411. Which standard govern parallel communications?
A. RS232
B. RS-232a
C. CAT 5
D. IEEE 1284
E. None of the above

412. In laser printer technology, what happens during the conditioning stage?
A.The corona wire places a uniform positive charge on the paper
B. A uniform negative charge is placed on the photosensitive drum
C. A uniform negative charge is placed on the toner
D. All of the above
E. None of the above

413. What product is used to clean smudged keys on a keyboard?
A. TMC solvent
B. Silicone spray
C. Denatured alcohol
D. All-purpose cleaner
E. None of the above

414. ESD would cause the most damage to which component?
A. Power supply
B. Expansion board
C. Monitor
D. Keyboard
E. None of the above

415. To view any currently running Terminate Stay Resident (TSR’s) programs you could type:
A. Memory
D. Memmaker
E. None of the above

416. Which type of system board is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?
E. None of the above

417. Suppose that you have a the maintenance package identifies several possible field replaceable units (FRUs) that will resolve the problem. What should you do after turning the power off?
A. Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock
B. Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved
C. Follow the same procedure as in ays replace the system board first if it is on the list of possible FRUs If multiple FRUs are indicated, then software is the most likely source of the problem
D. None of the above

418. Most PCs give a single beep on bootup to indicate they are ok hardware wise. You boot your PC and don’t get a beep. What should you check first?
A. system board
C. microprocessor
D. power supply
E. speaker

419. Which peripheral port provides the FASTEST throughput to laser printers?
A. RS-232
C. Parallel
D. Serial
E. None of the above

420. The mouse pointer moves erratically, what is the possible cause? The mouse
A. ball is dirty
B. is not connected
C. driver is not installed properly
D. has an incorrect IRQ setting
E. None of the above

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