Q1 - Computer Science Revision

Which two digits are used in binary?

• 0 and 1

• 1 and 2

• 2 and 3

• 3 and 4

What does "bit" stand for?

• Binary digit

• Basic integer

• Byte increment

• Boolean item

The smallest unit of data in computing is a:

• Byte

• Bit

• Kilobyte

• Nibble

Computers primarily use which number system?

• Decimal

• Binary

• Octal

• Hexadecimal

What does ASCII represent?

• A CPU

• A character coding system

• A storage device

• A network protocol

Which is NOT an output device?

• Monitor

• Printer

• Keyboard

• Speaker

In the IPO cycle, which stage shows results?

• Input

• Process

• Output

• Storage

Which is an input device?

• Mouse

• Projector

• Speaker

• Monitor

A flowchart is used to:

• Visualize algorithms

• Store files

• Render graphics

• Send emails

Which best describes a byte?

• 1 bit

• 4 bits

• 8 bits

• 16 bits