CuriousTab
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 Clerk
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Digital Electronics
‣
Digital Arithmetic Operations and Circuits
See What Others Are Saying!
Question
The concurrent section of the hardware description is where the ________ are interconnected.
Options
A. functions
B. components
C. circuits
D. macrofunctions
Correct Answer
components
More questions
1. For the device shown here, assume the D input is LOW, both S inputs are HIGH, and the
input is HIGH. What is the status of the
outputs?
Options
A. All are HIGH.
B. All are LOW.
C. All but
are LOW.
D. All but
are HIGH.
Show Answer
Scratch Pad
Discuss
Correct Answer: All are HIGH.
2. How many 8 k × 1 RAMs are required to achieve a memory with a word capacity of 8 k and a word length of eight bits?
Options
A. Eight
B. Four
C. Two
D. One
Show Answer
Scratch Pad
Discuss
Correct Answer: Eight
3. Which of the following testing procedures has one or more external moving parts?
Options
A. Bed-of-nails
B. Flying probe
C. EXTEST
D. Boundary scan
Show Answer
Scratch Pad
Discuss
Correct Answer: Flying probe
4. A gated S-R flip-flop is in the hold condition whenever ________.
Options
A. the Gate Enable is HIGH
B. the Gate Enable is LOW
C. the
S
and
R
inputs are both LOW
D. the Gate Enable is HIGH and the
S
and
R
inputs are both LOW
Show Answer
Scratch Pad
Discuss
Correct Answer: the Gate Enable is HIGH and the
S
and
R
inputs are both LOW
5. Offset is the characteristic of a DAC defined by the absence of any incorrect step reversals.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
6. Zeros may be added to the left of the MSB to produce even groups of 4 bits when converting from binary to hexadecimal.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
7. A MOD-16 ripple counter is holding the count 1001
2
. What will the count be after 31 clock pulses?
Options
A. 1000
2
B. 1010
2
C. 1011
2
D. 1101
2
Show Answer
Scratch Pad
Discuss
Correct Answer: 1000
2
8. The quantization error in an analog-to-digital converter can be reduced by:
Options
A. increasing the number of bits in the counter and DAC.
B. decreasing the number of bits in the counter and increasing the number of bits in the DAC.
C. increasing the number of bits in the counter and decreasing the number of bits in the DAC.
D. decreasing the number of bits in the counter and DAC.
Show Answer
Scratch Pad
Discuss
Correct Answer: increasing the number of bits in the counter and DAC.
9. The process of reduction or simplification of combinational logic circuits increases the cost of the circuit.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
10. A logic probe is placed on the output of a digital circuit and the probe lamp is dimly lit. This display indicates ________.
Options
A. that an open or bad logic level exists
B. a high level output
C. a high-frequency pulse train
D. that the supply voltage is low
Show Answer
Scratch Pad
Discuss
Correct Answer: that an open or bad logic level exists
Comments
There are no comments.
Enter a new Comment
Save
More in Digital Electronics:
Boolean Algebra and Logic Simplification
Code Converters and Multiplexers
Combinational Logic Analysis
Combinational Logic Circuits
Computers
Counters
Describing Logic Circuits
Digital Arithmetic Operations and Circuits
Digital Concepts
Digital Design
Digital Signal Processing
Digital System Projects Using HDL
Ex-OR and Ex-NOR Gates
Flip-Flops
Integrated-Circuit Logic Families
Integrated Circuit Technologies
Interfacing to the Analog World
Logic Families and Their Characteristics
Logic Gates
Memory and Storage
Microprocessor Fundamentals
MSI Logic Circuits
Multivibrators and 555 Timer
Number Systems and Codes
Programmable Logic Device
Shift Registers
Signals and Switches
The 8051 Microcontroller