Computer and Information Technology part -3

21. One kilobyte is equal to: [U.P.P.C.S. (R.L.) 2014, Uttarakhand P.C.S. (Pre) 2005, Uttarakhand P.C.S. (Mains) 2002]

(a) 1000 bytes
(b) 1000 bite
(c) 1024 bytes
(d) 1000 words

Correct Answer: (c) 1024 bytes

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

22. 1 kilobyte is equal to : [U.P. Lower Sub. (Mains) 2015]

(a) 1000 bytes
(b) 1008 bytes
(c) 1111 bytes
(d) 1024 bytes

Correct Answer: (d) 1024 bytes

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

23. In Binary system, one kilobyte (1 KB) is equal to: [U.P. P.C.S. (Mains) 2017]

(a) 1024 Byte
(b) 1024 Megabyte
(c) 1024 Gigabyte
(d) None of the above

Correct Answer: (a) 1024 Byte

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

24. Choose the smallest memory size unit- [M.P.P.C.S. (Pre) 2015]

(a) KB
(b) MB
(c) GB
(d) TB

Correct Answer: (a) KB

Solution:

In the terms of computer, 0 and 1 is known as binary digits. In short, it is also known as bits. The composition of 8 bits is known as bytes.

Unit	Equivalent Value
1 Byte	8 bits
1 Kilobyte	1024 Bytes
1 Megabyte	1024 Kilobytes
1 Gigabyte	1024 Megabytes
1 Terabyte	1024 Gigabytes

25. Arrange the following units of measure for digital information into correct order, starting with the smallest unit first and going to the largest unit: [Rajasthan P.C.S. (Pre) 2023]

A. Kilobyte
B. Byte
C. Megabyte
D. Terabyte
E. Gigabyte
F. Bit

(a) B, F, A, D, C, E
(b) F, B, A, C, E, D
(c) F, B, A, D, E, C
(d) B, F, A, C, D, E

Correct Answer: (b) F, B, A, C, E, D

Solution:

In the terms of computer, 0 and 1 is known as binary digits. In short, it is also known as bits. The composition of 8 bits is known as bytes.

Unit	Equivalent Value
1 Byte	8 bits
1 Kilobyte	1024 Bytes
1 Megabyte	1024 Kilobytes
1 Gigabyte	1024 Megabytes
1 Terabyte	1024 Gigabytes

26. Which of the following relation is not correct? [U.P.R.O/A.R.O. (Pre) 2021]

(a) 1 Byte = 8 Bits
(b)1 Megabyte = 1024 Kilobytes
(c) 1 Gigabyte = 1024 Kilobytes
(d) 1 Terabyte = 1024 Gigabytes

Correct Answer: (c) 1 Gigabyte = 1024 Kilobytes

Solution:

In the terms of computer, 0 and 1 is known as binary digits. In short, it is also known as bits. The composition of 8 bits is known as bytes.

Unit	Equivalent Value
1 Byte	8 bits
1 Kilobyte	1024 Bytes
1 Megabyte	1024 Kilobytes
1 Gigabyte	1024 Megabytes
1 Terabyte	1024 Gigabytes

27. 1 MB memory is – [Uttarakhand U.D.A/L.D.A (mains) 2006]

(a) 1024 Kilobytes
(b) 2¹⁰ Byte
(c) 1024 Bytes
(d) 1000 Kilobytes

Correct Answer: (a) 1024 Kilobytes

Solution:

28. In computer language how many bytes are there in one megabyte? [M.P.P.C.S. (Pre) 2008]

(a) 1,00,000
(b) 10,00,000
(c) 1,00,000
(d) 10,48,576

Correct Answer: (d) 10,48,576

Solution:1 megabyte = 1024 kilobyte
= 1024 × 1024 byte
= 10,48,576 byte (approx. 1.05 million bytes)

29. A million bytes is approximately – [M.P.P.C.S. (Pre) 2008]

(a) Gigabyte
(b) Kilobyte
(c) Megabyte
(d) Terabyte

Correct Answer: (c) Megabyte

Solution:1 megabyte = 1024 kilobyte
= 1024 × 1024 byte
= 10,48,576 byte (approx. 1.05 million bytes)

30. The term MB is used for – [Uttarakhand P.C.S. (Pre) 2006]

(a) Magnetic Bits
(b) Mega Bytes
(c) Mega Bits
(d) None of the above

Correct Answer: (b) Mega Bytes

Solution:

The group of 8 bits is called one byte and at least two bits are combined together to form a binary word. MB is used as an abbreviation for Megabyte.

Unit	Equivalent Value
1 Bit	0 or 1
1 Byte	8 Bits
1 Kilobyte	1024 Bytes
1 Megabyte	1024 Kilobytes

Computer and Information Technology part -3

21. One kilobyte is equal to: [U.P.P.C.S. (R.L.) 2014, Uttarakhand P.C.S. (Pre) 2005, Uttarakhand P.C.S. (Mains) 2002]

22. 1 kilobyte is equal to : [U.P. Lower Sub. (Mains) 2015]

23. In Binary system, one kilobyte (1 KB) is equal to: [U.P. P.C.S. (Mains) 2017]

24. Choose the smallest memory size unit- [M.P.P.C.S. (Pre) 2015]

25. Arrange the following units of measure for digital information into correct order, starting with the smallest unit first and going to the largest unit: [Rajasthan P.C.S. (Pre) 2023]

26. Which of the following relation is not correct? [U.P.R.O/A.R.O. (Pre) 2021]

27. 1 MB memory is – [Uttarakhand U.D.A/L.D.A (mains) 2006]

28. In computer language how many bytes are there in one megabyte? [M.P.P.C.S. (Pre) 2008]

29. A million bytes is approximately – [M.P.P.C.S. (Pre) 2008]

30. The term MB is used for – [Uttarakhand P.C.S. (Pre) 2006]

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