Computing Numbers Quiz

Description

A quiz about the different number systems used in computer science.
Joel Smith
Quiz by Joel Smith, updated more than 1 year ago
Joel Smith
Created by Joel Smith over 8 years ago
112
1

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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