1.What is the basic laser printer process in proper sequence?
ans.Cleaning->Conditioning->Writing->Developing->Transfer->Fusing.
2.Name 2 types of impact printers?
ans.Daisy-wheel and dot-matrix printers.
3.What are the advantages of inkjet printers?
ans. -produce high quality print.
-easy to use
-inexpensive compared to laser printers
4. What are the disadvantages of inkjet printers?
ans. print heads can be prone to clogging.
5. Name 2 types of inkjet nozzle technologies used by inkjet printers?
ans. -Thermal
-Piezoelectric
6. What are the advantages of solid ink printers?
ans. -Produces vibrant colors prints
-Easy to use
-Can use many different paper types
7. What are the disadvantages of solid ink printers?
ans. -Expensive
-Slow to warm up
8. Why is it recommended that a printer should not be plug into a UPS?
ans. The power surge that occurs when the printer is turned on will damage the UPS unit.
9. What is print job buffering?
ans. Print job buffering is used to buffer print jobs, create pages, or draw images for documents.
10. What is print spooling?
ans. Print spooling programs allow the application you are printing from to finish faster. You may also print directly to the printer.
11. List 2 types of scanners.
ans. -Drum Scanner
-Flat bed
12. What is the advantages and the disadvantages of ALL-in-One printers?
ans.Advantages
-low cost
-one upgrade for all devices
-Easy connection setup
Disadvantages
-one problem effects all devices
-not designed for heavy use.
13. What are the advantage of flatbed scanner?
ans.Flatbed scanners have a significant advantage over other types of scanners because they are widely known for their high quality scans.
14. What is the advantage and disadvantages of handheld scanner?
ans. advantages
-Portable
-Can scan images that canno fit disadvantage
-Poor image quality
15.What is the advantage and disadvantage of drum scanner?
16. What is PnP?
ans. Plug and Play.
17. What is the wireless transmission rate for 802.11a,802.11b,802.11g and 802.11n?
ans. 54 Mbps, 11 Mbps, 54 Mbps, 540Mbps
18. What are the pros and cons for 802.11a, 802.11b, 802.11g and 802.11n?
ans.
19. Name 2 basic functions of an Access Point?
ans. Acts as base station for wireless network
Act as bridge between wireless and wired network
20. What are the modes of wireless networking?
ans. Ad Hoc Mode and Infrastructure mode.
21. what are the methods to improve wireless router security?
22.What is a thread referred to in an operating system?
ans. Controls a computer.
23. What is the minimum CPU speed required for Win 7 installation?
ans. 1 gigahertz(GHz) or faster 32-bit (x86) or 64-bit (x64) processor
24. What is the minimum system RAM for Win 7 installation?
ans. 1 gigabyte (GB) RAM (32-bit) or 2GB RAM (64-bit)
25. What is Windows Registry?
ans. The Windows Registry is a hierarchical database that stores configuration settings and options on Microsoft Windows operating systems.
No comments:
Post a Comment