Binary Numbers and Denary Numbers

What would the denary number 55 be in binary?

00110111

What are the first 8 place values?

1, 2, 4, 8, 16, 32, 64, 128

What would the denary number 199 be in binary?

11000111

What would 10110010 be as a denary number?

178

What would 00101110 be as a denary number?

56

What is RAM (Random Access Memory)

A form of computer memory that can be read and changed in any order, typically used to store working data and machine code.

What is a byte?

A group of binary digits or bits (usually eight) operated on as a unit.

What is 1 Megabyte (MB)?

A unit of information equal to one million or, strictly, 1,048,576 bytes.

What is 1 Gigabyte (GB)?

A unit of information equal to one thousand million (109) or, strictly, 230 bytes.

What is 1 Kilobyte (KB)?

A unit of memory or data equal to 1,024 bytes.

What is binary?

Binary is a number system that only uses two digits: 1 and 0. All information that is processed by a computer is in the form of a sequence of 1s and 0s.

What is denary?

The number system most commonly used by people. It contains 10 unique digits 0 to 9. Also known as decimal or base 10.

What is CPU (Central Processing Unit)?

The part of a computer in which operations are controlled and executed.

What is a bit?

The smallest amount of data. A single binary digit.

What is place value?

The value of the place, or position, of a digit in a number.

What is data?

Units of information. In computing there can be different data types, including integers, characters and Boolean. Data is often acted on by instructions.