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WorksheetsFPGA & Digital Electronics
Total questions: 35
Worksheet time: 18mins
FPGA
stands for __________
Full
Programmable Gate Array
Full
Programmable Genuine Array
First
Programmable Gate Array
Field
Programmable Gate Array
Which of
the following is/are the basic element/s of FPGA?
Configuration
Logic Block (CLB)
Interconnections
I/O
Block
all of
the above
Which of
the following is a reprogrammable gate array?
EPROM
FPGA
Both a & b
ROM
How
FPGA differs from PLD?
FPGA is
slower than PLD
FPGA
has high power dissipation
FPGA
incorporates logic blocks
None of
the above
CPLD stands for
complex programmable logic devices
circuit programmable logic devices
cell programmable logic devices
none of these
The logic circuits whose outputs at any instant of time depends only on the present input but also on the past outputs are called
Combinational circuits
Sequential circuits
Latches
Flip-flops
Whose operations are more faster among the following?
Combinational circuits
Sequential circuits
Latches
Flip-flops
How many types of sequential circuits are?
2
3
4
5
The basic latch consists of ___________
Two inverters
Two comparators
Two amplifiers
Two adders
What is a trigger pulse?
A pulse that starts a cycle of operation
A pulse that reverses the cycle of operation
A pulse that prevents a cycle of operation
A pulse that enhances a cycle of operation
The difference between a flip-flop & latch is ____________
Both are same
Flip-flop consist of an extra output
Latches has one input but flip-flop has two
Latch has two inputs but flip-flop has one
Which sequential circuits generate the feedback path due to the cross-coupled connection from output of one gate to the input of another gate?
Synchronous
Asynchronous
Both
None of the above
What is/are the crucial function/s of memory elements used in the sequential circuits?
Storage of binary information
Specify the state of sequential
Both a & b
None of the above
Asynchronous circuits are useful in application where the input signals may
change at any time
never change
both a and b
None
In asynchronous circuit, the changes occur with the change of
input
output
clock pulse
time
The present states and next state of asynchronous circuits are also called
secondary variables
primary variables
excitation variables
short term memory
The race in which stable state depends on order is called
critical race
identical race
non critical race
defined race
A Condition occurs when an Asynchronous sequential circuit changes two or more binary states variables
deadlock condition
Running condition
Race condition
None
Time delay device is the memory element of
Unclocked flip-flops
clocked flip-flops
synchronous circuits
asynchronous circuits
Each logic gate gives delay of
1 to 5 ns
2 to 10 ns
3 to 10 ns
3 to 5 ns
The effect of change in input more than one state is called
undefined condition
race condition
reset condition
ideal condition
The change in state occurs during
pulse transition
outputs
clock pulses
inputs
Race condition is present in
synchronous logic circuit
asynchronous logic circuit
ideal logic circuit
both a and b
Memory is a/an ___________
Device to collect data from other computer
Block of data to keep data separately
Indispensable part of computer
Device to connect through all over the world
CD-ROM refers to __________
Floppy disk
Compact Disk-Read Only Memory
Compressed Disk-Read Only Memory
Compressed Disk- Random Access Memory
Data stored in an electronic memory cell can be accessed at random and on demand using __________
Memory addressing
Direct addressing
Indirect addressing
Control Unit
The full form of PLD is __________
Programmable Large Device
Programmable Long Device
Programmable Logic Device
Programmable Lengthy Device
The evolution of PLD began with __________
EROM
RAM
PROM
EEPROM
The full form of EPROM is __________
Easy Programmable Read Only Memory
Erasable Programmable Read Only Memory
Eradicate Programmable Read Only Memory
Easy Programmable Read Out Memory
PLDs with programmable AND and fixed OR arrays are called __________
PAL
PLA
APL
PPL
ASIC stands for __________
Application Special Integrated Circuits
Applied Special Integrated Circuits
Application Specific Integrated Circuits
Applied Specific Integrated Circuits
FPGA stands for __________
Full Programmable Gate Array
Full Programmable Genuine Array
First Programmable Gate Array
Field Programmable Gate Array
The difference between FPGA and PLD is that __________
FPGA is slower than PLD
FPGA has high power dissipation
FPGA incorporates logic blocks
All of the Mentioned
Which of the following is a reprogrammable gate array?
EPROM
FPGA
Both EPROM and FPGA
ROM
Which of the following has the lowest access time?
RAM
ROM
Registers
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