Question 1
Question
What is the highest denary number that can be represented using 4 bit binary?
Question 2
Question
What is the highest possible denary number that can be represented using 8 bit binary?
Question 3
Question
Represent the number 203 in binary.
Answer
-
11001011
-
11101011
-
10001011
-
11000011
-
110011011
Question 4
Question
Represent the number 73 using 8 bit binary.
Answer
-
01001001
-
01001011
-
00111001
-
10001001
-
01001010
Question 5
Question
Convert the following numbers into denary:
0110 : [[blank_start]x[blank_end]]
1010 : [[blank_start]y[blank_end]]
1001 : [[blank_start]z[blank_end]]
Question 6
Question
Represent the 8 bit binary number 0011 1001 in denary.
Question 7
Question
Add together the following binary numbers.
0101
0110
Question 8
Question
Add together the following binary numbers:
0101 1011
0110 0110
Answer
-
1100 0001
-
1110 0001
-
1000 0001
-
1100 1001
-
1100 0101
Question 9
Question
Add together the following binary numbers:
1010 0101
0011 1100
Answer
-
1110 0001
-
1111 0001
-
1110 0000
-
1011 0001
-
0110 0000
Question 10
Question
Select which of the following rules for binary addition are correct.
Answer
-
0 + 0 = 0
-
0 + 1 = 1
-
1 + 0 = 1
-
1 + 1 = 0
-
1 + 1 + 1 = 1 (Carry 1)
Question 11
Question
When using 8 bit binary, 256 is the highest number you can represent because 2^8 is 256.
Question 12
Question
Which of the following is the name for the leftmost bit in a binary number?
Answer
-
Most significant bit.
-
Most important bit
-
Most memorable bit
-
Most valuable bit
-
VIP bit
Question 13
Question
If the most significant bit is [blank_start]zero[blank_end], then the number is [blank_start]positive[blank_end].
If the most significant bit is [blank_start]one[blank_end], then the number is negative.
Answer
-
zero
-
one
-
positive
-
two
-
seven billion
-
undefined
Question 14
Question
The binary number 10000011 represents the number -3.
Question 15
Question
Select all of the numbers that have been correctly represented using two's compliment:
Answer
-
11111101 = -3
-
11111110 = 254
-
11111111 = 255
-
1000000011 = -3
-
11001100 = -76
Question 16
Question
To convert negative denary numbers into binary, we first need to find it's positive equivalent.