Unit 1 Lesson 2

The binary number 1001 is in two's complement representation. What is this number in denary?

• -7

• -6

• -5

• -4

Perform a left logical shift twice on the 8-bit binary number 10001100. What is the result?

• 00011000

• 00110000

• 00100011

• 01000110

A single right logical shift is applied to the 4-bit number 1111. What is the result in denary?

• 7

• 15

• 8

• 16

What is the result of the binary addition of 1100₂ and 10₂?

• 1111₂

• 1110₂

• 0000₂

• 1100₂

1 KiB is larger than 1024 bytes.

• True
• False

16 nibbles is equivalent to 8 bytes.

• True
• False

Convert 2 TiB to MiB.

• 2 x 1024^-1

• 2 x 1024

• 2 x 1024³

• 2 x 1024²

A PiB is smaller than a TiB.

• True
• False