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Class XI Computer Practice Questions

This document contains practice questions from four chapters of a computer science textbook: 1) Software Concepts - Questions cover system software, operating systems, open source software, booting, language processors, utilities programs, and storage and job scheduling. 2) Data Representation - Questions cover number systems, binary, octal, hexadecimal and decimal conversions, integers in binary form, and two's complement. 3) General Concepts of OOPs - Questions cover low-level and high-level languages, paradigms, assembly language, modules, encapsulation, inheritance, polymorphism, procedural vs OOP. 4) Getting Started with C++ - Questions cover literals, data types, operators, comments,

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119 views2 pages

Class XI Computer Practice Questions

This document contains practice questions from four chapters of a computer science textbook: 1) Software Concepts - Questions cover system software, operating systems, open source software, booting, language processors, utilities programs, and storage and job scheduling. 2) Data Representation - Questions cover number systems, binary, octal, hexadecimal and decimal conversions, integers in binary form, and two's complement. 3) General Concepts of OOPs - Questions cover low-level and high-level languages, paradigms, assembly language, modules, encapsulation, inheritance, polymorphism, procedural vs OOP. 4) Getting Started with C++ - Questions cover literals, data types, operators, comments,

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DHRUV goswami
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Practice Questions (2018-19)

Class – XI (COMPUTER)
Chapter – 1 Software Concept (13 marks)
Section – A: Each question of 1 Mark.
1. Define system software.
2. How application s/w differ from o/s.
3. What do you mean by open source software?
4. Define booting with its sub type.
Section – B: Each question of 2 Marks.
1. Define language processor with its type.
2. Why utilities programs are the part of o/s? Give the use of it.
3. Differentiate between free software & freeware.
4. Define processor management with its use.
Section – C: Each question of 3 Marks.
1. Define Non-Preemptive Job Scheduling with its type.
2. Define Pre-emptive Job Scheduling with its type.
3. What is demand paging? How it is differ from page-out?
4. Define Job scheduling with process state. How many techniques should be used to have best
possible result?
Section – D: Each question of 4 Marks.
1. What do you mean by storage management? Explain with sub types properly.
2. What do you mean by Information management? Explain all in detail.

Chapter – 2 Data Representation (9 marks)


Section – A: Each question of 1 Mark.
1. Define the following :
a) Decimal number system
b) Octal number system
c) Hexadecimal number system
d) Binary number system
Section – B: Each question of 2 Marks.
1. Do as directed :
a) Convert (110011100111)2  (?)10
b) Convert (ACE)16  (?)10  (?)2  (?)8
c) Calculate two‟s complement of (– 99).
d) (185.786)10  (?)2 & (3721.240)8  (?)10
Section – C: Each question of 3 Marks.
1. How the Integer‟s can represent in Binary form? Explain its sub type with an example.
2. Calculate two‟s complement of (777)10 & (999) 10
Chapter – 3 General Concepts of OOPs (13 marks)
Section – A: Each question of 1 Mark.
1. Define LLL & HLL.
2. Define paradigm with its type.
3. Write the terminology & Language translator used in Assembly language.
4. Define module?
Section – B: Each question of 2 Marks.
1. Define the following :
1- Encapsulation
2- Modularity
3- Inheritance
4- Polymorphism
Section – C: Each question of 3 Marks.
1. How the procedural programming is differ from OOPs.
2. How Encapsulation implemented within C++?
Section – D: Each question of 4 Marks.
1. What is modular programming approach? Explain it with an example.
2. Define class & object with C++ program.
OR
Give the detailed advantages & Disadvantages of OOPs.

Chapter-4: Getting Started with C++ (13 Marks in Blueprint)


Section – A: Each question of 1 Mark.
1. What are literals?
2. How many types of integer constants are allowed in C++?
3. What kind of constants are the following: 14, 011, 0X2A, 0.215?
4. How null (\0) is significant in strings in C++?
5. What do you understand by Unary operator?
Section – B: Each question of 2 Marks.
1. Why are characters \, „, “ and ? typed using escaped sequences?
2. Write the following real constants into exponent form: 23.197, 7.214, 0.00005 and 0.319.
3. What kind of program elements are the following: 13, „a‟, 0.13E04, and “a”?
4. Write two-two examples of each one of the following operators: Bitwise, Assignment, Relational,
and class member.
5. What do you understand by header files, and what is need to include them in a C++ program?
Section – C: Each question of 3 Marks.
1. Discuss the types of comments used in C++ program. Also write the importance of using comments.
2. Write the functions of I/O Library.
3. Why function main( ) special? What would happen if main( ) is not present in the program?
Section – D: Each question of 4 Marks.
1. How the correctness of a C++ program can be checked, and who is responsible for correctness of
program? Write about any two type of errors.
2. Write a C++ program that inputs a student‟s marks in five subjects (out of 100) and print the
percentage and average marks.

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