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3851702
Computing Numbers Quiz
Description
A quiz about the different number systems used in computer science.
No tags specified
binary
denary
hexidecimal
sign and magnitude
two's compliment
conversion
gcse
Quiz by
Joel Smith
, updated more than 1 year ago
More
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Created by
Joel Smith
about 9 years ago
122
1
2
Resource summary
Question 1
Question
Which numerical system is being used in this example? 4B=75
Answer
Binary
Hexidecimal
Two's compliment
Sign and Magnitude
Question 2
Question
Binary is a base 2 numerical system.
Answer
True
False
Question 3
Question
Which numerical system is in use here (highlight all that apply): 27
Answer
Hexidecimal
Binary
Two's compliment
Denary
Question 4
Question
Convert these two's compliment numbers to denary: 1001 0011 = [blank_start]-109[blank_end] 0110 0011 = [blank_start]-29[blank_end]
Answer
-109
99
Question 5
Question
Complete the following binary subtraction sum: 1011 - 0110 = [blank_start]5[blank_end] Give you answer in denary.
Answer
5
Question 6
Question
Complete the following binary addition sum: 1101 0101 + 0111 1001 = [blank_start]334[blank_end] Give you answer in denary.
Answer
334
Question 7
Question
Which is the correct conversion of this sign and magnitude number to denary? (Tick one) 1011 0011
Answer
179
-77
-176
51
Question 8
Question
To convert binary to denary, you must add all the column headings with a 0 below them.
Answer
True
False
Question 9
Question
To convert denary to hexidecimal, you must multiply the number by 16.
Answer
True
False
Question 10
Question
Convert the following binary number to Two's Compliment: 100 1010 = [blank_start]1011 0110[blank_end]
Answer
1011 0110
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