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

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

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

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

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

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

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