Fiber optics possess following properties
(a) Immune electromagnetic interference
(b) Very less signal attenuation
(c) Very hard to tap
(d) All of the mentioned
Answer: d
If an Optical Carrier is represented as OC-n, generally the link speed equals (in Mbps),
(a) n*39.8
(b) n*51.8
(c) 2n*51.8
(d) none of the mentioned
Answer. b
A file from .eps stand for:
(a) Encapsulated Postscript
(b) Email Protocol Script
(c) Electronic Programming Syntax
(d) Encoded Protocol Service
Answer: a
The term Exclusive Elite forums describe what?
(a) Trading pirated software’s
(b) Stolen credit card numbers
(c) Cracking tools
(d) All of the above
Answer: d
WISPs is an acronym for:
(a) Wireless Internet Software Protocols
(b) Wireless Internet Service Providers
(c) Wireless Internet Service Producers
(d) None of the above
Answer: b
Who can block entry into your PC or restrict outgoing traffic?
(a) Inspectors
(b) Detectors
(c) Firewalls
(d) Boundary Walls
Answer: c
RAM is described as the memory which:
(a) Temporarily stores data or programs
(b) Is controlled by the storage unit
(c) Permanently stores instructions
(d) Is retained even after the computer is shut down
Answer: a
Which device can read as well as write data onto a disk?
(a) Keyboard
(b) Printer
(c) Monitor
(d) Disk drive
Answer: d
What can users do to secure their PC’s?
(a) Turn on Automatic Updates
(b) Install antivirus software
(c) Turn on Windows Firewall
(d) All of the above
Answer: d
How often should a user perform an incremental backup?
(a) Daily
(b) Weekly
(c) Monthly
(d) Yearly
Answer: a
Name the methods used to protect sensitive data?
(a) Encryption
(b) File permissions
(c) Passwords
(d) All of the above
Answer: d
Question: What is a computer?
Answer: A computer is an electronic device. It obeys our instructions. We can store data into it and can get stored data from it when we need.
Question: What is ABACUS?
Answer: ABACUS is the name of first calculating device, which was introduced by Chinese about 3000 B.C. This device is made of wooden box with rods inside.
Question: Who is the Father of the Computer?
Answer: Charles Babbage is the father of the computer.
Question: Which was the first digital computer?
Answer: The first digital computer was MARK-I.
Question: Write the second name of the Main frame Computer?
Answer: Macro computer is the second name of the mainframe computer.