Computer & IT

note!Answer: A) Tim Burner Lee
Tim Berners-Lee invented the World Wide Web in 1989 while working at CERN.

note!Answer: B) Line break
The <br> tag inserts a line break in HTML.

note!Answer: C) Empty
<hr> is a void (empty) element that draws a horizontal line and has no closing tag.

note!Answer: A) <
HTML tags begin with the less-than symbol '<'.

note!Answer: D) .txt
Notepad saves plain text files with the .txt extension by default.

note!Answer: C) Visited link
vlink is the HTML body attribute that sets the color of visited links.

note!Answer: A) <h1>
<h1> is the largest heading level in HTML, and <h6> is the smallest.

note!Answer: A) <br>
<br> is the HTML tag that breaks a line; <pr> and <er> are not valid HTML tags.

note!Answer: B) Top level domains
com, edu, and gov are generic top-level domains in the Domain Name System.

note!Answer: A) Intranet
An intranet is a private network that uses internet technologies inside an organization.

note!Answer: B) star
In a star topology, all nodes connect to a central hub or switch.

note!Answer: A) Data mining
Data mining analyzes large datasets to discover patterns and trends, such as customer buying habits.

note!Answer: A) NIC
A LAN card is also called a Network Interface Card (NIC).

note!Answer: B) Protocol
A protocol is a set of standard rules that govern communication in a network.

note!Answer: B) Serial port
Traditional modems connect to a computer through a serial port (RS-232).

note!Answer: B) 1 bit at a time
Serial communication sends data one bit at a time over a single channel.

note!Answer: C) Megabits per second
10/100 on a network card indicates it supports 10 or 100 Mbps (megabits per second) Ethernet speeds.

note!Answer: B) Can address many users
E-mail can be addressed to many recipients at once, for example through the To, Cc, and Bcc fields.

note!Answer: B) Dial up netwok
Dial-up internet connects over the ordinary telephone line using a modem.

note!Answer: C) Transfer files from one computer to another
FTP (File Transfer Protocol) is used to transfer files between computers over a network.