DIGITAL COMPUTER ELECTRONICS QUIZ

Conversion of an octal number 1108 to its decimal number is

7310

7010

11010

None of these

7210

TRUE ANSWER : ?
YOUR ANSWER : ?

A combinational logic circuit which generates particular binary word or number is

encoder

None of these

multiplexer

decoder

demultiplexer

TRUE ANSWER : ?
YOUR ANSWER : ?

ASCII and EBCDIC differ in

their efficiency in storing data

the random and sequential access method

None of these

the number of bytes used to store characters

their collecting sequences

TRUE ANSWER : ?
YOUR ANSWER : ?

The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.

hexadecimal

None of these

binary

decimal

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the decimal equivalent of 210?

1000

None of these

16

4096

1024

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following TTL subfamily is the fastest

schottky TTL

high-speed TTL

low-speed TTL

standard TTL

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of an octal number 1438 to its decimal number is

9010

9910

97110

10710

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

In which of the following adder circuits, the carry look ripple delay is eliminated?

None of these

Full adder

Half adder

Carry-look-ahead adder

Parallel adder

TRUE ANSWER : ?
YOUR ANSWER : ?

Small-scale integration, abbreviated _ refers to fewer than 12 gates on the same chip. Medium-scale integration (MSI) means 12 to 100 gates per chip. And large-scale integration (LSI) refers to more than _ gates per chip.

None of these

SSI, 1000

SSI, 100

SSI, 10000

SSI, 75

TRUE ANSWER : ?
YOUR ANSWER : ?

Convert the 1000 0000 0000 1111 signed binary number to decimal number.

30

15

-30

None of these

-15

TRUE ANSWER : ?
YOUR ANSWER : ?

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