Thursday, 1 May 2014

Software

Software

Machine code are binary instruction and low-level language that controls directly each machine operation, high-level language is a language based that requires a program to translate it into machine code

Thursday, 13 March 2014

Database

A database is a store of related data on a computer system it is organised so computer programs can easily create, delete, read, and store data.

Most databases are files on a computer system. There are different types of files:
  • Serial file: A file of items one after another
  • Sequential file: A serial file on order

Flat file database

It is made up of fields and records. Fields show characteristics of the data and records link different pieces of data together