the binary subtraction of the following using 2's complement method.

(-64)10 - (128) 10 = (?)2

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2 Marks
c)

Explain the meaning of the term memory dump. What happens when a computer divides a number by zero?

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2 Marks
d)

Explain the principal of duality in Boolean algebra.

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2 Marks
6.

a)

State the De Morgan's Theorem. Prove that NAND and NOR gates are universal gate.

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4 Marks
b)

A logic circuit has three inputs A, B and C. It generates an output 1 only when A=0, B=1, C=0 or A=1, B=1, C=0. Design a combinational circuit for this system.

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4 Marks
c)

Define Software Engineering. Describe the major steps of software development life cycle.

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4 Marks
7.

a)

Write the difference between system software and application software.

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2 Marks
b)

Define algorithm. Write an algorithm and draw a flowchart to find the maximum number among three numbers such as a, b, c.

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4 Marks
c)

What are the advantages and limitations of Assembly language over Machine Language?

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3 Marks
d)

Define systems. Why do you refer to a computer as a computer system?

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3 Marks
8.

a)

What is meant by HTTP and HTML? Explain with examples.

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2 Marks
b)

What are the basic examples of a communication system? Briefly describe the Data transfer modes.

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4 Marks
c)

What are the advantages and limitations of Optical fiber communication media?

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4 Marks
d)

Define Computer Network. Classify Computer Network.

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2 Marks

Good Luck!!!

View 116 Topic-wise Questions for this Course

Contributors of this Question:

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Uploaded By: Onebyzero Edu (Test User) Aug. 11, 2024, 9:15 a.m.
Converted By (Img/PDF to Text): Baishakhi Bir Dec. 20, 2025, 12:52 a.m.
Reviewed By: Obaydul Hasan Nayeem Dec. 20, 2025, 8:13 p.m.
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