
Number system 2
Quiz
•
Computers
•
5th Grade
•
Hard
Barbara Fryc
Used 3+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The decimal number 45 saves in to one’s complement representations using 8 bits is?.
1010 1101
1001 0010
0010 0010
0010 1101
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The decimal number 0,1825 saved in binary system is equal:
0,1111
0,1011
0,0011
0,001
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The representation of a binary number is defined as the value obtained by inverting all the bits in the binary representation of the number (swapping 0s for 1s and vice versa) is called
two’s complement representation
ones’ complement
signed-magnitude representation
insigned magnitude representation
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
An example of commutative law in Boolean's algebra are:
A + B = B + A
A× B = B × A
(A + B) + C = A + (B + C)
A × (B+ C) = A × B + A × C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Boolean AND is a(n) unary operator.
true
false
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a decimal equivalent number hexadecimal number FF is equal:
16
255
25
256
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The result of operation 1101110-1111 in binary system will be:
1101111
1111000
1011111
1001111
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