Computer Science Degree Electronics Questions - Set 08 - ObjectiveBooks
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Computer Science Degree Electronics Questions - Set 08

Practice Test: Question Set - 08


1. A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a ________
    (A) Address
    (B) Memory location
    (C) Registers
    (D) Chip

2. Which TTL sub-family has maximum speed?
    (A) Standard TTL
    (B) Schottky-clamped TTL
    (C) High speed TTL
    (D) Low power TTL

3. The logic 1 in positive logic system is represented by:
    (A) Zero voltage
    (B) Lower voltage level
    (C) Higher voltage level
    (D) Negative voltage

4. A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _______ to get a low output
    (A) Low
    (B) High
    (C) Some low some high
    (D) 0's

5. A flip-flop can store:
    (A) 1 bits of data
    (B) 2 bits of data
    (C) 3 bits of data
    (D) 4 bits of data

6. What is the decimal equivalent of 210?
    (A) 4096
    (B) 1024
    (C) 1000
    (D) 16

7. What is the hexadecimal equivalent of a binary number 10101111
    (A) AF
    (B) 9E
    (C) 8C
    (D) None of the above

8. A half-adder is also known as:
    (A) AND circuit
    (B) NAND circuit
    (C) NOR circuit
    (D) EX-OR circuit

9. The number of two-input NAND gates required to produce the two-input OR function is
    (A) 4
    (B) 3
    (C) 2
    (D) 1

10. Conversion of binary number 1100012 to its decimal number is
    (A) 2710
    (B) 4910
    (C) 3910
    (D) 50105010

11. The digits used in a binary number system are _______ and _______
    (A) 9 and 0
    (B) 0 and 1
    (C) 1 and 2
    (D) 3 and 4

12. What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitry in less area)
    (A) Smaller size
    (B) Higher reliability
    (C) Lower cost
    (D) All of the above

13. Conversion of an octal number 738 to binary number is
    (A) 1101112
    (B) 1111002
    (C) 1100102
    (D) 1110112

14. In Boolean algebra, the times sign stands for the _______ operation
    (A) AND
    (B) OR
    (C) NAND
    (D) NOR

15. Conversion of binary number 1100002 to hexadecimal is
    (A) 3016
    (B) 4016
    (C) 4316
    (D) 2716

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