Computer Fundamentals Practice Quiz 05

Computer Fundamentals Practice Quiz 05

Welcome to ECE Board Exam Practice Quiz for Computer Fundamentals. This set of practice quiz 5 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.

Application of excessive current to a fuse in order to open it.
Shorting
Blowing
Breaking
Disconnecting

Correct!

Wrong!

In designing a 16 x 1 multiplexer, how many selection lines are needed?
2
4
16
32

Correct!

Wrong!

Which of the following does not describe a flip-flop?
It is a one-bit memory device.
Its interval circuitry are usually symmetrical
It is a bistable device
It is equivalent to a one-shot circuit

Correct!

Wrong!

How many flip-flops should be used to realize 32-count capacity?
2
4
5
6

Correct!

Wrong!

An input signal that can activate or disable a gate.
Strobe
Glitch
Tristate
Wired-AND

Correct!

Wrong!

How many AND gates and 4-bit binary adders are needed to implement a 2-bit to 3-bit binary multiplier?
15 AND gates and three 4-bit binary adders
2 AND gates and one 4-bit binary adder
9 AND gates only
6 AND gates and one 4-bit binary adder

Correct!

Wrong!

A flip-flop which follows its input in the next state.
T
D
JK
RS

Correct!

Wrong!

The state of the flip-flop after the occurrence of a clock pulse is called as its
current state
present state
next state
current input

Correct!

Wrong!

A JK flip-flop can be made to function like a T flip-flop by simply
connecting the J and K inputs together as one input
connecting J = 0 and K = 0
resetting all inputs of the JK
connecting earth ground the JK inputs

Correct!

Wrong!

A diagram consisting of a set of circles, where each circle contains a number of states within it.
State table
Transition diagram
Karnaugh map
Bubble diagram

Correct!

Wrong!

The state of a flip-flop when Q = 1 and Q’ = 0.
Reset
Latch
Set
Glitch

Correct!

Wrong!

Which of the following is NOT an advantage of state tables in sequential logic circuit design?
They are the systematic approach to a design problem
The number of variables is limited
They minimize the gating required
They result in synchronous circuit

Correct!

Wrong!

There are _________ flip-flops for a 3-bit binary counter.
2
3
4
5

Correct!

Wrong!

A square wave oscillator or clock generator
Astable circuit
Monostable circuit
Bistable circuit
Debounding circuit

Correct!

Wrong!

A block added to the combinational logic circuit to form a sequential logic circuit is the
ROM
counter
clock
memory

Correct!

Wrong!

A table used by a PLD language such as PALASM, to calculate the expected outputs for a set of inputs.
Excitation table
State table
Simulation table
Truth table

Correct!

Wrong!

This type of bus carries the memory address from the computer to the memory.
Data bus
Address bus
Control bus
Parallel bus

Correct!

Wrong!

Duty cycle for repetitive waveform is defined as the
Ratio of the ON time to the total time
Sum of the ON time and the OFF time
Ratio of the OFF time to the ON time
Ratio of the total time to the ON time

Correct!

Wrong!

A register which holds the address of the word currently being accessed.
Hold register
Memory address register
Memory data register
Access register

Correct!

Wrong!

A magnitude comparator has 22n entries in the truth table where n =
number of inputs
number of comparator bits
number of outputs
number of inputs and outputs

Correct!

Wrong!

A circuit that produces an output pulse for a fixed period of time in response to a trigger and then returns to its quiescent state.
Monostable circuit
Astable circuit
Bistable circuit
Discriminator

Correct!

Wrong!

A _______ condition that exists if a circuit output depends on which of two nearly simultaneous inputs arrive at a point in the circuit first.
glitch
skew
clear
race

Correct!

Wrong!

A circuit that goes through 2^n – 1 states in a random fashion.
Random generator
Pseudo-random sequence generator
Counting shift
Register

Correct!

Wrong!

A preproduction model of a system built for testing and debugging,
Wire list
Maybe (colloquial)
Prototype
Sample

Correct!

Wrong!

A computer language that enables Programmable Array Logic (PAL) users to generate a file that can be used to blow a PAL.
JEDEC
PALASM
TURBO C++
Visual C

Correct!

Wrong!

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Computer Fundamentals – Quiz 05

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