Shree Gauri Shankar Higher Secondary School
Nijgadh-8, Bara
Second
Terminal Examination - 2072
Subject :
Computer Science
Class: XI (Eleven) Time: 3 hrs. F.M/P.M-75/27
Candidates are required to give their
answers in their own words as far as practicable. The figures in the margin
indicate full marks.
Group A
Attempt any 3 questions: |3x10=30|
1.
What is generation of
computer? Explain the different generation of computer with their major
features.
2.
What is memory? Describe
the different types of memory present in the computer system.
3.
What is an operating
system? Explain any four types of operating system.
4.
What is programming? Explain the different
types of programming languages with their merits and demerits.
Group B
Attempt any 9 questions: |5x9=45|
5.
Differentiate between
analog and digital computer.
6.
What is octal number
system? Convert (167)8 octal number into (?)2 binary
number.
7.
What is NOR gate and construct
its truth table.
8.
What is Output? List out
major features of Non-impact printer.
9.
What is booting? Describe
the types of computer booting.
10.
Explain the differences
between syntax and semantics.
11.
What is word processing?
List out the major features of word processor.
12.
State the Demorgan's
theorem and verify it.
13.
Subtract (10001)2
from (11011)2 using 1's and 2's complement method.
14.
Write short notes on:
a) Scanner b)
Super computer