Welcome to ECE Board Exam Practice Quiz for Computer Fundamentals. This set of practice quiz 8 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.
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Quad 2-input XOR gates in the 7400 Family of TTL devices has a device number equivalent to
7402
7486
7408
7404
Correct!
Wrong!
What is the condition of the flip-flop when Q = 0 and Q = 1?
Reset
Set
Undetermined
Preset
Correct!
Wrong!
A logic circuit that is triggered by a clock signal is
sequential
synchronous
asynchronous
pulsed
Correct!
Wrong!
A program which can be executed on several different computers to compare their speed and performance.
Compiler
Assembler
Diagnostic program
Benchmark
Correct!
Wrong!
Refer to the debugging method in which the program is executed one instruction at a time and the register contents can be examined after each step?
Text editing
Syntax analyzing
Trace
Semantic tracing
Correct!
Wrong!
What digits are used in the binary number system?
0 and 1
high and low
true and false
all of the choices
Correct!
Wrong!
A T flip-flop can be derived by
connecting the two inputs of the JK flip-flop together
by inverting the inputs of a JK flip-flop
connecting the RS flip-flop’s input to ground
securing an integrated circuit with three inputs
Correct!
Wrong!
Which of the items below can perform parallel-to-serial data conversion?
Shift register
Binary counter
Multiplexer
Decoder
Correct!
Wrong!
What is the binary ASCII code for a question mark?
0111110
0111111
0111000
0100011
Correct!
Wrong!
If a certain circuit acts as AND gate when used with positive logic (H = 1, L = 0), what function will it perform when used with negative logic (H = 0, L = 1).
OR
AND
NAND
NOR
Correct!
Wrong!
The data manipulated by a program is called _________ depending on its nature and extent.
data base
file
input
all of the choices
Correct!
Wrong!
A representation of numbers when negative numbers are obtained by complementing their positive equivalent and adding 1.
2’s complement
Inversion
Signed numbers
Indeterminate
Correct!
Wrong!
An instruction that alters the normal course of a program by causing it to jump to another instruction.
Rotate instruction
Skip instruction
Jump
ACC
Correct!
Wrong!
A digital circuit test equipment which is a troubleshooting tool that generates a short-duration pulse when activated manually, usually by pressing the button is the __________.
logic probe
VOM
logic clip
logic pulser
Correct!
Wrong!
The portion of an instruction cycle where the instruction is sent from memory to the instruction register
LOAD
ACCUMULATE
FETCH
EXECUTE
Correct!
Wrong!
How many logic gates are in an MSI chip?
Less than 12 gates
Between 12 to 99 gates
Anywhere from 100 to 9999 gates
10,000 or more gates
Correct!
Wrong!
The most commonly used IC package for digital integrated circuits is the
CMOS pack
DIP ceramic
DIP plastic
Flat pack
Correct!
Wrong!
What binary number follows 1110?
1010
0111
1111
1000
Correct!
Wrong!
It represents machine instructions by mnemonic names and allows memory addresses and other constants to be represented by symbols rather than bit strings.
Assembler
Machine language
Assembly language
Interpreter
Correct!
Wrong!
An area of memory that holds the ASCII characters that are being displayed on a monitor.
Space
Start bit
Terminal
Screen image
Correct!
Wrong!
Which of the following items below is not a part of the hardware organization in a computer?
Architecture
Implementation
Hardware realization
Assembler
Correct!
Wrong!
This occurs when the result of an arithmetic operation is a more negative number than the output register can accommodate.
Error
Overflow
Underflow
Don’t care
Correct!
Wrong!
In the data sheet of a digital building block, operating speed is typically expressed in terms of
capacitance C
transition frequency
propagation delay times for both possible output transitions
miles per hour or centimeters per second
Correct!
Wrong!
Which of the following is a form of De Morgan’s theorem?
A + B = (AB)’
AB = (A + B)’
(A + B)’ = A’ · B’
A·B = A’ · B’
Correct!
Wrong!
Noise margin, which is one indication of how likely it is that information communicated between digital building blocks will be incorrect due to noise, depends on
output current capabilities and input current requirements
output power and required input power for the two logic states
the “safety margin” between the output voltage produced by the transmitting block and input voltage required by the receiving block for each of the two logic state.
the “safety margin” between the noise level and the noise figure.
Correct!
Wrong!
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Computer Fundamentals – Quiz 08
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