OCR GCSE Computer Science (Binary, storage, CPU)

What is the answer to 1010 + 0101?

• 1011
• 1001
• 1111
• 0111

What is the answer to 0101 + 0101?

• 1111
• 1100
• 1110
• 1010

• 01111011
• 01101111
• 01111101
• 01101101

• 01011010
• 10011010
• 10010101
• 10100010

Convert 65 to binary

• 01100001
• 00100001
• 01000001
• 00100101

Convert 11001100 to decimal

• 224
• 134
• 104
• 204

How many bits are used in (standard) ASCII? (1-4)

• 16
• 1
• 7
• 8

Upper and lower case letters have a different ASCII code. (3-4)

• True
• False

A character set is... (4-6)

• What language can be used in a computer system.
• The fonts that a computer has installed.
• The possible characters that can be represented by a computer system.

ASCII stands for... (6-7)

• American Standard Code for Information Interchange
• American Scientific Code for Information Interchanging
• Absolute Standard Codes for Instruction Interchange