Multiplication

Question 1
Marks : +2 | -2
Pass Ratio : 100%
The method used to reduce the maximum number of summands by half is _______
Fast multiplication
Bit-pair recording
Quick multiplication
None of the mentioned
Explanation:
It reduces the number of summands by concatenating them.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
The product of 1101 & 1011 is ______
10001111
10101010
11110000
11001100
Explanation:
The above operation is performed using binary multiplication.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
The multiplicand and the control signals are passed through to the n-bit adder via _____
MUX
DEMUX
Encoder
Decoder
Explanation:
None.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
The ______ is used to coordinate the operation of the multiplier.
Controller
Coordinator
Control sequencer
None of the mentioned
Explanation:
This performs the required sequencing of the various parts of the circuit.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
The multiplier is stored in ______
PC Register
Shift register
Cache
None of the mentioned
Explanation:
The value is stored in a shift register so that each bit can be accessed separately.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
The bits 1 & 1 are recorded as _______ in bit-pair recording.
-1
0
+1
both -1 and 0
Explanation:
Its ‘-1’ when the previous bit is 0 and ‘0’ when the previous bit is 1.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
CSA stands for?
Computer Speed Addition
Carry Save Addition
Computer Service Architecture
None of the mentioned
Explanation:
The CSA is used to speed up the addition of multiplicands.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
We make use of ______ circuits to implement multiplication.
Flip flops
Combinatorial
Fast adders
None of the mentioned
Explanation:
The fast adders are used to add the multiplied numbers.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
The multiplier -6(11010) is recorded as _______
0-1-2
0-1+1-10
-2-10
None of the mentioned
Explanation:
None.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
The product of -13 & 11 is ______________
1100110011
1101110001
1010101010
1111111000
Explanation:
None.