151. How can you catch a computer virus?
A. Sending e-mail messages
B. Using a laptop during the winter
C. Opening e-mail attachments
D. Shopping online
✅ The correct answer is option C.
Technology MCQs
152. “www” stands for:
A. World Wide Web
B. World Wide Wares
C. World Wide Wait
D. World Wide War
✅ The correct answer is option A.
153. In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about?
A. 500 volts
B. 5 thousand volts
C. 25 thousand volts
D. 100 thousand volts
✅ The correct answer is option B.
The flyback is usually connected to the system that pulls the electron beam across the screen in one direction to ‘paint’ a line of the image and then returns in the other direction much faster.
The flyback is usually connected to the system that pulls the electron beam across the screen in one direction to ‘paint’ a line of the image and then returns in the other direction much faster.
154. The Central Processing Unit is an embeded chip that acts as the ‘brains’ of a computer. What Intel chip was used in the Altair (the first real personal computer)?
A. 6502
B. 8080
C. 6400
D. 8286
✅ The correct answer is option B.
The Intel 8080 was a jazzed-up calculator chip. It was included in microcomputer kits which were little more than demonstration tools and did little except blink lights. Besides the 8080 chip, the Altair included a power supply, a front panel with a large number of lights and 256 bytes (not kilobytes) of memory. The kit sold for {$395} and had to be assembled.
The Intel 8080 was a jazzed-up calculator chip. It was included in microcomputer kits which were little more than demonstration tools and did little except blink lights. Besides the 8080 chip, the Altair included a power supply, a front panel with a large number of lights and 256 bytes (not kilobytes) of memory. The kit sold for {$395} and had to be assembled.
155. RAM stands for
A. Random Access Memory
B. Really Annoying Machine
C. Read A Manual
D. Real Absolute Memory
✅ The correct answer is option A.
156. Which of these is a valid e-mail address?
A. professor.at.learnthenet
B. www.learnthenet.com
C. professor@learnthenet.com
D. professor@learnthenet
✅ The correct answer is option C.
157. Name the terminals of a BJT.
A. Drain, Gate, Source
B. Positive, Negative, Neutral
C. Anode, Cathode, Triode
D. Emitter, Base, Collector
✅ The correct answer is option D.
158. Which of the following is not a part of the Internet?
A. World Wide Web
B. Email
C. CD-ROM
D. HTTP
✅ The correct answer is option C.
159. A program that neither replicates or copies itself, but does damage or compromises the security of the computer. Which ‘Computer Virus’ it is?
A. Joke Program
B. Worm
C. Trojan
D. Hoax
✅ The correct answer is option C.
Typically it relies on someone emailing it to you, it does not email itself, it may arrive in the form of a joke program or software of some sort.
Typically it relies on someone emailing it to you, it does not email itself, it may arrive in the form of a joke program or software of some sort.
160. In what year did the Symantec Corporation first release Norton Antivirus?
A. 1990
B. 1995
C. 1988
D. 1997
✅ The correct answer is option A.
1990 Symantec launches Norton AntiVirus, one of the first anti-virus programs developed by a large company.
1990 Symantec launches Norton AntiVirus, one of the first anti-virus programs developed by a large company.