SLR 13 - Part One

What is the decimal equivalent of this bit pattern?

1011

• 10

• 1011

• 11

• 12

What is the binary bit pattern for the denary number 15?

• 1111

• 1110

• 0111

• 1101

What is the bit pattern 0110 1011 likely representing?

• Part of an image

• The decimal number 107

• Unicode for k

• Could be any of these or anything stored digitally

Why is hexadecimal used in computing? Pick all that apply.

• You cannot store a colour in binary

• It takes up less memory

• People are less likely to make a mistake when writing a value

• It's easier for humans to read and understand

Which of these is the hexadecimal equivalent of the decimal value 163?

• A3

• F3

• 16

• 3A

What is the arithmetic affect of a binary shift 2 places left?

• The number is divided by 4

• The number is multiplied by 4

• The number is halved

• The number is doubled

What is 4000 bits in bytes?

• 1000 bytes

• 500 bytes

• 400 bytes

• 4 bytes

Which of these is the largest?

• Terrabyte

• Gigabyte

• Megabyte

• Kilobyte

What is an advantage of Unicode over ASCII

• Unicode takes up less memory

• Unicode is a world-wide standard that everyone uses

• Unicode supports more characters and languages

• Unicode is faster

Add these binary values together:

0011 1000

0100 1001

0100 1101

• 1101 1011

• 0111 1101

• 1100 1110

• 1101 1010