Digital Computer Electronics – Section 2

26. Resistor Ratio design is used in linear ICs because

A. Ratios increase input resistance
B. Ratios increase amplifier gain
C. Precise resistor values are not possible with IC processes
D. All of the above
E. None of the above

27. What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

A. Smaller size
B. Higher reliability
C. Lower cost
D. All of the above
E. None of the above

28. Conversion of an octal number 136₈ to hexadecimal number is

A. 7E₁₆
B. 5E₁₆
C. 5A₁₆
D. 5D₁₆
E.None of the above

29. The control and arithmetic-logic sections are called the _____

A. Block diagram
B. Control Unit
C. Input / Output Unit
D. Central Processing Unit
E. None of the above

30. How many full adders are required to construct an m- bit parallel adder?

A. m/2
B. m-1
C. m
D. m+1
E. None of the above