Computer MCQs (page 16 of 48)
Computer basics, hardware, software, networking, the internet, file formats, shortcuts and the people behind modern computing.
954 questions. Select an option to check your answer, or open "Show answer". Showing 301–320.
- 301.
What is the binary equivalent of decimal 18?
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Answer: B. 10010
18 = 16 + 2, so in binary it is 10010.
- 302.
What is the binary equivalent of decimal 19?
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Answer: B. 10011
19 = 16 + 2 + 1, so in binary it is 10011.
- 303.
What is the binary equivalent of decimal 20?
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Answer: D. 10100
20 = 16 + 4, so in binary it is 10100.
- 304.
What is the binary equivalent of decimal 21?
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Answer: C. 10101
21 = 16 + 4 + 1, so in binary it is 10101.
- 305.
What is the binary equivalent of decimal 23?
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Answer: B. 10111
23 = 16 + 4 + 2 + 1, so in binary it is 10111.
- 306.
What is the binary equivalent of decimal 25?
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Answer: C. 11001
25 = 16 + 8 + 1, so in binary it is 11001.
- 307.
What is the binary equivalent of decimal 26?
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Answer: D. 11010
26 = 16 + 8 + 2, so in binary it is 11010.
- 308.
What is the binary equivalent of decimal 27?
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Answer: B. 11011
27 = 16 + 8 + 2 + 1, so in binary it is 11011.
- 309.
What is the binary equivalent of decimal 28?
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Answer: B. 11100
28 = 16 + 8 + 4, so in binary it is 11100.
- 310.
What is the binary equivalent of decimal 31?
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Answer: C. 11111
31 = 16 + 8 + 4 + 2 + 1, so in binary it is 11111.
- 311.
What is the binary equivalent of decimal 32?
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Answer: B. 100000
32 = 32, so in binary it is 100000.
- 312.
What is the binary equivalent of decimal 33?
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Answer: D. 100001
33 = 32 + 1, so in binary it is 100001.
- 313.
What is the binary equivalent of decimal 41?
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Answer: A. 101001
41 = 32 + 8 + 1, so in binary it is 101001.
- 314.
What is the binary equivalent of decimal 42?
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Answer: C. 101010
42 = 32 + 8 + 2, so in binary it is 101010.
- 315.
What is the binary equivalent of decimal 43?
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Answer: D. 101011
43 = 32 + 8 + 2 + 1, so in binary it is 101011.
- 316.
What is the binary equivalent of decimal 44?
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Answer: B. 101100
44 = 32 + 8 + 4, so in binary it is 101100.
- 317.
What is the binary equivalent of decimal 46?
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Answer: C. 101110
46 = 32 + 8 + 4 + 2, so in binary it is 101110.
- 318.
What is the binary equivalent of decimal 47?
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Answer: C. 101111
47 = 32 + 8 + 4 + 2 + 1, so in binary it is 101111.
- 319.
What is the binary equivalent of decimal 49?
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Answer: B. 110001
49 = 32 + 16 + 1, so in binary it is 110001.
- 320.
What is the binary equivalent of decimal 50?
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Answer: C. 110010
50 = 32 + 16 + 2, so in binary it is 110010.