IGNOU BCOS-183 June 2023 Previous Year Question Paper

Q1.What is computer network ? Briefly discuss the various types of computer network i.e. PAN, LAN, MAN, WAN and HAN. Also, compare the following : Internet, Intranet and Extranet. 2+15+3 [ 2 ]

Q2.Compare and contrast the following : 4×5=20

(a) Graphical Web Browser and Non - Graphical Web Browser

(b) File Storage and File Synchronization

(c) B2B and B2C

(d) Batch Operating System and Real Time Operating System

(e) Application Software and System Software

Q3.How can we relate Business to Information System ? Discuss the relationship of Business with Information system, with suitable block diagram. Also, discuss the Business Information system architecture. (4+8+8)

Q4.How does File Processing System differ from Database Management System (DBMS) ? What are the major functionalities of DBMS ? How is data abstraction achieved in RDBMS ? Discuss with suitable diagram for data abstraction. [ 3 ]

Q5.Explain the pr inciples of cyber security, with suitable example for each. What is Authentication ? How does Authentication differ from Authorization ? Also, explain the role of Penetration testing as a step towards the Information security. (9+2+4+5)

Q6.Write short notes on the following : 4×5=20

(a) Mail Merge and its components in MS - Word

(b) Word Processing and its attributes

(c) Steps to prepare a presentation for a project in MS-PowerPoint

(d) Relative and Absolute addressing in Excel

(e) Financial functions in Excel

Q7.What is Ratio Analysis ? Briefly discuss the following type of Ratios, with example for each : 4×5=20

(a) Current Ratio

(b) Quick Ratio

(c) Gross Profit Ratio

(d) Operating Cost Ratio

Q8.What is CAPTCHA ? Briefly discuss the purpose of CAPTCHA Code. Also, discuss the various types of CAPTCHA Codes. 5+5+10 2023 -183

(ii) 2+15+3 4+8+8 (DBMS) RDBMS 9+2+4+5

(a) MS-Word

(c) MS-PowerPoint [ 8 ]