A/L - 2023 (EM)

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A/L - 2023 (EM)

ICT COLLEGE

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1. Binary equivalent of 36₁₀ is.

2 points

111001₂

100100₂

110101₂

110111₂

110100₂

Clear selection

2. Which of the following major technology was used in third generation computers?

2 points

Vacuum tube

Transistor

Microprocessor

Integrated circuit

VLSI

Clear selection

3. “Analytical engine was developed by ………………………….”.Which of the following is most appropriate to fill the blank in?

2 points

John von Neumann

Ada Lovelace

Blaise Pascal

Maurice Wilkes

Charles Babbage

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4. In computer system, CMOS stands for.

2 points

Computer Metal Oxide Semi-conductor

Complementary Metal Oxide Semi-conductor

Complementary Metal Oxide System

Complementary Media Oxide Semi-conductor

Computer Media Oxide System

Clear selection

5. The component that the instructions fetched into the central processing unit are decoded is called.

2 points

Program Counter (PC)

Arithmetic Logic Unit

Control Unit

Main memory

Clear selection

6. F2B₁₆ =

2 points

5053₈

7435₈

7345₈

7453₈

3547₈

Clear selection

2 points

(1)

(2)

(3)

(4)

(5)

Clear selection

8. Which of the following is not a component of central processing unit?

2 points

Arithmetic Logic Unit (ALU)

Program Counter

Control Unit (CU)

L1 cache memory

Main memory

Clear selection

9. “Units of capacity and speed of Random access memory (RAM) modules are frequently compared respectively by …………………….. and ………………………..”. Appropriate to fill the blanks in are respectively.

2 points

Kilobytes, Gigabytes

Gigabytes, megabits per second

Gigabytes, megahertz

Megahertz, Kilohertz

Gigabits, megabits per second

Clear selection

10. “……………………. holds the address of the next instruction to be executed in the program”. Which of the following is most suitable to fill the blank in?

2 points

Arithmetic Logic Unit (ALU)

Program Counter

Control Unit (CU)

L1 cache memory

Main memory

Clear selection

11. Consider the following statements.

2 points

A only

B only

C only

A, B only

A, C only

Clear selection

12. Which of the following is /are equivalent of BD₁₆ ?

2 points

A only

B only

A, B only

A, C only

A, B, C all

Clear selection

13. When computer is booting, the process of checking components of computer by itself is called.

2 points

CMOS

POST

BIOS

TEST

VERIFY

Clear selection

14. Which of the following is true related to read only memory (ROM)?

2 points

Application software writes data on ROM

When computer is stopped, the contents in ROM will not be erased

When webpages are downloaded, they are stored in ROM

When computer is stopped, the contents in ROM will be erased

All the inputs to the computer given by users are stored in ROM

Clear selection

15. Which of the following is the installation option that the user prefers only the selected components when installing software?

2 points

Typical

Portable

Selection

Full

Custom

Clear selection

16. Which of the following is correct about L1 cache memory?

2 points

It always resides on CPU

It resides on register

It resides between register and RAM

It has slower data access rather than RAM

It always resides on RAM

Clear selection

17. CMOS battery on computer motherboard is.

2 points

To provide power to computer needed

To provide power to motherboard needed

To provide power to computer power supply unit needed

To stored settings of basic input output system (BIOS) program

To provide power to hard disk needed

Clear selection

18. Two’s complement of 15₁₀.

2 points

00010011₂

11101100₂

10111010₂

11011011₂

00001111₂

Clear selection

19. Consider the following software.

2 points

A only

C only

A, C only

A, B only

A, B, C all

Clear selection

20. Which of the following is considered as the fastest data access of data bus in computer?

2 points

PCI bus

VGA bus

CPU bus

Input bus

Output bus

Clear selection

21. Time for study of students in a school is limited from 7.30 am to 1.30 pm weekdays. Which of the following is the most appropriate data validation check for this purpose?

2 points

Presence check

Range check

Length check

Format check

Type check

Clear selection

22. Consider the following statements.

2 points

A only

B only

C only

A, B only

A, B, C all

Clear selection

23. Which of the following is incorrect statement about computer data storage?

2 points

Secondary storage is a kind of non-volatile memory

Secondary storage is not directly accessible by central processing unit (CPU)

Main memory is directly accessible by central processing unit

Random access memory (RAM) uses sequential data access method

Main memory is considered as a secondary storage device

Clear selection

24. Consider the following statements.

2 points

A only

B only

C only

A, C only

A, B, C all

Clear selection

25. Consider the following statements.

2 points

A only

B only

C only

A, C only

B, C only

Clear selection

26. MSD and LSD values of 0.0180 are.

2 points

0, 0

0, 1

1, 0

0, 8

1, 8

Clear selection

27. Which of the following(s) is /are used to classify computer memories?

2 points

A only

B, C only

A, D only

A, B, C only

A, B, C, D all

Clear selection

28. Which of the following is a valid BCD (Binary Coded Decimal) code?

2 points

1111₂

1100₂

1011₂

1001₂

1101₂

Clear selection

29. What is the Boolean result equivalent to the output X of the following logic circuit?

2 points

(1)

(2)

(3)

(4)

(5)

Clear selection

30. FB₁₆ + 47₈ =

2 points

327₈

442₈

723₈

237₈

273₈

Clear selection

31. 25.75₁₀ =

2 points

10101.10₂

11000.01₂

100000.10₂

11001.11₂

100000.01₂

Clear selection

32. Which of the following data storage device that uses laser technology for reading and writing data?

2 points

Hard disk

Floppy disk

Compact disc

Magnetic tape

Solid-sate drive (SSD)

Clear selection

33. Consider the following Boolean expression.

2 points

A only

B only

C only

A, C only

B, C only

Clear selection

2 points

x = 1, y = 1, z = 0

x = 1, y = 0, z = 1

x = 1, y = 1, z = 1

x = 0, y = 1, z = 1

x = 0, y = 1, z = 0

Clear selection

35. What is the simplified Boolean expression represented by the following Karnaugh map?

2 points

(1)

(2)

(3)

(4)

(5)

Clear selection

36. Register is a.

2 points

Software and has the fastest data access

Software and has the slowest data access

Hardware and has the fastest data access

Hardware and has the slowest data access

Memory with slowest data access

Clear selection

37. Which of the following is not considered as the characteristics of big data?

2 points

Volume

Variety

Visibility

Variability

Veracity

Clear selection

38. Consider the following logic circuit.

2 points

(1)

(2)

(3)

(4)

(5)

Clear selection

39. Which of the following Boolean expression is represented by the following Karnaugh map?

2 points

(1)

(2)

(3)

(4)

(5)

Clear selection

40. Consider the following logic circuit.

2 points

(1)

(2)

(3)

(4)

(5)

Clear selection

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