# Fundamentals Of Digital Electronics

15 Questions  Settings  Digital Electronics quizes

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• 1.
A Register is a group of ---------
• A.

OR gates

• B.

OR & AND gate

• C.

Flip-flops

• D.

None of these

• 2.
Each Flip-flop stores ---------- bits
• A.

1 bit

• B.

8 bit

• C.

16 bit

• D.

2 bit

• 3.
A NOR gate is ON only when all its inputs are
• A.

ON

• B.

Positive

• C.

High

• D.

OFF

• 4.
The First Microprocessor was__________
• A.

Intel 4004

• B.

8080

• C.

8085

• D.

4008

• 5.
8088 was introduced in __________
• A.

1971

• B.

1979

• C.

1972

• D.

1978

• 6.
Which is a 8 bit Microprocessor __________
• A.

Intel 4040

• B.

Pentium – I

• C.

8088

• D.

Intel 8080

• 7.
Pentium-I, Pentium-II, Pentium-III and Pentium-IV are recently introduced microprocessor by__________
• A.

Motorola

• B.

Intel

• C.

Stephen Mors

• D.

None of these

• 8.
Status register is also called as ___________
• A.

Accumulator

• B.

Stack

• C.

Counter

• D.

Flags

• 9.
The 8085 is based in a _____ pin DIP
• A.

40

• B.

45

• C.

35

• D.

20

• 10.
The number system that we use in our day to day life is called the Number System__________
• A.

Octal

• B.

Binary

• C.

• D.

Decimal

• 11.
The three logical operations, which are said to be logically Complete, as any Boolean function may be realized using these Three operations are:
• A.

AND, OR and NOT

• B.

AND, OR and XOR

• C.

AND, OR and NAND

• D.

XOR, NOR and NAND

• 12.
Pictorial representation of Boolean algebra is known as
• A.

Venn Diagram

• B.

Flow Chart

• C.

Data Flow Diagram

• D.

Truth Table

• 13.
• A.

• 14.
……….Are used for converting one type of number system in to          other form
• A.

Encoder

• B.

Logic gate

• C.

• D.

FA

• 15.
In a 2nd complement a number which is subtracted from other      number is known as………..
• A.

Carry

• B.

Subtrahend

• C.

Minuend

• D.

None of these