Computer Hardware Questions

• You see the message "invalid media device" after installing a new hard drive. What do you do next?
• What is the modem hang up command?
• COM1 is typically represented by which of the following?
• One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
• A dialog box with a bomb appears on a Macintosh screen. What type of problem has occurred?
• In the Binary numbering system, a (1) represents a jumper being shorted and a (0) represents a jumper being open. On a three-bit jumper block on a SCSI drive, how would an ID of logical 3 be set?
• During preventative maintenance on a dot matrix printer, do NOT lubricate:
• What is the i/o address for com2?
• In laser technology, what happens during the transfer stage?
• The DC voltage on most circuit boards is:
• If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot.
• What IRQ is used for COM 2?
• Which component must be vacuumed or replaced during preventative maintenance on a laser printer?
• A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
• What are the most likely conditions for ESD?
• Which of the following items would require you t.o comply with EPA disposal guidelines?
• Static electricity thrives is which type of environment?
• How is ink transferred to paper in common ink jet printers?
• The digital multimeter is set for DC, Ohm and 20k. You will read _____ while measuring a good 2 amp fuse.
• Which would you have to upgrade to install an EIDE drive?