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Computer Basics

Description: Computer Fundamentals Quiz
Number of Questions: 15
Created by:
Tags: Computer Fundamentals Computer Knowledge Computer Science & Information Technology - CS
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Which of the following does not belong to the generation of computers?

  1. Vacuum tube

  2. Transistor

  3. An Integrated Circuit

  4. Microprocessor

  5. Memory card


Correct Option: E
Explanation:

It does not belong to the generation of computers, intead it is a secondary storage device.

Which of the following functions is used to modify the size of previously allocated space?

  1. free()

  2. malloc()

  3. calloc()

  4. realloc()

  5. None of the above


Correct Option: D
Explanation:

It modifies the size of previously allocated space.

Which of the following is a derived data type?

  1. Structure

  2. String

  3. Long

  4. Class

  5. Byte


Correct Option: B
Explanation:

It is a derived data type.

Represent 1710 in binary number system.

  1. (10001)2

  2. (01110)2

  3. (01111)2

  4. (1111)2

  5. (01110)10


Correct Option: C
Explanation:

This is the correct answer.
 1's complement of (10001)2 is 01110
 2's complement of (01110)2 is 01110 + 1 = 01111

Which of the following does not belong to the classification of plotters?

  1. Drum plotter

  2. Round plotter

  3. Flat-bed plotter

  4. Inkjet plotter

  5. Electrostatic plotter


Correct Option: B
Explanation:

This answer is correct because it does not belong to the classification of plotters.

What is the word length of a 32-bit microprocessor?

  1. 32 bytes

  2. 1 byte

  3. 4 bytes

  4. 2 bytes

  5. 8 bytes


Correct Option: C
Explanation:

This is the correct answer. Since 1 byte = 8 bits, so 4 bytes = 4 x 8, which is 32 bits.

ALU is a part of ___________.

  1. primary memory

  2. control unit

  3. central processing unit

  4. secondary memory

  5. output device


Correct Option: C
Explanation:

ALU is the part of CPU. ALU performs arithmetical or logical operations on the processed data.

What is the ASCII value of z?

  1. 122

  2. 90

  3. 105

  4. 115

  5. 95


Correct Option: A
Explanation:

It is the ASCII value of z.

Which of the following operator expressions has only 0 or 1 value?

  1. Arithmetic operator

  2. Relational operator

  3. Increment/decrement operator

  4. Assignment operator

  5. Bitwise operator


Correct Option: B
Explanation:

It always returns 0 or 1according to the condition.

Which of the following is incorrect about UNIX operating system?

  1. Multitasking capability

  2. Only single-user capability

  3. Portability

  4. Flexibility

  5. Strong security


Correct Option: B
Explanation:

No, it is multi-user capability, which allows more than one user to access different resources of the computer at the same time.

Which of the following is not a layer of Unix operating system?

  1. Kernal

  2. Service

  3. Shell

  4. User application

  5. Application software


Correct Option: E
Explanation:

It does not belong to the layer of Unix operating system. An application software is not necessary to run our computer. It is used for extra features like image editing etc.

Which of the following statements is correct about Windows 2000?

  1. It does not support NTFS.

  2. Failure of a single application brings the system down.

  3. It supports the low speed networking devices.

  4. It is restricted for personalizing the menu.

  5. It includes high level interfaces for database access and active dictionary services.


Correct Option: E
Explanation:

Yes, it includes high-level interfaces for database access and active dictionary services.

Which of the following functions is not directly related to a file?

  1. getw()

  2. getc()

  3. rewind()

  4. free()

  5. putw()


Correct Option: D
Explanation:

It is used to free previously allocated space.

Convert (2AB)16 into decimal form.

  1. (638)10

  2. (638)8

  3. (39)10

  4. (2978)10

  5. (638)2


Correct Option: A
Explanation:

 (2AB)10=(B*160)+(A*161)+(2*162)
           =(11*160)+(10*161)+(2*162)
           =(11*1)+(10*16)+(2*256)
           =11+160+512=683
           =(683)10

Which of the following is used to store the information and programs, until the computer is used?

  1. Monitor

  2. RAM

  3. Motherboard

  4. Printer

  5. Scanner


Correct Option: B
Explanation:

RAM is also called the primary memory of a computer that is used to store information and programs until the computer is used.

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