Digital Computer Electronics – Section 2

46. Conversion of an octal number 110₈ to its decimal number is

A. 70₁₀
B. 72₁₀
C. 73₁₀
D. 110₁₀
E. None of the above

47. Computer ICs work reliably because they are based on _____ design.

A. Top-bottom
B. System
C. Two-stage
D. Two-states
E. None of the above

48. The maximum count which a 6-bit binary word can represent is

A. 36
B. 64
C. 63
D. 65
E. None of the above

49. A half-adder is also known as:

A. AND circuit
B. NAND circuit
C. NOR circuit
D. EX-OR circuit
E. None of the above

50. Why are digital circuits easier to design than analog circuits?

A. they do not control electricity precisely over a wide range
B. they are made in the form of ICs
C. all elements of digital circuit are from the same family
D. they are smaller in size
E. None of the above