Computer Fundamentals Practice Quiz 04

Computer Fundamentals Practice Quiz 04

Welcome to ECE Board Exam Practice Quiz for Computer Fundamentals. This set of practice quiz 4 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.

Class of programmable logic devices wherein its AND array is programmable while its OR array is hard-wired.
PAL
PLA
PLD
PROM

Correct!

Wrong!

A shift register in which the output of the last flip-flop is connected to the input of the first flip-flop.
Ring counter
Ripple counter
Parallel counter
BCD counter

Correct!

Wrong!

Which of the following is NOT an internal digital IC fault?
Open signal lines
Shorted signal lines
Faulty power supply
Poor solder connections

Correct!

Wrong!

A result which is obtained when one is added to the least significant bit position of a binary number in the 1’s complement.
Spike
2’s complement form
Complement
Signed binary numbers

Correct!

Wrong!

An astable multivibrator has
one stable state
two stable states
no stable state
tristate

Correct!

Wrong!

A counter that counts from a maximum count downward to zero
Synchronous counter
Down counter
Up counter
Up/down counter

Correct!

Wrong!

A decoder with four inputs can have a maximum of how many outputs?
4
8
16
32

Correct!

Wrong!

A digital circuit that takes a 4-bit BCD input and activates the required outputs to display the equivalent decimal digit on a 7-segment display.
BCD-to-decimal decoder
BCD-to-7-segment driver
Decimal to BCD driver
7-segment display

Correct!

Wrong!

An electrical connection common to all segments of an LCD.
Dual slope
Bootstrap
Backplane
Cascade

Correct!

Wrong!

A situation when a circuit’s output level for a given set of input conditions can be assigned as either a 1 or a 0.
Don’t care
Totem Pole
Low level
High level

Correct!

Wrong!

That part of a computer instruction that defines what type of operation the computer is to execute on specified data.
Machine language
Mnemonic
Assembly language
Op code

Correct!

Wrong!

What is the principal register of an arithmetic logic unit?
Controller
Buffer
Actuator
Accumulator

Correct!

Wrong!

An equivalent Boolean equation for an exclusive NOR is
xy + x’y’
xy + xy’
x’y + xy’
xy’+ x’y’

Correct!

Wrong!

What is the normal resting state of the SET and CLEAR inputs in a NAND gate latch?
SET = CLEAR = 1
SET = 0, CLEAR = 1
SET = 1, CLEAR = 0
SET = CLEAR = 0

Correct!

Wrong!

A term used to describe the logic function created when open-collector outputs are tied together.
Wired-OR
Wired-AND
Totem-pole
Tristate

Correct!

Wrong!

A digital circuit that produces an output code depending on which of its inputs is activated.
Decoder
Encoder
Multiplexer
Demultiplexer

Correct!

Wrong!

A momentary, narrow, spurious and sharply defined change in volume.
Glitch
Strobe
Toggle
Clock

Correct!

Wrong!

A property whereby the output of a digital-to-analog converter either increases or stays the same as the input is increased.
Volatility
Immunity
Monotonicity
Parity

Correct!

Wrong!

A multiplexer is described by its size through ______, where n = number of bits.
n x 2^n
1 x 2^n
2^n x 1
2^n x m

Correct!

Wrong!

How many inputs does a half adder have?
1
2
3
4

Correct!

Wrong!

A monostable multivibrator has
one stable state
two stable states
no stable state
tristate

Correct!

Wrong!

Add 3AF to 23C
BE5
5EB
A3B
101A

Correct!

Wrong!

How many inputs does a full adder have?
2
4
8
3

Correct!

Wrong!

Data retrieval from a memory is called
getting
accessing
reading
fetching

Correct!

Wrong!

This type of fault has the same effect as an internal short between IC pins.
Open signal lines
Shorted signal lines
Broken wire
Poor solder connections

Correct!

Wrong!

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Computer Fundamentals – Quiz 04

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