BT-205 Basic Computer Engineering - Nov 2022 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aDiscuss the classification computer with examples.
   How to answer

   • Classification criteria: by size, processing power, and purpose
   • Major types: Supercomputer, Mainframe, Minicomputer, Microcomputer/Workstation
   • Key characteristics of each category
   • Real-world examples for each type
2. 7 Marks
   bDefine Operating System. Briefly explain the function.
   How to answer

   • Definition of Operating System as an interface between user and hardware
   • Primary functions: Processor/Process Management, Memory Management
   • File System Management and Device/IO Management
   • Security and error detection services
3. 7 Marks
   aWhat is a Programming language? Differentiate Assembly level language and High Level language.
   How to answer

   • Definition of Programming Language
   • Tabular comparison between Assembly Language and High-Level Language
   • Comparison on points: readability, portability, execution speed, translation required (assembler vs compiler/interpreter)
   • Examples of each
4. 7 Marks
   bWhy Algorithm writing and drawing flow chart is necessary before writing a computer program?
   How to answer

   • Need for systematic problem-solving approach
   • Benefits of algorithms: clarity, step-by-step logic, language independence
   • Benefits of flowcharts: visual representation, easier logic tracing, easier debugging
   • Reduction of programming errors and saving development time
5. 7 Marks
   aHow Function overloading and operator overloading is done? Explain them with a simple program.
   How to answer

   • Concept of Function Overloading (different parameter lists/types)
   • Example C++ program for function overloading
   • Concept of Operator Overloading using operator keyword
   • Example C++ program for operator overloading (e.g., '+' operator for complex numbers)
6. 7 Marks
   bWrite a C++ program to insert and delete an element from stack.
   How to answer

   • Stack structure definition using class or array with top pointer
   • Push operation code with overflow condition check
   • Pop operation code with underflow condition check
   • Main function to demonstrate insertion and deletion
7. 7 Marks
   aDifferentiate ISO-OSI with TCP/IP.
   How to answer

   • Layer comparison diagram (7 layers of OSI vs 4/5 layers of TCP/IP)
   • Key differences: theoretical vs practical implementation
   • Differences in service, interface, and protocol decoupling
   • Transport and Network layer design comparison
8. 7 Marks
   bWhat is a firewall? How can it provide security to the system?
   How to answer

   • Definition of Firewall as a network security system
   • Working mechanism: inspecting incoming and outgoing traffic against security rules
   • Types of firewalls (Packet filtering, Stateful inspection, Application proxy)
   • Security benefits: blocking unauthorized access, preventing malware/attacks, traffic logging
9. 7 Marks
   aExplain DDL and DML commands with a suitable examples.
   How to answer

   • Definition and purpose of DDL (Data Definition Language)
   • Common DDL commands with syntax/examples (CREATE, ALTER, DROP, TRUNCATE)
   • Definition and purpose of DML (Data Manipulation Language)
   • Common DML commands with syntax/examples (SELECT, INSERT, UPDATE, DELETE)
10. 7 Marks
    bExplain different types of clouds.
    How to answer

    • Overview of Cloud Computing deployment models
    • Public Cloud: features, advantages, examples (AWS, Azure)
    • Private Cloud: features, security, use cases
    • Hybrid Cloud: integration of public and private clouds
    • Community Cloud: shared infrastructure among specific organizations
11. 14 Marks
    Write short notes on:

    1. a)BUS Architecture
    2. b)MS Word Vs MS Excel
    3. c)Polymorphism
    How to answer

    • BUS Architecture: System bus components (data, address, and control buses) and their functions
    • MS Word vs MS Excel: Word processor vs spreadsheet software, tabular comparison of functions and use cases
    • Polymorphism: Concept in OOP, compile-time vs run-time polymorphism with brief examples
12. 7 Marks
    aWhat is an Array? Explain different types of Arrays with syntax and suitable example programs.
    How to answer

    • Definition of an Array (contiguous memory, homogeneous elements)
    • Types of arrays: One-dimensional and Multi-dimensional (2D/3D)
    • Syntax for declaration and initialization of each type
    • Simple example program/code snippet for 1D and 2D array demonstration
13. 7 Marks
    bWhat is E-Commerce? Write the advantages and disadvantages.
    How to answer

    • Definition of Electronic Commerce (E-Commerce)
    • Key advantages: 24/7 availability, global reach, cost reduction, wide choices
    • Key disadvantages: security concerns, lack of personal touch, delivery delays, technology dependence
14. 14 Marks
    Write short notes on:

    1. a)Cloud Infrastructure
    2. b)DBA
    3. c)Logic Bombs
    How to answer

    • Cloud Infrastructure: Hardware and software components (servers, storage, network, virtualization) powering cloud services
    • DBA (Database Administrator): Role, duties (installation, performance tuning, security, backup & recovery)
    • Logic Bombs: Definition as malicious code inserted to execute under specific trigger conditions, consequences and prevention