DIGITAL COMPUTER ELECTRONICS QUIZ

With positive clocking the clock signal must be _____ for the flip-flop to respond.

high

set

low

race

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A positive AND gate is also a negative

AND gate

OR gate

None of these

NAND gate

NOR gate

TRUE ANSWER : ?
YOUR ANSWER : ?

Arithmetic operation are coded in

Terminal symbols

Processing symbols

None of these

Input/Outpur(I/0)

Decision symbols

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

to tell the time of the day

to synchronize events in various parts of a system

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not functionally a complete set?

NAND

None of these

AND, OR, NOT

AND, OR

NOR

TRUE ANSWER : ?
YOUR ANSWER : ?

The logic 1 in positive logic system is represented by:

zero voltage

negative voltage

lower voltage level

None of these

higher voltage level

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of binary number 1011012 to hexadecimal is

2D16

20000000000000000

2716

None of these

3716

TRUE ANSWER : ?
YOUR ANSWER : ?

How many bytes are there in 1011 1001 0110 1110 numbers?

8

2

None of these

4

1

TRUE ANSWER : ?
YOUR ANSWER : ?

The _____ is a sequence of instructions that tells the computer how to process the data.

data

None of these

program

instruction

controls

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of an octal number 1108 to its decimal number is

7010

7210

7310

11010

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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