Digital Computer Electronics – Section 2

41. Conversion of binary number 10100002 to an octal number is

A. 1198
B. 1018
C. 1118
D. 1208
E. None of the above

Correct Answer:  D. 1208

42. Conversion of an octal number 478 to its binary number is

A. 1100112
B. 1001112
C. 1100112
D. 11110112
E. None of the above

Correct Answer:  B. 1001112

43. A _____ is a group of devices that store digital data.

A. circuits
B. register
C. variations
D. bit
E. None of the above

Correct Answer:  B. register

44. Conversion of an octal number 31378 to it’s decimal equivalent is

A. 163110
B. 163210
C. 153110
D. 193110
E. None of the above

Correct Answer:  A. 163110

45. Semiconductor memory is:

A. somewhat slower than magnetic core memory
B. a volatile memory
C. somewhat larger than the magnetic core memory
D. All of the above
E. None of the above

Correct Answer:  B. a volatile memory

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