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University of Barishal

Department of Computer Science and Engineering

Class Test 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: December 4, 2024

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1.

1)

What is BCD system and why is it called BCD?

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2 Marks
2)

Convert the hexadecimal number AC21.44 into its equivalent in the decimal system.

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3)

Convert the octal number 6352 into its equivalent hexadecimal number

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4)

Subtract 8 from -6 using the one's complement method.

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5)

Perform the binary multiplication of 11 and 9 using signed- magnitude system.

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6)

What do you understand by floating-point representation? Which notation is best suited for representing real numbers?

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7)

117.648 = ( )10?

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8)

Divide 4410 by 510 using the method of addition.

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9)

What is canonical SOP form of the boolean function, A'B'C + AC' + AB?

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10)

Given below is a Venn diagram for three variables A,B,C. Indicate the regions depicted by the following expressions (AB' +C).

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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 Dec. 4, 2024
Uploaded By: easinarafat-sani Dec. 6, 2024, 8:41 p.m.
Converted By (Img/PDF to Text): Baishakhi Bir Dec. 25, 2025, 11:32 p.m.
Reviewed By: Obaydul Hasan Nayeem Dec. 26, 2025, 12:15 a.m.
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