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Computer and Information Technology part -3

📆 October 22, 2024

Total Questions: 50

11. The binary addition 1 + 1 will result in – [Uttarakhand Lower Sub. (Pre) 2011]

Correct Answer: (b) 0 with carry 1
Solution:

The binary addition of 1+1 is 0 and carry 1. Similarly the Binary addition of 0+0 results 0.

12. The memory of a computer is commonly expressed in terms of kilobytes or megabytes. A byte is made up of – [I.A.S. (Pre) 2002]

Correct Answer: (a) Eight binary digits
Solution:The computer memory is expressed in kilobytes or megabytes or gigabytes. 1 byte equals to 8 binary digits (bits).
1 kilobyte = 1024 byte
1 megabyte = 1024 kilobyte
1 gigabyte = 1024 megabyte
1 terabyte = 1024 gigabyte

13. A collection of 8 bit is called: [Uttarakhand P.C.S. (Mains) 2002]

Correct Answer: (b) Byte
Solution:The computer memory is expressed in kilobytes or megabytes or gigabytes. 1 byte equals to 8 binary digits (bits).
1 kilobyte = 1024 byte
1 megabyte = 1024 kilobyte
1 gigabyte = 1024 megabyte
1 terabyte = 1024 gigabyte

14. One byte equals to how many bits? [U.P.P.C.S. (Mains) 2006]

Correct Answer: (a) 8
Solution:1 byte equals to 8 binary digits (bits).
1 kilobyte = 1024 byte
1 megabyte = 1024 kilobyte
1 gigabyte = 1024 megabyte
1 terabyte = 1024 gigabyte

15. One byte has – [M.P.P.C.S. (Pre) 2014]

Correct Answer: (a) 8-bits
Solution:1 byte equals to 8 binary digits (bits).
1 kilobyte = 1024 byte
1 megabyte = 1024 kilobyte
1 gigabyte = 1024 megabyte
1 terabyte = 1024 gigabyte

16. How many bits are there in one byte? [M.P.P.C.S. (Pre) 2015]

Correct Answer: (b) 8
Solution:1 byte equals to 8 binary digits (bits).
1 kilobyte = 1024 byte
1 megabyte = 1024 kilobyte
1 gigabyte = 1024 megabyte
1 terabyte = 1024 gigabyte

17. How many bits are there in a kilobyte? [Jharkhand P.C.S. (Pre) 2016]

Correct Answer: (d) 8192
Solution:A byte contains 8 bit and 1 kilobyte (kb) contains 1024 bytes. Like this –
1 Kilobyte = 1024 × 8 Bits = 8192 Bits.

18. The term bit is the short form of – [U.P. Lower Sub. (Mains) 2013]

Correct Answer: (c) Binary Digit
Solution:

A bit (short for binary digit) is the smallest unit of data in a computer. A bit has a single binary value, either 0 or 1.

19. The length of a word in computers is measured by – [U.P. U.D.A./L.D.A. (Mains) 2010]

Correct Answer: (a) Bits
Solution:The length of a word in computers is measured in bits.
8 Bits = 1 Byte
1024 Byte = 1 Kilobyte
1024 kilobyte = 1 Megabyte

20. 1024 kilobytes are equal to: [M.P. P.C.S. (Pre) 2016]

Correct Answer: (a) 1 megabyte
Solution:The length of a word in computers is measured in bits.
8 Bits = 1 Byte
1024 Byte = 1 Kilobyte
1024 kilobyte = 1 Megabyte.
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