Number systems

Flashcards covering key vocabulary and concepts from the Computer Science Number Systems lecture.

Binary Number System

A base-2 number system that uses only two digits: 1 and 0.

Denary Number System

A base-10 number system that consists of 10 digits ranging from 0 to 9.

Hexadecimal Number System

A base-16 number system that includes 16 distinct symbols: 0-9 and A-F.

Logic Gates

Digital circuits that perform logical operations on one or more binary inputs to produce a single binary output.

Two's Complement

A mathematical operation on binary numbers, used to represent positive and negative values.

Binary Shifts

Operations that move binary digits left or right, effectively multiplying or dividing by two.

Magnetic Hard Drives

Storage devices that use magnetic polarity to represent binary data.

Optical Disks

Storage media that use laser technology to read and write binary data.

Overflow Error

An error that occurs when a calculation exceeds the maximum limit that can be represented by a given number of bits.

Nibble

A binary value that consists of 4 bits, representing a hexadecimal digit.

Hexadecimal Colour Codes

Color representation in web design using hex values, consisting of 6 hexadecimal digits.

URL Encoding

A method of converting characters into a format that can be transmitted over the Internet, typically using hexadecimal encoding.

Binary Addition

The process of combining binary numbers according to binary arithmetic rules.