Computing Devices

Computing Devices

1. DESKTOP COMPUTERS

   • COMPONENTS OF A TYPICAL OFFICE DESKTOP COMPUTER
     • MAIN CASE
       • THE MAIN CASE WILL CONTAIN COMPONENTS SUCH AS THE MOTHERBOARD, HARD DISK AND POWER SUPPLY. IT WILL ALSO CONTAIN THE NETWORK CARD AND OTHER COMPONENTS.
     • KEYBOARD
       • ARE USED TO INPUT CHARACTERS WHILE TYPING OR ENTERING COMANDS. THERE MAY OR MAY NOT BE A SEPERATE NUMBER KEYPAD
     • MOUSE
       • IS AN INPUT DEVICE AND IS USED TO MOVE THE SCREEN POINTING DEVICE TO WHEREVER THE USER WANTS TO ON THE SCREEN, MOUSE BUTTONS ARE USED TO SELECT OPTIONS OR TO CHOSE FROM A MENU. THERE MAY BE A SCROLLING "BUTTON" TO ASSIST WITH NAVIGATING AROUND DOCUMENTS.
     • DVD DRIVE
       • IS USED TO READ DVDS SUCH AS DVD-ROMS, DVD-RS AND DVD-RW. USUALLY RE-WRITTER IS FITTED SO MTHAT DATA CAN BE WRITTEN TO DVD-RS AND RWS. A DVD DRIVE IS A STAGE DEVICE
     • MONITOR
       • COMPUTER MONITORS : ARE OUTPUT DEVICES USED TO DISPLAY THE TASKS BEING WORKED ON BY THE USER. MONITORS CAN BE "NORMAL" OR WIDESCREENIN SHAPE.
       • WIDESCREEN MONITORS
         • IS MORE SUITED TO PLAYING GAMES AND WATCHING MOVIES THAT OFFICE TASKS.HOWEVER, A WIDESCREEN MONITOR CAN DISPLAY DOCUMENTS SIDE BY SIDE, OR BE ROTATED TO DISPLAY A DOCUMENT IN FULL.
       • ROTATABLE MONITORS
         • ALLOW E.G. A4 PAGE DOCUMENTS TO BE VIEWED IN THEIR ENTIRETY
       • STANDED MONITOR
         • MOST OFFICE MONITORS ARE THE "NORMAL"4:3 SCREENS, AS THESE ALLOW MOST DOCUMENTS TO BE VIEWED IN THE NORMAL PROPORTIESIES

2. PORTABLE COMPUTING DEVICES

   • TABLET COMPUTER
     • ARE PORTABLE DEVICES THAT USUALLT HAVE NO POINTING DEVICE OR PHYSICAL KEYBOARD. A TOUCH SCREEN ALLOWS THE USER TO MOVE A POINTER OR USE AN ON-SCREEN KEYBOARD TO CARRY OUT TASKS.TABLETCOMPUTERS CAN BE USED TO ACCESS EMAIL.INSTANT MESSAGING,LIVE WEB CHATS, BROWSING ON THE INTERNET ANS VIEWING PHOTGRAPHS.
   • LAPTOP
     • HAS AN INTEGRATED SCREEN, KEYBOARD AND POINT DEVICE, LAPTOP ALLOWS THE USER TO CARRY OUT MOST OFFICE TASKES WHILE AWAY FROM THE OFFICE. A WIRELESS CONNECTION ALLOWS THE USER TO ACCESS EMAIL, INSTANT MESSAGING, LIVE WEB CHAT, BROWSING ON THE INTERNET AND VIEWING PHOTOGRAPHS.
   • NETBOOK COMPUTER
     • IS SMALLER THAT A LAPTOPAND OFTEN HAS A LOWER SPECIFICATION.NETBOOKS DO NOT USUALLY HAVE OPTICAL DRIVES, SO CAN BE MADE SMALLER AND LIGHTER. NETBOOKS CAN BE USED FOR ACCESSING EMAIL, INSTANT MESSAGING, LIVE WEB CHAT, BROWSING THE INTERNET AND MOST OFFICE TASKS.
   • SMART PHONE
     • CONTAINS A VOICE TELEPHONE, A PERSONAL DIGITAL ASSISSANT, A WEB BROWSER, A CALANDER AND DIARY, A DIGITAL CAMERA, A GPS SYSTEM, A MEDIA PLAYER AND THE ABILITY TO RUN APPS TO CARRY OUT TASKS.