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
The m-bit parallel adder consists of:
Options
A. (m+1) full adders
B. m/2 full adders
C. m-1 full adders
D. m full adders
E. None of the above
Correct Answer
m full adders
Digital Computer Electronics problems
Search Results
1. The maximum count which a 6-bit binary word can represent is
Options
A. 36
B. 64
C. 63
D. 65
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 63
2. Addition of 1101
2
and 1010
2
is
Options
A. 10101
2
B. 11000
2
C. 11011
2
D. 10111
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 10111
2
3. Computer ICs work reliably because they are based on _____ design.
Options
A. Top-bottom
B. System
C. Two-stage
D. Two-states
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Two-states
4. Resistor Ratio design is used in linear ICs because
Options
A. Ratios increase input resistance
B. Ratios increase amplifier gain
C. Precise resistor values are not possible with IC processes
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Precise resistor values are not possible with IC processes
5. For what logic gate the outputs in complement of the input?
Options
A. NOT
B. AND
C. OR
D. XOR
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: NOT
6. Conversion of an octal number 136
8
to hexadecimal number is
Options
A. 7E
16
B. 5E
16
C. 5A
16
D. 5D
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 5E
16
7. What is the 1's complement of 0000 1111 0010 1101 number?
Options
A. 1111 0000 0010 1101
B. 1111 0000 1101 0010
C. 1111 1100 1010 1100
D. 1001 0010 1010 1100
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1111 0000 1101 0010
8. In which of the following adder circuits, the carry look ripple delay is eliminated?
Options
A. Half adder
B. Full adder
C. Parallel adder
D. Carry-look-ahead adder
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Carry-look-ahead adder
9. Conversion of an octal number 7432
8
to a binary number is
Options
A. 1111000110111
2
B. 111100011010
2
C. 110011010111
2
D. 111111111000
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 111100011010
2
10. A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _____ to get a low output
Options
A. low
B. high
C. some low and some high
D. 0's
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: high
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