Re-Test Half Yearly Examiniation 2015-16
RE-TEST HALF YEARLY EXAMINIATION 2015-16
COMPUTER SCIENCE
CLASS XI
TIME: 3 HRSMAX MARKS:70
a / Expand VLSI and IC. / 1b / What is shortcut Menu? / 1
a / What do you mean by the Antivirus Software? / 1
b / What are the functions of Operating System? / 3
a / Perform
(i)(235)10 = ( )2, = ( )8, and ( )16
(ii)(ABCD)16 = ( )2, = ( )8, and ( )10 / 2
b / Add 13 and 15 using Binary Values… / 2
a / Define ROM and also its types. / 2
b / What are Input and Output devices? / 2
a / What is Indentation? / 1
b / Explain the following terms:
(i)Robustness
(ii)Comments
(iii)Self documenting / 3
c / What is a “Source Code”? What is an “Object Code”? / 2
d / What do you understand Pretty printing? / 2
e / What are the steps to create an efficient and effective program? / 2
a / What is difference between Object and Class? Explain with examples. / 1
b / Define the following
i)Data Abstraction
ii)Modularity / 1
a / What are tokens? / 1
b / Out of the following, which are valid character constants in C++:
‘c’ , ‘abc’ , “abc” , my , main’s , ‘ “ ‘ , ‘char, ‘\\’ / 1
c / Why is it important to include iostream.h in C++ Program? / 1
d / Find out the errors, if any in the following C++ Statements, write correct.
I)CoutValue a;
II)m=10; n=4; o=12
III)cout “x”; <x;
IV)cin>;x>y
V)cin>”\n”>z;
VI)cout>|n “abc”; / 3
a / Explain the difference among
0 , ‘0’ , “0” and ‘\0’ / 2
b / Explain the difference between identifiers and literals. / 2
c / What are data types? What are fundamental data types in C++? / 2
a / Write the corresponding C++ expressions for the following mathematical expressions
i)a2 +b2 +C2
ii)|ex-e|
iii)2-ye2y+4y / 3
b / Evaluate a+ = a++ + ++a if a =30 initally / 2
c / What is tertiary operator? / 1
d / What do you mean by type conversion? Whether it is implicit or explicit? / 2
a / Write a C++ program to check whether the given number is even or odd. / 4
b / What difference is between while and do- while loop2 / 2
c / Write a program using nested loops to produce the following designs:
A
AA
AAA
AAAA / 4
d / Write a program to find the number between any twonumber. / 4
e / Break statement is jump out from which Logics i.e. if/switch/loops / 2
a / Name the header file to which following built-in function belong to:
(i)pow()
(ii)strcmp()
(iii)ceil()
(iv)isupper() / 4
b / Distinguish between ‘isupper()’ and ‘toupper()’ function. / 2
HALF YEARLY EXAMINATION 2010-11
COMPUTER SCIENCE
CLASS XI
BLUE PRINT
MAX MARKS:70
Unit No. / Unit Name / 1 Marks / 2 Marks / 3 Marks / 4 Marks / Total / Marks1
Computer Fundamentals / Computer Overview / 2 (2) / 2 / 16
Working with Operation System / 1(1) / 1(3) / 4
Data Representation / 2(4) / 6
Input, Output and Memory Devices / 2(4) / 4
2 / Programming Methodology / 1(1) / 3(6) / 1(3) / 10 / 10
3 Introduction to C++ / General OOPs Concepts / 2(2) / 2 / 22
Getting Started with C++ / 3(3) / 1(3) / 6
Data Handling / 3(6) / 6
Operators and Expression in C++ / 1(1) / 2(4) / 1(3) / 8
4 Programming in C++ / Flow of Control / 2(4) / 3(12) / 16 / 22
Standard Library Functions / 1(2) / 1(4) / 6
Numbers in Brackets represent the Marks and Number outside the Brackets are the no. of Questions