Welcome to ECE Board Exam Practice Quiz for Computer Fundamentals. This set of practice quiz 3 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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An IC that contains a large number of interconnected logic functions wherein the user can program the IC for a specific function by selectively breaking the appropriate interconnections.
RAM
ROM
PLD
PLC
Correct!
Wrong!
Small circles on the input or output lines of logic circuit symbols which represent inversion of a particular signal.
Bootstrap
Bubble
Strobe
Clode
Correct!
Wrong!
Another name for a digital multiplexer is
data selector
compressor
encoder
decoder
Correct!
Wrong!
In BCD, the code 1111 is
letter F
A
11
Invalid
Correct!
Wrong!
What will be the state of Q and Q’ after a flip-flop has been reset?
Q = 0, Q’ = 1
Q = 1, Q’ = 0
Q = 0, Q’ = 0
Q = 1, Q’ = 1
Correct!
Wrong!
Add the hex numbers 58 and 24.
7C
7D
C7
2C
Correct!
Wrong!
Asynchronous flip-flop input used to clear Q immediately to 0.
DC set
DC clear
DC reset
DC toggle
Correct!
Wrong!
How many outputs does a full adder have?
1
2
4
8
Correct!
Wrong!
A type of multivibrator circuit which generates a square wave of its own is the
astable
monostable
bistable
flip-flop
Correct!
Wrong!
Class of programmable logic devices wherein both its AND and its OR arrays are programmable.
Field Programmable Logic Array
Programmable Logic Controller
Programmable Logic Circuit
Programmable Array Logic
Correct!
Wrong!
A term synonymous with CLEAR in computer systems.
Reset
Set
Toggle
Load
Correct!
Wrong!
A binary counter that counts from 0000 to 1001 before it recycles.
Buffer
BCD counter
Ring counter
Ripple counter
Correct!
Wrong!
How does a CMOS integrated circuit respond to a floating input?
Unpredictable, may overheat and be destroyed
Open
Shorted
Acts just like a logic 1
Correct!
Wrong!
A digital circuit that oscillates between two unstable output states.
Monostable multivibrator
Astable multivibrator
Bistable multivibrator
Flip-flop
Correct!
Wrong!
A single bit comparator is usually implemented using
Exclusive OR
NOR gate
Exclusive NOR
Wired-AND
Correct!
Wrong!
An abbreviation that represents the op code of a computer instruction.
ASCII
Mnemonic
Octets
Instruction
Correct!
Wrong!
Which of the following does not describe a flip-flop circuit?
Latch
Memory
Bistable multivibrator
ROM
Correct!
Wrong!
All arithmetic operations take place in the _______ of a computer
CPU
ALU
Microprocessor
ROM
Correct!
Wrong!
A computer programming language in which groups of 1s and 0s are used to represent instructions. It is also the only language a computer actually understood.
Application software
Machine language
High – level language
Programming language
Correct!
Wrong!
Circuits made up of combinations of logic gates, with no feedback from outputs to inputs.
Latch
Sequential logic circuit
Combinational logic circuit
Memory
Correct!
Wrong!
What are the three basic parts of a BCD adder circuit?
Two 4-bit adders and connection logic
Two connection logic and one 4-bit adder
Two full adders and one AND gate
One connection logic and 4 full adders
Correct!
Wrong!
Class of mass memory devices that use a laser beam to write and read onto a specified coated disk.
Mass storage
RAM
Optical disk memory
Non-volatile memory
Correct!
Wrong!
A technique often used to eliminate decoding spikes.
Wired-AND
Strobing
Tristate
Wired-NAND
Correct!
Wrong!
Data storage in a memory is termed as
writing
memorizing
loading
reading
Correct!
Wrong!
A bistable multivibrator has
one stable state
two stable states
no stable state
tristate
Correct!
Wrong!
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Computer Fundamentals – Quiz 03
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