
Number representation (Floating Point)
Quiz
•
Computers
•
11th Grade
•
Practice Problem
•
Medium
Tim Little
Used 3+ times
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert 0010 11002 to hexadecimal
2C
2B
44
2D
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert 3D16 to 8 bit binary
1111010
00111001
00111101
00111011
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert 0010 11002 to denary
42
44
34
46
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert -20 to 8 bit twos compliment
1001 0100
1110 1011
1110 1100
1110 1000
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In 2.4 x 10-3 which number is the mantissa?
2.4
10
-3
x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In 2.4 x 10-3 which number is the exponent?
2.4
10
-3
x
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Convert 3.25 to floating point, 8 bit mantissa, 4 bit exponent
M=0110 1000 E=0010
M=0011 1000 E=0011
M=1000 1100 E=0100
M=0111 0100 E=0011
Answer explanation
Convert 3.25 to floating point
3.25 = 11.01
Positive so just need to normalise
M = 0.110 1000
Moved the point 2 places left so
E = 0010
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