Two's Complement, Negative Binary Numbers and Subtraction

What do we call the foundational value of a numbering system?

• Base
• Position
• Notation
• Number

What is 56 in binary?

• 10101100
• 00101100
• 00111000
• 01011000

What is 153 in binary?

• 10101001
• 10001101
• 01011001
• 10011001

What is 17 in binary?

• 00010001
• 00001001
• 00100001
• 00010011

What is 00101001 in decimal?

• 39
• 41
• 38
• 40

What is 01010111 in decimal?

• 85
• 87
• 95
• 101

What is -127 using two's complement representation?

• 10000000
• 01111111
• 10000001
• 01111110

What is 29 in two's complement?

• 10101101
• 10011101
• 00011101
• 00010111

Which of these is the correct sequence for the place values for binary numbers?

• 1, 2, 4, 8, 16, 32, 64, 128
• 1, 2, 4, 6, 8, 10, 12, 14, 16
• 1, 2, 3, 4, 5, 6, 7, 8
• 0, 1

Tags

CCSS.2.NBT.A.3

What happens if I add 10 to 255 using 8 bit binary?

• Overflow error (need 9 bits for answer)
• Overflown error (need 9 bits for answer)
• Error (need 9 bits for answer)
• Flow-over (need 9 bits for answer)