231. Which one the following TV display uses a semiconductor material doped with impurities ?
A. LCD TV
B. Plasma TV
C. LED backlit-LCD TV
D. Analogue TV
✅ The correct answer is option C.
Basic computer knowledge MCQs
232. The full form of MPEG is____________________?
A. Motion Picture Effects Guide
B. Motion Picture Effect Grip
C. Modulated Pictures Effect Pages
D. Motion Picture Experts Group
✅ The correct answer is option D.
233. Communication channel is shared by all the machines on the network in_____________________?
A. broadcast network
B. unicast network
C. multicast network
D. none of the mentioned
✅ The correct answer is option A.
234. The file transfer protocol is built on ____________________?
A. data centric architecture
B. service oriented architecture
C. client server architecture
D. all of the above
✅ The correct answer is option C.
235. The mouse_______________ usually appears in the shape of an arrow?
A. indicator
B. marker
C. meter
D. pointer
✅ The correct answer is option D.
236. Servers handle requests for other domains___________________?
A. directly
B. by contacting remote DNS server
C. it is not possible
D. none of these
✅ The correct answer is option B.
237. A memory that contains a fine pattern of data permanently defined is__________________?
A. EPROM
B. RAM
C. ROM
D. PROM
✅ The correct answer is option C.
238. A sales clerk at a checkout counter scanning a tag on an item rather than keying it into the system, is using __________________?
A. input automation
B. item data automation
C. scanning automation
D. source data automation
✅ The correct answer is option D.
239. Which of the following is an application layer service ?
A. Network virtual terminal
B. File transfer, access, and management
C. Mail service
D. All of these
✅ The correct answer is option D.
240. The pattern of printed lines on most products are called ___________________?
A. prices
B. OCR
C. scanners
D. barcodes
✅ The correct answer is option D.