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COMPUTER-1[For answer keep the mouse over.{donot click}]
Some definitions. Master:- The IDE device that controls the device chain.Each IDE port on a mother board can support two devices.The primary device is the Master;it talks directly to the processor.The secondary device is the slave;its ordes come from the processor through the master device.IDE devices usually have jumpers that determine master or slave status. Slave:- It is a secondary device in atwo device IDE chain. IDE :-The most popular type of hard disk interface.Each mother board has two IDE interfaces that can each support two devices that can be plugged into an IDE interface include some CD-ROM drives and ZIP drives. Jumpers:-Small plastic blocks that fit over two or more pins that stick up from a circuit board to change low level setting on it like DIP switches but cheaper to manufacture. LAN:-Stands for Local Area Network ,a network confined to a small area such as a single building. DIP switches:-Small switches like light swtches on acircuit board that control lowlevel settings(much as jumpers do). AT mother board:-A mother board in which the card interface slots run parallel to the wide edge of the board. ATX mother board:-A mother board in which the card interface slots run parallel to the narrow edge of the mother board. Virtual memory:-Virtual memory uses a portion of your hard disk to simulate extra memory(that is RAM) when more is needed than the system actually contains.) SCSI:-This stands for small computer system interface.A type of device interface that runs avariety of devices,such as hard disks,scanners,and CD-ROM drives. DIMM :-Stands for Dual Inline Memory Module.A new kind of memory(RAM)for PCs that is faster and better than the older SIMM type.The most popular type is S-DRAM DIMMs. Freeware :-Software that can be freely distributed without charge.Compare to Shareware. Shareware :-Software that is freely distributed in trial form;users are honor bound to pay for it if they like it and continue to use it. Toner :-The dry ink used by laser printers FDISK :-The utility programme used to partition a hard drive. Device driver :-A file that controls the interaction between a specific device and windows. Questions and answers. Q:-What happens when the computer battery dies. Ans:-You loose all the informationon the CMOS chip,including the correct date and time and the types of disks installed on the computer.In the absence of CMOS data,the BIOS reverts to its default settings,so the compuetr might be able to start even when the battery is dead.However,the drives often behavestrangely if the default settings donot match the atcual system Q;-What is device conflict ,how do you detect it and resolve it. Ans:-A device conflict occurs when two devices are trying to claim the same system resource for themselves. To detect a device conflict:-
Some brief notes about computer Hardware.(click on the following) |