By Donald R. Evans
This re-creation of the A+ whole Lab handbook has been completely up to date to hide the most recent CompTIA goals. it is also been revised for simpler navigation and a tighter healthy with David Groth's best-selling A+ entire examine advisor. Use those assets jointly to achieve the data, talents, and self assurance you must go the checks and start a lucrative profession. The learn consultant presents entire, in-depth insurance of all middle and OS examination targets. The Lab guide reinforces this very important wisdom with assessment questions and over 50 functional exercises.Over 50 Skills-Focused Labs, Including:Replacing a floppy force or IDE disk fitting a SCSI force accumulating source info in DOS and all types of home windows operating with peripheral units Diagramming a community Partitioning a troublesome force changing an influence provide Upgrading motherboards and reminiscence Troubleshooting IRQ conflicts in DOS and home windows fitting and configuring all types of home windows fitting and configuring home windows purposes Configuring neighborhood and community printers utilizing experiment Disk and Defrag to avoid difficulties fitting a community interface card Configuring dial-up and peer-to-peer networks Troubleshooting home windows and home windows purposes
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8. In another sketch, draw the hard-drive jumper block and show the current jumper settings and terminating resistor. The jumper settings should be a binary number from 000 to 111. The boot hard drive is usually set to binary 0, which is indicated by no SCSI ID jumpers being set. The first and last devices on the cable are terminated with a resistor bank. Installing a SCSI Hard Drive To install a SCSI hard drive, 1. Verify the hard-drive CMOS settings. The CMOS should be set to SCSI or NO DRIVE.
This feature is used by manufactures of devices like fire alarms—the device can print results without interrupting of monitoring activity. Serial ports transfer data one bit at a time, so they are slower than parallel ports. Few printers have the serial port (RS-232) interface. The USB (universal serial bus) interface is now the workhorse of the industry and provides an interface for virtually all peripherals. USB ports have high transfer rates and automatically recognize new printers. Some printers are connected directly to a network.
You may have to remove the front panel to do this. Installing a Floppy Drive To install a floppy drive, 1. Slide the drive into the drive bay and fasten it in. 2. Attach the DC power connector to the drive. 3. Attach the ribbon (data) cable to the drive, with the striped edge of the ribbon cable on pin 1 of the floppy-drive plug. If this is the only floppy drive in the computer, it is drive A: and must be attached to a connector that is between the twisted wires and the end of the cable. If this is a second floppy drive, it is drive B:.