Computer Science - Computer Hardware

26.
In inkjet printers, what is the most common problem with the paper tray?
inconsistent printing
malfunctioning pick-up rollers
misalignment of the sheet feeder
paper jamming on the ink cartridge
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
A customer calls and says her computer won't boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem?
hard drive
video card
power cable
power supply
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
The DC voltage on most circuit boards is:
-12 volts
0 volts
+5 volts
+12 volts
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:
Platten bearings
Carriage rails
Printhead
Paper advance bearings
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
The buffers statement is found in what file?
Config.sys
Autoexec.ncf
Autoexec.bat
Neb.cfg
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.