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 Gray code for decimal 7 is
Options
A. 0111
B. 1011
C. 0100
D. 0101
E. None of the above
Correct Answer
0100
Digital Computer Electronics problems
Search Results
1. A p- channel enhancement type MOSFET performs much the same function as a PNP transistor, except that
Options
A. it operates much faster
B. it is considerably larger
C. it is controlled by voltage rather than by current, so that it requires very little current at the control terminal
D. it is controlled by current rather than by voltage like a bipolar transistor.
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: it is controlled by voltage rather than by current, so that it requires very little current at the control terminal
2. Conversion of binary number 1001001
2
to hexadecimal is
Options
A. 40
16
B. 39
16
C. 49
16
D. 42
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 49
16
3. Flip-flop outputs are always
Options
A. complimentary
B. the same
C. independent of each other
D. same as inputs
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: complimentary
4. The ASCII
Options
A. is a subset of 8-bit EBCDIC
B. is used only in Western Countries
C. is version II of the ASC Standard
D. has 128 characters, including 32 control characters
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: has 128 characters, including 32 control characters
5. An inverter is also called a _____ gate.
Options
A. NOT
B. OR
C. AND
D. NAND
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: NOT
6. A diagram that illustrates the ore (Logic) of functions in a progran called a
Options
A. Flowchart
B. Sequence of steps
C. Direction of flow
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Flowchart
7. Conversion of binary number 101101
2
to hexadecimal is
Options
A. 37
16
B. 2D
16
C. 2E
16
D. 27
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 2D
16
8. _____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.
Options
A. NMOS, PMOS
B. PMOS, CMOS
C. NMOS, CMOS
D. MOSFET, PMOS
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: NMOS, CMOS
9. The output 0 and 1 levels for TTL logic family is approximately
Options
A. 0.1 and 5 V
B. 0.6 and 3.5 V
C. 0.9 and 1.75V
D. -1.75 and -0.9 V
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 0.6 and 3.5 V
10. Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH
Options
A. 63
B. 32
C. 16
D. 38
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 63
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