Binary test

What is 45 in binary?
100111
00110000
00100111
00011111
Which of these are rules for adding in binary?
1+1+1=0 carry the 1
1+1=0 carry the 1
1+0=1
1+1=1 carry 1
What is binary?
Computer numbering system
1 and 0
Where you combine Rs
The latest phone
What is 01001110 in denary?
76
78
80
82
What is 01100011+00011110 in binary
10000001
10000110
10001000
100000100
Why does binary only use 0 and 1?
Because computers are dumb
Because that is an off and an on switch output on the computer
Because
Because computers work best in binary
Add 01011001, 00111011 and 00101111 in binary
10111111
110001001
11000011
110000111
 
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