Term
|
Definition
|
|
Term
| the basic computing element that is either 0 or 1, and is formed from the words Binary digit |
|
Definition
|
|
Term
|
Definition
|
|
Term
| a number system based on 2 and can only use the values 0 and 1 |
|
Definition
|
|
Term
| hexadecimal number system: |
|
Definition
|
|
Term
| a number system based on the value 16 which uses denary digits 0 to 9 and letters A to F |
|
Definition
|
|
Term
|
Definition
|
|
Term
| an error message generated by the computer |
|
Definition
|
|
Term
|
Definition
|
|
Term
| standing for Media Access Control, this address (given in hexadecimal) uniquely identifies a device on the internet; it takes the form: NN-NN-NN-DD-DD-DD, where NN-NN-NN is the manufacturer code and DD-DD-DD is the device code |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Internet Protocol identified either as IPv4 or IPv6; it gives a unique address to each device connected to a network identifying their location |
|
Definition
|
|
Term
|
Definition
|
|
Term
| HyperText Mark-up Language is used in the design of web pages and to write, for example, http(s) protocols; in the context of this chapter, colours used in web pages are assigned a hexadecimal code based on red, green and blue colours |
|
Definition
|
|
Term
|
Definition
|
|
Term
| the result of carrying out a calculation that produces a value that is too large for the computer’s allocated word size (8-bit, 16-bit, 32-bit, and so on) |
|
Definition
|
|
Term
|
Definition
|
|
Term
| an operation that shifts bits to the left or right in a register; any bits shifted out of a register (left or right) are replaced with zeroes |
|
Definition
|
|
Term
|
Definition
|
|
Term
| a method of representing negative numbers in binary; when applied to an 8-bit system, the left-most bit (most significant bit) is given the value –128 |
|
Definition
|
|
Term
|
Definition
|
|
Term
| a character set for all the characters on a standard keyboard and control codes |
|
Definition
|
|
Term
|
Definition
|
|
Term
| a list of characters that have been defined by computer hardware and software. The character set is necessary so that the computer can understand human characters |
|
Definition
|
|
Term
|
Definition
|
|
Term
| a character set which represents all the languages of the world (the first 128 characters are the same as ASCII code) |
|
Definition
|
|
Term
|
Definition
|
|
Term
| the number of bits used to represent sound amplitude in digital sound recording (also known as bit depth) |
|
Definition
|
|
