DIGITAL ELECTRONICS QUIZ

Digital computers are more widely used as compared to analog computers, because they are

Useful over wider ranges of problem types

Easier to maintain

Always more accurate and faster

Less expensive

TRUE ANSWER : ?
YOUR ANSWER : ?

The data bus width of a ROM of size 2048 × 8 bits is

16

12

10

8

TRUE ANSWER : ?
YOUR ANSWER : ?

9’s complement of 52784630 is

58326479

47215369

48225469

57316379

TRUE ANSWER : ?
YOUR ANSWER : ?

The NAND gate can function as a NOT gate if

one input is set to 1

one input is set to 0

inputs are left open

all inputs are connected together

TRUE ANSWER : ?
YOUR ANSWER : ?

Counter is a

both.

sequential circuit.

none.

combinational circuit.

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the minimum number of NOR gates required realizing an X-OR gating?

5

6

3

4

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following memories uses one transistor and one capacitor as basic memory unit

SRAM

None

DRAM

Both SRAM and DRAM

TRUE ANSWER : ?
YOUR ANSWER : ?

(11011) 2 in BCD 8421 code is

11011001

00011011

00100111

01101100

TRUE ANSWER : ?
YOUR ANSWER : ?

When an input signal 1 is applied to a NOT gate, the output is ___________.

1

None of these

Either 0 & 1

TRUE ANSWER : ?
YOUR ANSWER : ?

How many numbers are used in the decimal number system?

0 to 10

None of these

1 to 10

0 to 9

TRUE ANSWER : ?
YOUR ANSWER : ?

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