Each EIDE supports up to two drives on a single ribbon cable This type of setup

Each eide supports up to two drives on a single

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or inserted while the computer is still on. Each EIDE supports up to two drives on a single ribbon cable. This type of setup is called a master/slave configuration because one controller directs the activities of both drives. To mount an EIDE drive, proceed as follows: 1. Wear antistatic wrist member to discharge any static charge on the body. 2. Determine which drive will be the master and use the drive label information to determine which jumper settings to use for a master or a slave. 3. Check that a free drive bay is available, slide the disk into that bay and screw it into place. 4. Ensure that there is free power connector from the power supply unit and connect it to the drive. Notice that it is designed to fit in its socket in only one direction. 5. Identify pin 1 as labeled on the drives socket and match it with the red or brown continuous line of the ribbon cable. Most cables will only fit in one direction. 6. Connect the interface cable to the drive, then into the controller slot on the motherboard. If installation is complete, replace the casing power. Connecting external devices To connect a device to the system unit, you need to identify its port and interface cable. 1. Gently and carefully connect the interface cable of each device to the correct port and to the device if it is not already fixed permanently. 2. Connect the computer to the power source and switch it on. 3. Observe boot up information on the screen to see whether Power-On-Self-Test (POST) displays any error message. 4. A successful boot means that the computer was properly set up Group Discussion for Revision questions on topics 1. What are: a. input devices b. processing devices c. output devices 2. Discuss the following terms a. data b. information 3. Name four main parts that make up a computer 4. What are peripheral devices?
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37 5. Name such devices in question 4 above 6. With the aid of an organizational chart, show how computers are classified. 7. In which classification do the school computers belong? Why? 8. Discuss classification of computers according to: a. Size b. Purpose c. Functionality 9. With an aid of a diagram show how digital and analogue signals are represented. 10. Name at least six microcomputers available in the Kenyan market today. 11. Name 10 areas where computers are used and what they are they used for? 12. What are the main functions of a computer? 13. What is the main purpose of a computer? 14. Briefly discuss evolution of computers since ages before Christ to date? 15. Discuss causes of computer damage in the computer lab and how to avoid them? 16. List six safety precautions in the computer lab. Why are they necessary? 17. Discuss classification of keyboard keys and give examples for each classification. 18. Draw symbols for each keyboard key listed below and indicate their uses?
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