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Technical Qus $ Ans

1) What is the full name of ALU?
Arithmetic-logic unit
An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words. In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU)
2) What is the full name of Internet?
The full form of INTERNET is International Network. Since the Internet refers to global network that connects the computers across tge globe, the name International Network is appropriate
4) What is an uninterruptible power supply?
An uninterruptible power supply, also uninterruptible power source, UPS or battery/flywheel backup, is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails.
5) How does an uninterrupted power supply work?
The battery charger continuously produces DC power, which the inverter continuously turns back into 120-volt AC power. If the power fails, the battery provides power to the inverter. There is no switch-over time in a continuous UPS. This setup provides a very stable source of power
6) What does PC stand for on the computer?
personal computers
PC is short for personal computer or IBM PC. The first personal computer produced by IBM was called the PC, and increasingly the term PC came to mean IBM or IBM-compatible personal computers, to the exclusion of other types ofpersonal computers, such as Macintoshes,
7) What does PC mean in a text?
PC means "Politically Correct" or "Personal Computer" So now you know - PC means "Politically Correct" or "Personal Computer" - don't thank us! What does PC mean? PC is an acronym, abbreviation or slang word that is explained above where the PC definition is given.
8) What is the full form of Windows XP?
Windows XP is an operating system introduced in 2001 from Microsoft's Windows family of operating systems, the previous version of Windows being Windows Me. The "XP" in Windows XP stands for experience. Microsoft called the XP release its most important product since Windows 95.
10) What is the full form of computer virus?
VIRUS: Vital Information Resources Under Seize. A computer virus is a computer program or a piece of code that is loaded onto your computer without your knowledge and run against your consent. Virus has a property to replicate itself and spread itself from one computer to another computer.
11) What is the full form of the laptop?
The full form of Laptop is simply Laptop Computer. Contrary to what people say, Laptop isn't an abbreviation. It is exactly what it means. A computer to place on top of your lap, hence Laptop.
12) What is the full form of RAM?
Random-access memory
Random-access memory (RAM) is a form of computer data storage. A Random-access memory device allows data items to be accessed (read or written) in almost the same amount of time irrespective of the physical location of data inside the memory.
13) What is the arithmetic logic unit in a CPU?
An arithmetic logic unit (ALU) is a digital circuit used to perform arithmetic and logic operations. It represents the fundamental building block of the central processing unit (CPU) of a computer. Modern CPUs contain very powerful and complex ALUs.
14) What is the full form of VDU in computer?
Visual Display Unit
Computer Words
Short Form (Acronym)
Long Form
USB
Universal Serial Bus
VDU
Visual Display Unit
VGA
Video Graphics Array
WAN
Wide Area Network
15) What is the full from of Internet?
Internet (interconnected network) a connection of all computers to a central network. The Internet is a global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link several billion devices worldwide.
16) What is Internet Wikipedia?
the free encyclopedia. The internet is the biggest world-wide communication network of computers. It has millions of smaller domestic, academic, business, and government networks, which together carry many different kinds of information. The term is sometimes abbreviated as "the net".

