1.4_1 Binary

What is the difference between the binary system and the denary system?

• The denary system has a base value of 10, whereas the binary system has a base value of 2.
• The denary system has 10 different digits for representation, whereas the binary system has 2 different digits for representation.
• The binary system is understandable to computers, whereas the denary system is understandable to humans.
• All of the above.

What is the denary equivalent of the binary number 0101?

• 4
• 5
• 6
• 7

6.What is the binary equivalent of the denary number 47?

• 101111
• 101110
• 1101111
• 10101110

How many binary combinations are possible in a 5-bit system?

• 4
• 8
• 16
• 32

What number does an odd number end with when represented in the binary system?

• 0
• 1
• It cannot be predicted

What is the sum of 1011 and 0010?

• 1001
• 1101
• 1011
• 1111

What is the denary equivalent for the binary number 10111011?

• 187
• 188
• 189
• 190

A processor’s register has a maximum capacity of 4 bits. Which of the following operations will result in an overflow error in this processor?

• 1011+0010
• 1111+0001
• 1001+0001
• 1110+0001

A processor’s register has a maximum capacity of 8 bits. Which of the following operations will result in overflow error in this processor?

• 11111101+00000100
• 11111101+00000010
• 11111101+00000001
• 11111100+00000011

What is the smallest signed number that can be represented using 8 bits?

• 0
• -127
• -128
• -255