Friday, July 20, 2012

MODEL QUESTION OF COMPUTER SCIENCE GRADE-XI


HSEB –Model Questions
GRADE XI
Computer Science
Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks
Full Marks -75
Pass Marks -27

Time – 3 hrs
Group ‘A’ (Long answer questions)

Attempt any three questions                                                               3×10=30

1.      What type of computer is personal computer? Discuss things to be considered while buying a personal computer.
2.      What do you mean by programming language? Discuss types of programming languages along with merits and demerits.
3.      (a).What do you mean by volatile memory? Why volatile memory is faster than permanent memory?
(b). Draw well labeled diagram of a hard disk. Differentiate between hard disk and floppy disk.
4.      (a)Why do we need lists in a web page? Explain different types of list with example.
(b). Write an HTML code to display following table.




Group – B
(Short Answer Questions)
Attempt any Nine Questions [9×5=45]
5.      What do you mean by AI? Discuss about fifth generation of computer.
6.      What do you mean by cache memory? Discuss its importance in processing.
7.      What do you mean by open source operating system? Discuss about Linux and UNIX.
8.      Discuss about positional and non positional number system. Convert (BAEF)16 in base eight number system and again convert the result to decimal number system.
9.      What do you mean by data types? Discuss about basic and derived data types.
10.  Explain the principal of duality with example.
11.  Discuss various uses of presentation software? Discuss about transition and animation in presentation.
12.  What do you mean by primary storage? Differentiate between RAM and ROM.
13.  What do you mean by coding technique? Discuss about ASCII and Unicode.
14.   Define algorithm and flowchart. Draw a flowchart for finding largest number among three distinct numbers.
15.  Write short notes on (any two)
a.       Mobile Computing.
b.      Blu-ray disk.
c.       Computer virus.