51. | What is the 9’s complement of (0.3267)10? |
a. | 47.479 |
b. | 0.6352 |
c. | 0.6732 |
d. | 1.4563 |
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Answer: (c).0.6732
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52. | How can you represent = in 8-bit EBCDIC representation? |
a. | 01111111 |
b. | 01111110 |
c. | 01011100 |
d. | 01101011 |
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Answer: (b).01111110
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53. | Boolean algebra is named after________________, who used it to study human logical reasoning. |
a. | Anderson, Mary |
b. | Acharya Kanad |
c. | Dickson, Earle |
d. | George Boole |
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Answer: (d).George Boole
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54. | BCD code is |
a. | non-weighted |
b. | the same thing as binary numbers |
c. | a binary code |
d. | an alphanumeric code |
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Answer: (c).a binary code
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55. | Resultant binary of the decimal problem 49 + 1 is |
a. | 00110010 |
b. | 110011 |
c. | 1010101 |
d. | 111100 |
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Answer: (a).00110010
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56. | The number of bits used to store a BCD digit is |
a. | 2 |
b. | 4 |
c. | 6 |
d. | 8 |
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Answer: (b).4
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57. | In Excess-3 code each coded number is |
a. | four larger than in BCD code |
b. | three smaller than in BCD code |
c. | three larger than in BCD code |
d. | much larger than in BCD code |
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Answer: (c).three larger than in BCD code
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58. | Binary equivalent of A16 is |
a. | 1010 |
b. | 1011 |
c. | 1000 |
d. | 1110 |
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Answer: (a).1010
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59. | All of the following are 4-bit combinations of BCD code except |
a. | 1010 |
b. | 1100 |
c. | 1000 |
d. | 1001 |
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Answer: (a).1010
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60. | Data keys need not be a direct hardware address in |
a. | hard disk |
b. | memory |
c. | RAM |
d. | ROM |
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Answer: (b).memory
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