PLUS TWO COMPUTER SCIENCE
Chapter 10. Server Side Scripting Using PHP
(+2. Computer Science Questions and answers from text book)
Ans. PHP hypertext preprocessors
2. php file have a default file extension of
Ans. .php
3. Who is known as the father of php?
Ans. Rasmus Lerdorf
4. In php ---------- is used for a single line comment
Ans. //(double slash)
5. WAMP stands for
Ans. Windows,Apache,Mysql,php
6. LAMP stands for
Ans. Linux,Apache,Mysql,php
7. php script start with ------- and end with -------------
Ans. <? and ?>
8. Varaibles always start with a php in
Ans. $
9. The php syntax is similar to that of language
Ans. C++
10. The dot(.)operator is used for -------
Ans. Concatenating operator
11. Arrays that used string keys are called
Ans. Associative Arrays
12. -------------- function is used in php to return the length of the string
Ans. strlen()
13. Multiple outputs can be made only with -------- command
Ans. echo
14. In php by default array index starts from
Ans. zero
15. GET can only send -------- characters.
Ans. 2000
16. What is php?
PHP is an acronym for "PHP: Hypertext Preprocessor.PHP is a widely-used, open source scripting language .PHP scripts are executed on the server.PHP is free to download and use.
17. What is the difference between php and javascipt?
PHP is server-side scripting language whereas Javascript is a client-side scripting language. PHP doesn't execute within browser whereas Javascript executes within browser. PHP supports database whereas Javascript doesn't support databases. PHP accepts both upper case and lower case variables while Javascript doesn't.
18. What is the use of ' echo' in php?
Multiple outputs can be made only with echo command.
19. What is the use of "print" in php?
It used to display output.
20. Which character is used to terminate a php statement?Name one situation where omitting this termination character doesnot produce an error?
Semicolon(;) character is used to terminate a php statement.For the last statement of php code semicolon is not compulsory.