A web server is a computer program that serves the requested HTML pages or files. The server computer will deliver those web pages to the computers that request them and may also do other processing with the web pages, such as calculations and entries into database.
Presently, there are five major web servers commonly used for hosting websites.
Apache HTTP Server: It is developed by Apache Software Foundation. The Apache HTTP Server is the most popular web hosting server in the world.
Internet Information Service (IIS): Internet Information Server is produced by Microsoft and is known to be a very high-performance web hosting server. It is easily administrable and integrated with the windows platforms.
Lighttpd: It is a free web hosting server distributed under the license of BSD. It is known as secure, fast, reliable and power efficient CPU. Lighttpd web servers are compatible with windows, Linux, Mac OS X, Unix and Solaris operating systems.
Sun Java System Web Server: This is produced by Sun Microsystems, is not a open source server. It supports windows, Linux and Unix. This web hosting server is suitable medium and large website hosting.
Jigsaw Server: This is a free open server that comes straight directly from World Wide Web Consortium (W3C). This server is written in Java, and supports many software and platforms like Linux, Unix, windows, Mac OS X, FreeBSD etc.
Some quiz with options:
1. A computer message is “Do You really want to delete the selected File(s)”. The user clicks ‘Yes’ key. It is called………….
(i) Program Response
(ii) User Output
(iii) User response
(iv) Program Output
Answer: (iii)
2. To open disk, mouse pointer is placed on disk icon and then
(i) mouse is dragged pushing the button
(ii) mouse is double-clicked
(iii) mouse is rotated around
(iv) mouse is clicked after rotating it.
Answer: (ii)
3. Which of the following is used for modulation and demodulation?
(i) Modem
(ii) Protocols
(iii) Gateway
(iv) Multiplexer
Answer: (i)
4. ……………………… are such distant items, which do not have wide implication in the given situation.
(i) Field
(ii) Data
(iii) Query
(iv) Property
Answer: (i)
5. Which of the following printers, are you sure, will not to use if your objective is to print on multicarbon forms?
(i) Daisy Wheel
(ii) Dot-Matrix
(iii) Laser
(iv) Thimble
Answer: (iii)
6. A flat metallic disk that contains a large amount of permanently stored information read optically is called a……. .
(i) monitor
(ii) ALU
(iii) CD-ROM
(iv) RAM
Answer: (iii)
7. What function displays row data in a column or column data in a row?
(i) Hyperlink
(ii) Index
(iii) Transpose
(iv) Rows
Answer: (iii)
8. File extensions are used in order to
(i) name the file
(ii) ensure the filename is not lost
(iii) identify the file
(iv) identify the file type.
Answer: (iv)
9. Permanent instructions that the computer uses when it is turned on and that cannot be changed by other instructions are contained in
(i) ROM
(ii) RAM
(iii) ALU
(iv) REM
Answer: (i)
10. The most important or powerful computer in a typical network is……… .
(i) Network Server
(ii) Desktop
(iii) Network client
(iv) Network station.
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