DIGITAL COMPUTER ELECTRONICS QUIZ

Conversion of decimal number 9910 to it's octal number equivalent is

1198

None of these

1248

1438

1218

TRUE ANSWER : ?
YOUR ANSWER : ?

In boolean algebra, the times sign stands for the _____ operation

AND

NOR

NAND

OR

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Arithmetic operation are coded in

Terminal symbols

Input/Outpur(I/0)

Processing symbols

None of these

Decision symbols

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following flip-flops is free from race around problem?

All of these

None of these

master slave JK flip-flop

SR flip-flop

T flip-flop

TRUE ANSWER : ?
YOUR ANSWER : ?

The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.

LSI

MOS

MSI

MOSFET

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not true?

1 x 0 = 0

0 x 1 = 1

1 x 1 = 1

0X0 = 0

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The clock signals are used in sequential logic circuits

to tell how much time has elapsed since the system was turned on

to carry serial data signals

None of these

to synchronize events in various parts of a system

to tell the time of the day

TRUE ANSWER : ?
YOUR ANSWER : ?

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

-30

15

None of these

-15

30

TRUE ANSWER : ?
YOUR ANSWER : ?

A flip-flop is a _____ element that stores a binary digit as a low or high voltage.

I/O

memory

None of these

bus

chip

TRUE ANSWER : ?
YOUR ANSWER : ?

_____ is the fastest logic family; it's used in high-speed applications.

MOS

None of these

DTL

TTL

ECL

TRUE ANSWER : ?
YOUR ANSWER : ?

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