Computer Fundamentals Practice Quiz 10

Computer Fundamentals Practice Quiz 10

Welcome to ECE Board Exam Practice Quiz for Computer Fundamentals. This set of practice quiz 10 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.

What is meant by interfacing in a computer system?
Synchronization of data information operation in a computer
Synchronization of digital information transmission between computer and external I/O devices
Connection of computers
Finding the fault in a network

Correct!

Wrong!

Processors with more than two registers for arithmetic and logical operations are classified as
specific registered processors
general register processors
accumulator based
serial register processor

Correct!

Wrong!

It is the required interval immediately following the active edge of the clock signal during which the control inputs must be held stable.
Hold time
Pulsing time
Set up time
All the time

Correct!

Wrong!

What is the function of the comparator in the ADC?
Tells control logic when the DAC output exceeds the analog input
Compares two parameters only
Addition and multiplication
Arithmetic operation

Correct!

Wrong!

When power is first applied to any flip-flop circuit, it is impossible to predict the initial state of Q and Q’. What could be done to ensure that NAND latch always started off in the Q = 1 state?
apply a momentary HIGH to PRESET input
apply a momentary LOW to SET input
apply a momentary LOW to CLEAR input
apply a momentary HIGH to CLEAR input

Correct!

Wrong!

The triangle inside the rectangle which is part of the IEEE/ANSI symbol at clock input
indicates the function of those inputs that are common to more than one circuit in the chip
indicates triggering on a NGT
indicates edge-triggered operation
all of the choices

Correct!

Wrong!

An actuator in the DAC
performs conversion of digital data to its analog representation
controls a physical variable according to an electrical input signal
converts a non-electrical physical quantity to an electrical quantity
performs calculation

Correct!

Wrong!

What is the normal resting state of the SET and CLEAR inputs in a flip-flop
Low, high
High, low
High, high
Low, low

Correct!

Wrong!

Text editors and formatters belong to the area of computing known as ________.
software
word processing
compilers
assemblers

Correct!

Wrong!

What two types of inputs that a clocked flip-flop has?
synchronous control inputs and clock input
Asynchronous control inputs and clock input
Pulsed control inputs and clock input
all of the choices

Correct!

Wrong!

Low speed modems generally handle data rates between
3000 and 9000 bps
300 and 2400 bps
2400 and 9600 bps
100 and 2400 bps

Correct!

Wrong!

With a ________, a processor can store data at any address and read back the stored information at any time.
RWM
ROM
PLA
PROM

Correct!

Wrong!

A command to an ADC to start conversion
SOC
EOC
PAC
EAR

Correct!

Wrong!

What JK input condition will always set Q upon the occurrence of the active clock transition?
J = 0, K = 0
J = 1, K = 0
J = 0, K = 1
J = 1, K = 1

Correct!

Wrong!

What is an operand address?
The binary code that represents the operation to be performed by the CPU
The address of the data to be operated as the CPU executes the instruction called for by the opcode
A short abbreviation for the operation
All of the choices

Correct!

Wrong!

A 20 KHz clock signal is applied to a JK flip-flop when J = 1, K = 1. What is the frequency of the flip-flop output waveform?
20 KHz
10 KHz
40 KHz
5 KHz

Correct!

Wrong!

Add (74)8 with (1.1)2
(700) base 10
(70.5) base 8
(10101.01) base .2
(75.4) base 8

Correct!

Wrong!

A circuit made up of combinations of logic gates, with no feedback from output to input.
Sequential logic circuit
Combinational logic circuit
Clocked circuits
Asynchronous circuit

Correct!

Wrong!

Which of the following is not a dynamic test instrument?
Logic probe
Oscilloscope
Logic analyzer
Logic monitor

Correct!

Wrong!

Perform binary subtraction to 6 ¼ and 4 ½ would result to
1001. 01
1.11
10. 11
1.00

Correct!

Wrong!

The time it takes for the DAC output to settle to within ½ step size of its full scale value when the digital input changes from zero to full scale.
Settling time
Set-up time
Hold time
Full scale time

Correct!

Wrong!

Instruction mnemonic means
a short abbreviation for the operation
a binary code that represents the operation to be performed by the CPU
technical term sometimes added to an IC’s description
representation of a quantity that varies in discrete steps

Correct!

Wrong!

The fastest method for transferring data from one register to another is the
serial transfer
parallel transfer
hybrid transfer
FIFO

Correct!

Wrong!

It converts a non-electrical physical quantity to an electrical quantity.
Converter
Inverter
Transducer
Compiler

Correct!

Wrong!

High speed modems transmit between
300 and 2400 bps.
2400 and 9600 bps
between 2400 and 9600 bps
between 300 and 2400 bps

Correct!

Wrong!

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