Welcome to ECE Board Exam Practice Quiz for Computer Fundamentals. This set of practice quiz 1 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.
In Boolean algebra, G + GF =
GF
G
F
1
Correct!
Wrong!
What happens when the input to a digital IC is left unconnected for TTL ICs?
It acts like logic 1
It becomes overheated
It acts just like logic 0
It eventually destroys itself.
Correct!
Wrong!
An acceptable voltage range of a logic 0 for CMOS operating at VDD = 5 V.
2 to 5 V
0 to 0.8 V
0 to 1.5 V
3.5 to 5 V
Correct!
Wrong!
A __________ takes the complete decimal number and represents it in binary.
BCD
Gray code
Excess-3 code
Straight binary code
Correct!
Wrong!
What type of gate is equivalent to a NAND gate followed by an inverter?
OR
AND
XOR
NOR
Correct!
Wrong!
An acceptable voltage range of a logic 0 for TTL.
2 to 5 V
0 to 0.8 V
0 to 1.5 V
3.5 to 5 V
Correct!
Wrong!
How many bits are required to represent an eight digit decimal number in BCD?
256
4
255
32
Correct!
Wrong!
Which of the following involves digital quantities?
Ten position switch
Current meter
Temperature
Radio volume control
Correct!
Wrong!
What graphical device is used to convert a truth table to its corresponding logic circuit in a simple and orderly process?
Karnaugh map
State table
Truth table
State diagram
Correct!
Wrong!
Use the expression for x = D + [(A+B)C]’ · E to determine the output of the circuit for the conditions A = B = E = 1, C = D = 0.
0
1
2
10
Correct!
Wrong!
Given: x = A’BC (A+D)’. Determine the output of the circuit x if A = 0, B = 1, C = 1 and D = 0.
0
1
2
10
Correct!
Wrong!
The decimal system is composed of __________ numerals or symbols.
2
10
8
16
Correct!
Wrong!
What is the only input combination that will produce a high at the output of a five-input AND gate?
At least one low input
At least one high input
All inputs should be low
All inputs should be high
Correct!
Wrong!
One of the standard levels of complexity of integrated circuits which contains 100,000 and more number of gates.
SSI
MSI
VLSI
ULSI
Correct!
Wrong!
Convert 1000 1001 0111 (BCD) to its decimal equivalent.
798
457
897
101
Correct!
Wrong!
What is the largest decimal value that can be represented using 12 bits?
144
2048
4095
4096
Correct!
Wrong!
The __________ operation result will be 1 if any one or more variables is a 1.
NOT
AND
OR
NOR
Correct!
Wrong!
The most widely used 7-bit alphanumeric code is the
ASCII
EBCDIC
Straight binary code
Gray code
Correct!
Wrong!
If each digit of a decimal number is represented by its binary equivalent, the result is a code called
Morse code
Binary system
Binary-coded decimal
Straight binary coding
Correct!
Wrong!
What is the decimal equivalent of (1101011)2?
107
108
96
100
Correct!
Wrong!
A circuit with no memory characteristic and whose output depends only on the current value of its inputs.
SLC
Boolean circuits
CLC
Multiplexers
Correct!
Wrong!
How many different ways can we implement the inversion operation in a logic circuit?
One
Two
Three
Four
Correct!
Wrong!
What is the smallest type of computer in terms of their physical size?
Minicomputer
Mainframe
Maxicomputer
Microcomputer
Correct!
Wrong!
A digital circuit is also referred to as a/an _________ circuit.
arithmetic
logic
electrical
sequential
Correct!
Wrong!
BCD code has always _________ bits per number.
2
4
8
16
Correct!
Wrong!
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Computer Fundamentals – Quiz 01
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