17) What is the meaning of ups?
Short for uninterruptible power supply, a power supply that includes a battery to maintain power in the event of a power outage. Typically, a UPS keeps a computer running for several minutes after a power outage, enabling you to save data that is in RAM and shut down the computer gracefully.
18) What is a UPS in networking?
Network UPS Tools (NUT) is a suite of software component designed to monitor power devices, such as uninterruptible power supplies, power distribution units, solar controllers and servers power supply units. Many brands and models are supported and exposed via a network protocol and standardized interface
19) What does the XP in Windows stand for?
Windows XP is a version of the Microsoft Windows operating system for personal computers. Microsoft released Windows XP on October 25, 2001. ... It was replaced by Windows Vista. The letters "XP" stand for experience. Windows XP was the second most used computer operating system in the world as of April 2012.20) How old is Windows XP?
Users of the 12-year-old operating system will be most at risk after April 8, 2014, when Microsoft announced it is no longer providing security updates, non-security fixes or technical support for Windows XP.
21) What is the Internet?
The Internet is not synonymous with World Wide Web. The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet.
22) Who found the Internet?
Internet/Inventors
23) When did the Internet start up?
On 6 August 1991, the World Wide Web went live to the world. There was no fanfare in the global press. In fact, most people around the world didn't even know what the Internet was. Even if they did, the revolution the Web ushered in was still but a twinkle in Tim Berners-Lee's eye.
24) When the Internet was popular?
The ARPANET was decommissioned in 1990. Limited private connections to parts of the Internet by officially commercial entities emerged in several American cities by late 1989 and 1990, and the NSFNET was decommissioned in 1995, removing the last restrictions on the use of the Internet to carry commercial traffic.
25) Why the Internet was created?
The idea for the Internet began in the early 1960s as a military network developed by the U.S. Department of Defense's Advanced Research Project Agency (DARPA). At first, it was a small network called ARPANET, which promoted the sharing of super-computers amongst military researchers in the United States.
26) What was the Internet originally used for?
The latter were used initially to document the protocols of the first packet switching network developed by DARPA, the ARPANET, beginning in 1969, and have become the principal archive of information about the Internet. At present, the publication function is provided by an RFC editor
27) How did Arpanet become Internet?
The precursor to the Internet was jumpstarted in the early days of computing history, in 1969 with the U.S. Defense Department's Advanced Research Projects Agency Network (ARPANET). ARPA-funded researchers developed many of the protocols used for Internet communication today.
28) What year was email invented?
1972
This is why Ray Tomlinson is credited with inventing email in 1972. Like many of the Internet inventors, Tomlinson worked for Bolt Beranek and Newman as an ARPANET contractor. He picked the @ symbol from the computer keyboard to denote sending messages from one computer to another.
29) When did companies start using email?
The first major commercial Internet Service Providers hit the scene in the early 1990s - 1995 was the year AOL, Prodigy, and CompuServe all showed up. At the time (and still), ISPs would give users an email address automatically. Popular webmail services (such as Hotmail) started popping up in 1996/97
30) What is the protocol of email?
The Internet Message Access Protocol (IMAP) is a mail protocol used for accessing email on a remote web server from a local client. IMAP and POP3 are the two most commonly used Internet mail protocols for retrieving emails. Bothprotocols are supported by all modern email clients and web servers.
31) What is a POP mail server?
Examples of such applications are Outlook, Thunderbird, Eudora, GNUMail, or (Mac) Mail. The original protocol is POP. It was created in 1984 as a means to download emails from a remote server. IMAP was designed in 1986 to allow remote access to emails stored on a remote server.
32) How do I find out what my pop3 server is?
Type "mail." followed by your domain name (e.g. mail.example.com) in the Incoming Mail (POP3, IMAP, or HTTP) Server box. Type "smtp." followed by your domain name (e.g. smtp.example.com) in the Outgoing Mail (SMTP) Server box.
33) What is a POP server name?
Your User Name is user@yourdomain.com (Full email address) Password: (Password is listed in Unity Customer Control Panel) Your Incoming Mail Server(POP3 or IMAP) is mail.yourdomain.com. Your Outgoing Server (SMTP) is mail.yourdomain.com. Use SMTP Authentication: Yes.
34) What is POP server for Gmail?
POP, short for the post office protocol, is used to sync email from Gmail to any compatible mail client, such as Outlook, Thunderbird, or Apple Mail. Just like IMAP,POP is not a Google product; it's a standardized, RFC-compliant protocol that any email service or client can choose to be compatible with.
35) How does a POP server work?
The IMAP Server. As you can see, the POP3 protocol is very simple. It allows you to have a collection of messages stored in a text file on the server. Your e-mail client (e.g. Outlook Express) can connect to your POP3 e-mail server and download the messages from the POP3 text file onto your PC.
36) Which ports does pop use?
Automate bounce handling (Premium users):
·         POP3 - port 110.
·         IMAP - port 143.
·         IMAP SSL (IMAPS) - port 993.
37)  What is pop and what does it do?
Erosion and Cavities. There are two main dental effects of drinking soda: erosion and cavities. Erosion begins when the acids in soft drinks encounter the tooth enamel, which is the outermost protective layer on your teeth. Their effect is to reduce the surface hardness of the enamel.
38) What is port 143 for?


Imap on port 143 is the newer of the two popular protocols used to retrieve eMail from remote mail servers. (The older protocol, pop3, the Post Office Protocol, usesport 110.)