Welcome to ECE Board Exam Practice Quiz for Computer Fundamentals. This set of practice quiz 1 will test your competence on the theories, concepts and problem solving involving computer fundamentals. The objectives and goals of this quiz is to help engineering students familiarize concepts and theories as well as develop problem solving skills when answering questions related to the computer fundamentals.

Computer Fundamentals Test Bank

In this section are compiled practice quiz for Computer Fundamentals that could be able to enhance your knowledge and skills in your preparation for the ECE Board Exam. The goal is to add thousands of questions for you to be familiarized and hopefully help you to be prepared. I am looking forward that this practice quiz will give you an additional confidence in taking your upcoming Engineering Board Exam.

Guidelines:

Read and understand each question before choosing the best answer.

The correct answer will be reveal after you have chosen your answer for every questions

There is no time limit, answer the questions at your own pace.

Once all questions are answered, you will be shown your rating.

You have to get 70% of the total items to pass the quiz.

You can re-take the quiz as many times as you want or until you are satisfied of your rating.

Comment us your thoughts, scores, ratings, and questions about the quiz in the comments section below!

Choose the letter of the best answer in each questions.

A digital circuit is also referred to as a/an _________ circuit.

arithmetic

logic

electrical

sequential

Correct!

Wrong!

Use the expression for x = D + [(A+B)C]’ · E to determine the output of the circuit for the conditions A = B = E = 1, C = D = 0.

0

1

2

10

Correct!

Wrong!

If each digit of a decimal number is represented by its binary equivalent, the result is a code called

Morse code

Binary system

Binary-coded decimal

Straight binary coding

Correct!

Wrong!

What happens when the input to a digital IC is left unconnected for TTL ICs?

It acts like logic 1

It becomes overheated

It acts just like logic 0

It eventually destroys itself.

Correct!

Wrong!

What graphical device is used to convert a truth table to its corresponding logic circuit in a simple and orderly process?

Karnaugh map

State table

Truth table

State diagram

Correct!

Wrong!

In Boolean algebra, G + GF =

GF

G

F

1

Correct!

Wrong!

Given: x = A’BC (A+D)’. Determine the output of the circuit x if A = 0, B = 1, C = 1 and D = 0.

0

1

2

10

Correct!

Wrong!

One of the standard levels of complexity of integrated circuits which contains 100,000 and more number of gates.

SSI

MSI

VLSI

ULSI

Correct!

Wrong!

A __________ takes the complete decimal number and represents it in binary.

BCD

Gray code

Excess-3 code

Straight binary code

Correct!

Wrong!

What is the decimal equivalent of (1101011)_{2}?

107

108

96

100

Correct!

Wrong!

How many different ways can we implement the inversion operation in a logic circuit?

One

Two

Three

Four

Correct!

Wrong!

An acceptable voltage range of a logic 0 for TTL.

2 to 5 V

0 to 0.8 V

0 to 1.5 V

3.5 to 5 V

Correct!

Wrong!

An acceptable voltage range of a logic 0 for CMOS operating at VDD = 5 V.

2 to 5 V

0 to 0.8 V

0 to 1.5 V

3.5 to 5 V

Correct!

Wrong!

How many bits are required to represent an eight digit decimal number in BCD?

256

4

255

32

Correct!

Wrong!

The most widely used 7-bit alphanumeric code is the

ASCII

EBCDIC

Straight binary code

Gray code

Correct!

Wrong!

What is the smallest type of computer in terms of their physical size?

Minicomputer

Mainframe

Maxicomputer

Microcomputer

Correct!

Wrong!

BCD code has always _________ bits per number.

2

4

8

16

Correct!

Wrong!

What is the only input combination that will produce a high at the output of a five-input AND gate?

At least one low input

At least one high input

All inputs should be low

All inputs should be high

Correct!

Wrong!

The __________ operation result will be 1 if any one or more variables is a 1.

NOT

AND

OR

NOR

Correct!

Wrong!

A circuit with no memory characteristic and whose output depends only on the current value of its inputs.

SLC

Boolean circuits

CLC

Multiplexers

Correct!

Wrong!

Convert 1000 1001 0111 (BCD) to its decimal equivalent.

798

457

897

101

Correct!

Wrong!

What is the largest decimal value that can be represented using 12 bits?

144

2048

4095

4096

Correct!

Wrong!

The decimal system is composed of __________ numerals or symbols.

2

10

8

16

Correct!

Wrong!

What type of gate is equivalent to a NAND gate followed by an inverter?

OR

AND

XOR

NOR

Correct!

Wrong!

Which of the following involves digital quantities?