MCA CET Mock Test No. 2 - Computer Concept I IMSCD&R IT Department I

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All Questions are Compulsory Marks : 50 Time:30 Min

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1. Which of the following functions is not performed by the CPU?

2 points

a) Graphical Display of Data

b) Arithmetic Calculations

c) Managing Memory

d) Managing Input and Output

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2. A register that keeps track of the next instruction to be executed is called a _____.

2 points

a)Data Register

b) Instruction Register

c) Action Register

d) Program Counter

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3. When you save to this, your data will remain intact even when the computer is turned off.

2 points

a) RAM

b) Motherboard

c) Secondary Storage Device

d) Primary Storage Device

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4. The most frequently used instructions of a computer program are likely to be fetched from?

2 points

a) The hard disk

b) Cache memory

c) RAM

d) Registers

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5. Which of the following groups consists of only output devices?

2 points

a) Scanner, Printer, Monitor

b) Keyboard, Printer, Monitor

c) Mouse, Printer, Monitor

d) Plotter, Printer, Monitor

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6. According to boolean law: A + 1 = ?

2 points

a) 1

b) A

c) 0

d) A’

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7.Boolean algebra can be used ______

2 points

a) For designing of the digital computers

b) In building logic symbols

c) Circuit theory

d) Building algebraic functions

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8. How many values can be represented by single byte?

2 points

b) 16

d) 64

e) 256

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9. Which of the following is/are the universal logic gates?

2 points

a) OR and NOR

b) AND

c) NAND and NOR

d) NOT

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10. What is used to represent the signed magnitude?

2 points

a) MSB

b) LSB

c) Both

d) None of these

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11. The number of bits in a nibble is?

2 points

a) 16

b) 5

c) 4

d) 8

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12. Which of the following binary numbers is equivalent to decimal 10

2 points

a) 1000

b) 1100

c) 1010

d) 1001

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13. A ASCII-7 coding system contains

2 points

a) 7-bit code

b) maximum 128 different characters

c) printable and non printable characters

d) All of these

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14. In Fixed Point representation of numbers a radix point is placed at

2 points

a) the extreme left of the register

b) the extreme right of the register

c) either a or b

d) None of the above

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15. A double word is equivalent to

2 points

a) 8 bits

b) 16 bits

c) 32 bits

d) 64 bits

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16. The number FF in Hexadecimal system is equivalent to ------ in decimal system

2 points

a) 256

b) 255

c) 240

d) 239

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17. A megabyte represents

2 points

a) 1 million bytes

b) 1000 kilobytes

c) 220 bytes

d)1024 bytes

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18. Binary number 11001101 is equal to decimal number

2 points

a) 205

b) 228

c) 128

d) 289

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19. The smallest size memory in the computer system is _____

2 points

a) RAM

b) ROM

c) Cache

d) Register

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20. What kind of storage Hard Disk is?

2 points

a) Non-permanent

b) Volatile

c) Temporary

d) Non-volatile

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21. What is MP3?

2 points

a) A Mouse

b) A Printer

c) A Sound Format

d) A Scanner

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22. Network components are connected to the same cable in the _____ topology.

2 points

a) Star

b) Ring

c) Bus

d) Mesh

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23.A mistake in an algorithm that causes incorrect results is called a ____.

2 points

a) Logical error

b) Syntax error

c) Procedural error

d) Compiler error

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24.URL stands for____

2 points

a) Universal Research List

b) Universal Resource List

c) Uniform Resource Locator

d) Uniform Research Locator

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25. Verification of a login name and password is known as ______.

2 points

a) Configuration

b) Accessibility

c) Logging In

d) Authentication

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Thank You!!!

IMSCD&R IT DepartMent- Dr. Anjali Vaidya

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