![ASSEB Class 12 Computer Science Question Paper 2022-23 [HS 2nd Year Computer Science and Application Papers]](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNCZJa9F9xf8fGAayM_9P97CEQ8NexuBm2Flnlum5LZciNJl8lKPI47j4Nr_ofzR-yo-5C_4xmhTYpd5LSkR6VoDwK30wnDqziITSzqBY4JWiqtVBT4QgrTOf23DRQYi-kwTHiep3BeYD-qtTKogUJUgOndTJHTuNoFVQGTYSNhwHWNefePD2eF5QS0t2O/s768/ASSEB%20Class%2012%20Computer%20Science%20Question%20Paper%202022%202023.webp)
2023 – COMPUTER SCIENCE AND APPLICATIONS (Theory)
Full Marks: 70 Pass Marks: 21 Time: Three hours
1. Answer briefly from the following (any eight): (1×8=8)
(a) State one feature of C++.
(b) What is object?
(c) What is class?
(d) What is concrete class?
(e) What is the need of object oriented programming language?
(f) Give example of class and object.
(g) What is data hiding?
(h) Define the term inheritance.
(i) What is a linear data structure?
(j) What is SQL?
(k) What is the need of database?
(l) What is internet?
2. Answer any ten from the following: (2×10=20)
(a) Define polymorphism.
(b) Write the difference between abstract and concrete class.
(c) Define member function.
(d) State the difference between pass by value and pass by reference.
(e) Define constructor.
(f) Define destructor.
(g) Define primitive and non-primitive data structure.
(h) What is the use of tellg() and tellp() functions?
(i) State two different types of data files.
(j) Define a stack.
(k) What is linear search?
(l) Define domain and tuple.
(m) State commutative and distributive law of Boolean algebra.
(n) What is the use of optical fiber?
(o) State two different types of network topologies.
3. Answer any nine from the following: (3×9=27)
(a) Describe the process of writing data into file.
(b) Write three advantages of object oriented programming language over earlier programming methodologies.
(c) Describe the PUSH and POP operations of a stack.
(d) Describe the process of selection sort.
(e) Describe the operations on a queue.
(f) Define the terms relation, primary key and alternate key.
(g) State three advantages of SQL.
(h) State De Morgan’s law along with its applications.
(i) Describe the use of Karnaugh map.
(j) State the use of Boolean operators in search engine queries.
(k) Differentiate circuit switching from packet switching.
(l) Differentiate LAN from WAN.
(m) State the advantages of Java Script.
4. Answer any three from the following: (5×3=15)
(a) Explain the differences between linear and non-linear data structure.
(b) Write a C++ program to add two matrices of order 3×3.
(c) Explain different types of data types used in SQL.
(d) Explain the process of obtaining SOP and POS from a truth table.
(e) Explain the differences between microwave link and satellite link.
(f) Differentiate XML from HTML.
2022 – COMPUTER SCIENCE AND APPLICATIONS (Theory)
Full Marks: 70, Pass Marks: 21, Time: Three hours
1. Answer the following (any eight): (1×8=8)
(a) State two advantages of C++.
(b) What is a class?
(c) What is an object?
(d) State two data types of C++.
(e) Define a data structure.
(f) What is member function?
(g) What is a database?
(h) What is SQL?
(i) What is a binary file?
(j) Define constructor.
2. Answer the following questions (any ten): (2×10=20)
(a) What is function overloading?
(b) Define abstract class and concrete class.
(c) Define a destructor.
(d) State the commutative and associative law of Boolean algebra.
(e) What is packet switching?
(f) Define bandwidth.
(g) State two uses of XML.
(h) Define a queue.
(i) Define a stack.
(j) State two advantages of LAN.
(k) What is data transfer rate?
(l) State the use of Karnaugh map.
(m) What is a base class?
3. Answer any nine from the following: (3×9=27)
(a) Write briefly about the advantages of object-oriented programming language.
(b) State the process of creating and writing text into a file.
(c) Differentiate “pass by value” and “pass by reference”.
(d) Write the codes in C++ to declare and initialize a pointer.
(e) Write SQL to create a table named STUDENT with four fields: SID, SNAME, ADDRESS and MARKS.
(f) Write the differences of text file and binary file.
(g) What are the advantages of using SQL?
(h) Explain the PUSH and POP operations on a stack.
(i) Explain the process of selection sort with an example.
(j) Explain the process of obtaining Sum of Product (SOP) using truth table.
(k) Explain the aggregate functions of SQL.
(l) Explain three different types of network topologies.
(m) Differentiate LAN from WAN.
(n) Write the advantages of JavaScript.
4. Answer any three from the following: (5×3=15)
(a) Write a C++ program to add two matrices of order 4×4.
(b) Write a C++ program to implement binary search in an array.
(c) Explain the concept of multiple inheritance.
(d) Compare XML with HTML.
(e) Write briefly about DDL and DML with example.
(f) Write a C++ program to delete an element from an array.
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