HPH Course on Computer Concepts by Abdullah Kha

Today's world is an information-rich world and it has become a necessity for everyone to know about computers. The purpose of this book is to introduce you about computer and its fundamentals. Computers have touched every part of our lives: the way we way we learn, the way we live, even the way we play. It almost is impossible to go through a single day without encountering a computer, a device department on a computer, information produced by a computer, or a word that was introduced or whose meaning has changed with the advent of computers. Because of the significance of computers in today's world it is important to be computer literate. Being computer literate means you have knowledge and understanding of computers and their uses.

Computer - A Computer is a powerful tool because it is able to perform the information processing cycle operations (input, process, output, and storage) with amazing speed, reliability, and accuracy; store huge amounts of data and information and communication with other computers. Computers allow users to generate correct information quickly, hold the information so it is available at any time, and share the information with other computer users.

Computer Literacy - It is difficult to think of a field in which computers are not used. In addition to general-purpose computer, special-purpose computer are used in everything from automobiles to electric razors. Consider how computers have influenced our daily lives, both positively and negatively. ("To err is human, but to really foul things up requires a computer." - Anonymous, from a BBC Radio broadcast.) List ways in which computers are being used today. What is the common use? What is the most unusual use? As a result of the expanding use of computers in 1986, Florida become the first state to demand computer literacy of all students by grade 12.