MCQ
Papers
Previous Year Paper
Exam
Quiz
Tournament
Test Series
Assessment Services
Login/Sign Up
MCQ
Aptitude Test (Mathematics and Soft Skill) DDCET
BASIC ELECTRONICS
Basics of Science and Engineering (DDCET)
CONTROL SYSTEM ENGINEERING
DIGITAL ELECTRONICS
ELECTRICAL CIRCUIT ANALYSIS
ELECTRICAL ENERGY CONSERVATION AND AUDITING
ELECTRICAL ENGINEERING MATERIALS
ELECTRICAL MACHINES
ELECTRICAL VEHICLES
ELECTRICAL WIRING
ELECTROMAGNETICS
MEASUREMENT & INSTRUMENTATION
MICROPROCESSOR AND MICROCONTROLLER INTERFACING
POWER ELECTRONICS & DRIVES
POWER SYSTEM
SIGNALS & SYSTEMS
UTILIZATION OF ELECTRICAL ENERGY
DIGITAL ELECTRONICS
Q21.
A digital to analog converter with full scale output voltage of 3.5 V has a resolution close to 138 millivolt. Its bit size is
4
8
16
256
Show Answer
Solution
Q22.
Which of the following is not a specification for D to A convertor?
Resolution
Monotonocity
Non-linearity
Fan-in and Fan-out
Show Answer
Solution
Q23.
The minimum number of resistances are required for a 8-bit weighted-resistor type DAC is
4
8
15
16
Show Answer
Solution
Q24.
The following circuit can act as a memory
A combinatorial circuit
GATE with feedback
A simple GATE
An XOR GATE
Show Answer
Solution
Q25.
The basic memory cell of dynamic RAM consists of
a capacitor
a transistor
a flip flop
a transistor acting as a capacitor
Show Answer
Solution
Q26.
The address bus with a ROM of size 1024 × 8 bits is
16 bits
8 bits
10 bits
12 bits
Show Answer
Solution
Q27.
In binary number system the first bit from left to right is called as
LSB
MSB
First Bit
Last Bit
Show Answer
Solution
Q28.
Decimal 43 in hexadecimal and BCD number system is respectively
B2, 01000011
2B, 01000011
2B, 00110100
B2, 010000100
Show Answer
Solution
Q29.
An index register in digital computer is to be used for
Address modification purpose
Performing arithmetic and logic operation
Counting number of times a program is executed
Temporary storage of result
Show Answer
Solution
Q30.
In Digital Circuits the major heat is generated at the
Transistor when it is Switching
Transistor when it is ON
Transistor when it is OFF
Transistor when it is cut off
Show Answer
Solution
Previous Page
1
2
3
4
Next Page
Hello Qualexians...
Login to access detailed solutions and many more exam preparation activities at Qualexe.