CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Computer Science
‣
Digital Computer Electronics
Comments
Question
A multiplexer is also known as
Options
A. coder
B. decoder
C. data selector
D. multivibrator
E. None of the above
Correct Answer
data selector
Digital Computer Electronics problems
Search Results
1. The logic 1 in positive logic system is represented by:
Options
A. zero voltage
B. lower voltage level
C. higher voltage level
D. negative voltage
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: higher voltage level
2. A combinational logic circuit which generates particular binary word or number is
Options
A. decoder
B. multiplexer
C. encoder
D. demultiplexer
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: multiplexer
3. The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to _____ and vice versa.
Options
A. decimal
B. binary
C. ASCE
D. BCD
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: binary
4. Names, numbers, and other information needed to solve a problem are called _____
Options
A. program
B. instruction
C. data
D. controls
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: data
5. A binary adder is a logic circuit that can add _____ binary numbers at a time.
Options
A. Hundreds
B. Thousands
C. One
D. Two
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Two
6. Cyclic codes are used in
Options
A. data transfer
B. continuously varying signal representation
C. arithmetic and logical computation
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: continuously varying signal representation
7. Conversion of binary number 110000
2
to hexadecimal is
Options
A. 30
16
B. 40
16
C. 43
16
D. 27
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 30
16
8. The number of two-input NAND gates required to produce the two-input OR function is
Options
A. 1
B. 2
C. 3
D. 4
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 3
9. What does 4k represent?
Options
A. 4000
B. 4096
C. 40
D. 400
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 4096
10. The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.
Options
A. SSI, MSI
B. MSI, LSI
C. SSI, LSI
D. ECL, DTL
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: SSI, MSI
Comments
There are no comments.
Enter a new Comment
Save
More in Computer Science:
Artificial Intelligence
Automation System
Computer Fundamentals
Computer Hardware
Database Systems
Digital Computer Electronics
Disk Operating System (DOS)
Electronic Principles
Language Processors
Linux
Management Information Systems
Networking
Object Oriented Programming Using C++
Operating Systems Concepts
System Analysis and Design
Unix
Windows 2000 Server
Windows NT