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
Digital Computer Electronics problems
1. Convert the 1000 0000 0000 1111 signed binary number to decimal number.
Options
A. +15
B. -15
C. -30
D. +30
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: -15
2. Conversion of binary number 101101
2
to its decimal number is
Options
A. 45
10
B. 43
10
C. 40
10
D. 47
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 45
10
3. The highest decimal number that can be represented with 10 binary digits is
Options
A. 1023
B. 1024
C. 512
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1023
4. Which of the following is not true?
Options
A. 0X0 = 0
B. 0 x 1 = 1
C. 1 x 0 = 0
D. 1 x 1 = 1
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 0 x 1 = 1
5. Conversion of binary number 1100011
2
to an octal number is
Options
A. 140
8
B. 143
8
C. 147
8
D. 149
8
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 143
8
6. A shift register can be used for
Options
A. parallel to serial conversion
B. serial to parallel conversion
C. digital delay line
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: All of the above
7. Which of the following is the first integrated logic family?
Options
A. RTL
B. DTL
C. TTL
D. MOS
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: RTL
8. The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.
Options
A. LSI
B. MSI
C. MOS
D. MOSFET
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: MSI
9. A demultiplexer is also known as
Options
A. data selector
B. data distributor
C. multiplexer
D. encoder
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: data distributor
10. FETs are used in linear ICs to:
Options
A. increase input resistance
B. provide large resistances
C. increase device complexity
D. (a) and (b) above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: (a) and (b) above
First
16
17
18
...
20
..
22
23
Last
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