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WorksheetsPANEL GAME
Total questions: 20
Worksheet time: 3600secs
In parts of the processor, adders are used to calculate ____________
Addresses
Table indices
increment and decrement operators
All of the Mentioned
Total number of inputs in a half adder is __________
2
3
4
1
If A and B are the inputs of a half adder, the sum is given by __________
A AND B
A OR B
A XOR B
A EX-NOR B
The difference between half adder and full adder is __________
Half adder has two inputs while full adder has four inputs
Half adder has one output while full adder has two outputs
Half adder has two inputs while full adder has three inputs
All of the Mentioned
How many AND, OR and EXOR gates are required for the configuration of full adder?
1, 2, 2
b)
c)
d)
2, 1, 2
3, 1, 2
4, 0, 1
For subtracting 1 from 0, we use to take a _______ from neighbouring bits.
Carry
Borrow
Input
Output
Let the input of a subtractor is A and B then what the output will be if A = B?
0
1
A
B
What does minuend and subtrahend denotes in a subtractor?
Their corresponding bits of input
Its outputs
Its inputs
Borrow bits
3 bits full adder contains ____________
3 combinational inputs
4 combinational inputs
6 combinational inputs
8 combinational inputs
Decimal digit in BCD can be represented by ____________
1 input line
2 input lines
3 input lines
4 input lines
How many inputs will a decimal-to-BCD encoder have?
4
8
10
16
How is an encoder different from a decoder?
The output of an encoder is a binary code for 1-of-N input
The output of a decoder is a binary code for 1-of-N input
The output of an encoder is a binary code for N-of-1 output
The output of a decoder is a binary code for N-of-1 output
If we record any music in any recorder, such types of process is called ___________
Multiplexing
Encoding
Decoding
Demultiplexing
If two inputs are active on a priority encoder, which will be coded on the output?
The higher value
The lower value
Neither of the inputs
Both of the inputs
One that is not the outcome of magnitude comparator is ____________
a > b
a – b
a < b
a = b
Comparators are used in ____________
Memory
CPU
Motherboard
Hard drive
How many types of digital comparators are?
1
2
3
4
Which combinational circuit is renowned for selecting a single input from multiple inputs & directing the binary information to output line?
Data Selector
Data distributor
Both data selector and data distributor
DeMultiplexer
Which is the major functioning responsibility of the multiplexing combinational circuit?
Decoding the binary information
Generation of all minterms in an output function with OR-gate
Generation of selected path between multiple sources and a single destination
Encoding of binary information
How many select lines would be required for an 8-line-to-1-line multiplexer?
2
4
8
3
