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University of Barishal

Department of Computer Science and Engineering

Final Exam

Course Title: Peripherals and Interfacing (CSE-3207)

Semester: 6th | Session: 18-19

Time: 180 minutes | Marks: 60.00

Course Teacher: Dr. Tania Islam

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Answer any five Questions from the followings.

1.

a)

What is Interface? Briefly explain different types of Interface

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Topics: Peripheral Interfacing Solution is Coming!
5 Marks
b)

What do you mean by Computer peripheral? List down the input and output Peripherals.

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Topics: Peripheral Basic Solution is Coming!
2 Marks
c)

Differentiate between off-line and on-line peripherals

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2 Marks
d)

Write short note on Universal Serial Bus

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3 Marks
2.

a)

What is the Aspect ratio and Viewable area?

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2 Marks
b) Why LCD is called liquid crystal? Draw and define the cutaway rendering of a color CRT

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6 Marks
c)

Describe the working procedure of a CRT monitor and provide a simplified diagram illustrating the key components and electron beam's path within the monitor?

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4 Marks
3.

a)

What do you mean by the accuracy of an optical mouse? Describe the factors that affect the quality of an optical mouse.

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5 Marks
b)

Write short notes on:
i. Polling rate
ii. Refresh rate
 

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4 Marks
c)

Can a mouse's sensitivity (DPI) be adjusted, and why might someone want to change it?

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3 Marks
4.

a)

If the 3rd bit of port C has to be "RESET", then what is the control word of 82C55?

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Topics: Bit Set/Reset (BSR) Mode of 82C55 Solution is Coming!
4 Marks
b)

What is bar code? Describe the principle of barcode reading.

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Topics: Barcode Reading Principle Solution is Coming!
4 Marks
c)

Discuss the role of input/output derivers for UNIX/LINUX operating system.

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4 Marks
5.

a)

Explain various storage interfaces.

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3 Marks
b)

What is sound card? Describe the major components of a sound card.

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4 Marks
c)

Describe the functions of the signals BUSY, PAPER, #ERROR, #INI and #STR of the parallel printer.

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5 Marks
6.

a)

Define digital camera scanner. Write down the advantages and disadvantages of digital camera scanner over other scanner.

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Topics: Peripheral Basic Solution is Coming!
4 Marks
b)

Write down the advantages & disadvantages of Drum scanner over flatbed scanner.

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4 Marks
c)

Define check digit. Using the following code determines the check digit. "93000283936"

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4 Marks
7.

a)

Define printer. What are the basic technologies of Printer?

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4 Marks
b)

Briefly explain the inkjet printer printing process.
 

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Topics: Peripheral Devices Solution is Coming!
4 Marks
c)

Why Laser printer is so popular over other printers?

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4 Marks
8.

a)

Write short notes on the Hall effect keyboard.

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Topics: Hall Effect Keyboard , Keyboard Devices Solution is Coming!
4 Marks
b)

Write down the difference between laser keyboard and dome switch keyboard

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4 Marks
c)

What is hall effect keyboard? Write down the working principle of these keyboard.

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4 Marks
View 106 Topic-wise Questions for this Course

Contributors of this Question:

Role Name Date
Prepared By (Teacher): Dr. Tania Islam N/A
Uploaded By: Onebyzero Edu (Test User) July 30, 2024, 8:55 p.m.
Converted By (Img/PDF to Text): Baishakhi Bir Nov. 30, 2025, 11:50 a.m.
Reviewed By: Obaydul Hasan Nayeem Nov. 30, 2025, 12:19 p.m.
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