SCIENCE AND TECHNOLOGY GRADE FIVE Topic: ICT Computer A computer is an electronic device that can store, retrieve and process data. Computer can bee used in different ways eg. Typing documents Playing games Browsing the web Creating or editing videos Parts of a computer A computer has two main parts Hardware software Hardware There are physical parts like monitor, mouse, speaker, printer, keyboard, CPU etc Monitor The part that display information Central Processing Unit (CPU). It is a brain of an computer It process all the information it receives from other computer components. Keyboard Used to enter data It has keys written different characters (alphabets, symbols and numbers) Mouse Printer Produce sound Connection cables Used to printout readable text on sheet of paper (hard copy) Speakers Used to position a cursor on a computer screen Connect the computer to power supply Uninterruptible Power Supply (UPS) It allow the computer to keep running for at least a short time when a primary source of power is lost. It also provide protection from power surges Parts of keyboard A typical keyboard has 104 keys for alphabets, numbers, symbols and special characters. The keys are grouped according to their functions as follows Alphanumeric keys These keys consists of both letter and numbers. Number keys are located on top of the letter keys and on the right side of the keyboard Navigation keys These keys are between letter keys and number keys. They move cursor left, right, up or down the screen. Punctuation keys These keys contain punctuation marks like question marks, semi colon,colon,comma, full stop and other symbol. Command keys and special keys Command keys relay a command eg. enter, return (Backspace), Delete. Function keys F1-F12 are used in conjunction with other keys for shortcuts. Other keys used for shortcuts includes Alt and Control keys together with other keys Using word processing program Word processing program is a computer technology that helps one to type a document, format and print it or store it for future use. Word program involves a)Typing a document using Microsoft word b)Formatting the text c)Saving or storing the text and d)Printing the text Activity Start Microsoft word Start your computer On the desktop click on start menu On the start menu click all programs Click Microsoft office on the list From the display list click Microsoft office word Now use the blank page displayed to type your text activity Typing and formatting a document or text Type a document with at lest five sentences Formatting means making changes on the text to make it appear the way you want it to look like. Your teacher will help you do the following format on your text Drop-cap a line or paragraph Bold, italic and underline Highlighting a text Un-do and re-do Use of Capital letter Copy,cut an paste Deleting Check spelling Inserting graphics such a pictures, tables and chats Saving a document After editing and formatting the text it can now be stored safely for future use. Storing data in a computer is called saving files or documents The storage devices includes the flash disk, computer disk/DVD, floppy disk Save your work Click on file menu Select save As Write file name on the dialogue box eg. ANAZAK Select save This is saved on the documents or the site you choose to save your work You can practice saving your work on other devices like flash disk, DVD and external hard disc. Printing your work/text A computer is connected to a printer to print copies of a document in the computer. The data seen on the screen is called soft copy and when printed on a paper it is called a hard copy. Steps to print a document Go to file menu Select print Type page number to be printed on the page dialogue box On the copies dialogue box, write number of copies to be printed On the printer name, select the printer you want to use in case you have more printers connected to your computer Ensure there are enough papers on the printer’s tray Click ok Computer games These are many computer which can be played on our computer Benefits of playing computer game It enhances memory It improves brain speed Playing games improves one’s social skills It improves attention It improve problem solving skills It is a source of entertainment Types of computer games There are many computer games like Draft game Free cell solitaire Etc. Draft game The game is played by two player, you against the computer How to play It is played on a 64 square board. Each player has 12 pieces of one color. The aim of the game is to capture all the 12 pieces of the opponent o block them so that they cannot move. The pieces are moved diagonally one square at a time towards the opponents side Remember capturing is must if you have a chance to do so. Draft game Crowning the king If a piece moves all the way to the other side of the board, It become a king. The king can move forward or backwards diagonally. You can make several kings if possible. Determining the winner The winner is the first player to capture all the opponent’s pieces or the first to stop all the opponent’s pieces from moving or advancing. activity Playing the game Remember the followings Capturing Multiple capturing with your king Crowning more king Disadvantages of playing computer games Eye problems when playing for long time Addiction Promote social isolation and behavior problems to those who hardly get time to interact with their family or peers.