Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Computing devices
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Desktop computers Portable computing devices
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Monitor Main case Keyboard Mouse DVD drive Components of a typical office desktop computer
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Monitors can be ‘normal’ or widescreen in shape.‘normal’ widescreen Monitors Computer monitors are output devices used to display the tasks being worked on by the user.
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton A widescreen monitor is more suited to playing games and watching movies than office tasks. However, a widescreen monitor can display documents side by side, or be rotated to display a document in full.rotated Widescreen monitor
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Rotating monitors allow e.g. A4 page documents to be viewed in their entirety. Rotatable monitors
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Most office monitors are the ‘normal’ 4:3 screens, as these allow most documents to be viewed in the normal proportions. Standard monitor
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Laptop computer Netbook Tablet computer Smartphone Portable computing devices
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton A netbook computer is smaller than a laptop and often has a lower specification. Netbooks do not usually have optical drives, so can be made smaller and lighter. Netbook computers Netbooks can be used for accessing , instant messaging, live web chat, browsing the internet and most office tasks.
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton A laptop computer has an integrated screen, keyboard and pointing device. Laptops allow the user to carry out most office tasks while away from the office. A wireless connection allows the user to access , instant messaging, live web chat, browsing the internet and viewing photographs. Laptop computers
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Tablet computers are portable devices that usually have no pointing device or physical keyboard. A touchscreen allows the user to move a pointer or use an on-screen keyboard to carry out tasks. Tablet computers can be used to access , instant messaging, live web chat, browsing the internet and viewing photographs. Tablet computers
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton A smartphone combines a voice telephone, a personal digital assistant, a web browser, a calendar and diary, a digital camera, a GPS system, a media player, and the ability to run ‘apps’ to carry out tasks. Smartphones
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton Keyboards are used to input characters while typing or entering commands. There may or may not be a separate number keypad. Keyboards
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton A mouse is an input device and is used to move the on-screen pointing device to wherever the user wants to on the screen, mouse buttons are used to select options or to choose from a menu. There may be a scrolling ‘button’ to assist with navigating around documents. Mouse
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton 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. Main case
Unit 1 Understanding computer systems: How ICT can be used to meet business needs OCR Cambridge Nationals in ICT Level 1/2 © Hodder & Stoughton A DVD drive is a storage device. A DVD drive is used to read DVDs such as DVD-ROMs, DVD-Rs and DVD-RWs. Usually, a DVD re-writer is fitted so that data can be written to DVD-RS and RWs. DVD drive