Computer Number System Questions and Answers for Bank Exams

Computer Number System Questions with Answers

Q.31. The input hexadecimal representation of 1110 is _______________

(A) 0111

(B) E

(C) 15

(D) 14

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Q.32. Which of the following is not a binary number?

(A) 1111

(B) 101

(C) 11E

(D) 000

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Q.33. Convert the binary number 11001 to decimal.  The answer is         

(A) 25

(B) 13

(C) 3

(D) 4

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Q.34. Convert the binary number 11011 to hexadecimal               

(A) 1A

(B) B1

(C) 1B

(D) 2B

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Q.35. Convert the hexadecimal number 2C to decimal

(A) 3A

(B) 34

(C) 44

(D) 55

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Q.36. Cumulative addition of four bits ( 1 + 1 + 1 + 1 ) gives

(A) 1111

(B) 111

(C) 100

(D) 1001

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Q.37. Difference between binary coding and binary coded decimal is

(A) binary coding has a decimal format

(B) BCD has no decimal format

(C) binary coding is pure binary

(D) BCD is pure binary

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Q.38. Convert binary 01001110 to decimal.

(A) 4E

(B) 78

(C) 76

(D) 116

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Q.39. The octal numbering system:

(A) simplifies tasks

(B) groups binary numbers in groups of 4

(C) saves time

(D) simplifies tasks and saves time

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Q.40. Convert the following octal number to binary.

768

(A) 1101112

(B) 1111102

(C) 1111002

(D) 1001112

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