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.
