141⟩ What is not always necessary for accessing the Web?
A modem.
You need a browser, online access and a computer to surf the Web, but if you're on a local area network (LAN) that's connected to the Internet, you don't need a modem to go online.
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“Information Technology Frequently Asked Questions in various Information Technology based job Interviews by interviewer. The set of questions here ensures that you offer a perfect answer posed to you. So get preparation for your new job hunting”
180 Information Technology Questions And Answers
142⟩ What does the abbreviation "http" stand for?
Hypertext Transfer Protocol
143⟩ On what date was the debut of the first IBM Personal Computer?
August 12, 1981.
Before IBM created its personal computer, two types of computer systems, Apple II and CP-M, dominated the microcomputer world. Neither of these systems were PC compatible, or Mac-compatible (the two primary standards in place today). The original IBM PC became a new standard in the microcomputer industry. Since then, hundreds of millions of PC-compatible systems have been sold, as the original PC grew into a large family of computers and peripherals. More software has been written for this computer family than for any other system on the market.
144⟩ What is NAT?
Network Address Translation.
NAT is commonly used by nearly all comsumer routers today, both hardware and software.
145⟩ What is VCM?
Virtual Channel Memory.
VCM was designed by NEC Corp. It is supposed to be faster than normal SDRAM, and it is, but it never caught on.
146⟩ What is a GPU?
Graphics Processing Unit.
It is a chip dedicated to performing 3D calculations.
147⟩ Which of the following is NOT a type of expansion slot or bus design used in Advanced-Technology class systems?
PROM.
PROM stands for Programmable Read Only Memory and is not a type of expansion slot or bus design. Today, PCI has become the most used expansion slot design in PCs. Older PCs incorporated both PCI and ISA slots for computability with older expanssion devices.
148⟩ Which operating systems is produced by IBM?
OS-2.
IBM also created it's own version of DOS called PC-DOS.nn
149⟩ Which computer virus that actively attacks an anti-virus program or programs in an effort to prevent detection?
Retrovirus.
150⟩ Which company created the most used networking software in the 1980's?
Novell.
Novell (based in Provo, UT) created NetWare which is still one of the most used PC networking systems in the world.
151⟩ According to CNN, how much did Internet traffic increase between 1994 and 1996?
Twenty-five times.
The Internet is growing faster than you think!
152⟩ What is a MAC?
Media Access Control.
MAC is short for Media Access Control address, an address unique to every piece of network hardware.
153⟩ What is the Websites code for the country United Kingdom?
UK.
154⟩ In 1983, which person was the first to offer a definition of the term 'computer virus'?
Cohen.
1983 Fred Cohen, while working on his dissertation, formally defines a computer virus as 'a computer program that can affect other computer programs by modifying them in such a way as to include a (possibly evolved)copy of itself.'
155⟩ What is the World Wide Web?
The part of the Internet that enables information-sharing via interconnected pages.
156⟩ What is FMD?
Fluorescent Multi-Layer Disc.
A new type of disc developed by Constellation 3D Inc. These discs can hold up to to 140 GB of data.
157⟩ Which is documented hoax virus?
McDonalds screensaver.
A virus hoax is usually an email that gets mailed in chain letter fashion describing some devastating highly unlikely type of virus, you can usually spot a hoax because there's no file attachment, no reference to a third party who can validate the claim and the general 'tone' of the message.
158⟩ What does ICMP stand for?
Internet Control Message Protocol.
ICMP Packets are used to send control messages including errors.
159⟩ The first graphical browser for the WWW was named?
Mosaic.
160⟩ What is RISC?
Reduced Instruction Set Computer.
Reduced Instruction Set Computer - a type of microprocessor that relies on simple instructions which can be used to build more complicated ones.
