
CAO_Unit-2
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Instructional Technology
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University
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Practice Problem
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Medium
Anisha Mahato
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the bias used in IEEE 754 single-precision floating-point format?
a) 127
b) 128
c) 1023
d) 8192
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The IEEE 754 standard defines how many bits for the exponent in double-precision floating-point representation?
a) 8
b) 10
c) 11
d) 16
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the main advantage of the Carry Look-Ahead Adder over a Ripple Carry Adder?
a) Requires fewer logic gates
b) Consumes less power
c) Reduces carry propagation delay
d) Uses fewer transistors
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How is the number -5 represented in an 8-bit two’s complement system?
a) 00000101
b) 11111011
c) 10000101
d) 10100001
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In two’s complement representation, what is the range of an 8-bit signed integer?
a) -128 to 127
b) -127 to 128
c) -256 to 255
d) 0 to 255
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A floating-point number in IEEE 754 format has an exponent field of 8 bits. If the exponent stored is 10000001, what is the actual exponent value?
a) 129
b) 1
c) -127
d) 3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the main drawback of using sign-magnitude representation for signed numbers?
a) It does not support negative numbers
b) It requires extra bits for exponent storage
c) It has two representations for zero
d) It is computationally faster
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