IGNOU BCOS 183 Important Questions With Answers English Medium

 IGNOU BCOS 183 Important Questions With Answers English Medium

IGNOU BCOS 183 Important Questions With Answers English Medium-
BCOS 183 Computer Application in Business is a skill enhancement course offered in the 3rd semester of the B.Com program under the CBCS scheme. It aims to familiarize students with how computers are used in various business functions and how they can aid in making informed business decisions.

IGNOU BCOS 183 Important Questions With Answers English Medium

Course Structure:

  • Block-1 Fundamentals of Computers
  • Block-2 Data Handling
  • Block-3 Word Processing
  • Block-4 Power Point Presentation and Multimedia
  • Block-5 Spreadsheets and Business Applications

Q.1 Discuss in detail about various Hardware and Software components of a computer system

IGNOU BCOS 183 Important Questions With Answers English Medium-A computer system operates through a complex interplay of hardware and software components, each fulfilling distinct roles to facilitate its functionality. Hardware encompasses the physical elements of the computer, while software consists of the intangible programs and applications that drive its operations. Let's explore each category in detail.

Hardware Components:

Central Processing Unit (CPU): Often likened to the computer's brain, the CPU is responsible for executing instructions, performing calculations, and managing data flow. It consists of an arithmetic logic unit (ALU) for mathematical operations and a control unit to interpret and execute instructions.

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Motherboard: Serving as the central hub, the motherboard connects all essential components of the computer system. It hosts the CPU, memory modules, storage devices, and other critical peripherals, enabling seamless communication among these elements via buses and ports.

Memory (RAM): Random Access Memory (RAM) acts as temporary storage for data and instructions required by the CPU for immediate processing. It holds information dynamically and is volatile, meaning its contents are lost when the computer is powered off.

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Storage Devices: Devices like hard disk drives (HDDs) and solid-state drives (SSDs) provide long-term storage for data. HDDs use spinning disks and magnetic heads to read and write data, while SSDs utilize flash memory chips for faster access times and increased durability.

Input Devices: Keyboards, mice, touchpads, and other input devices enable users to interact with the computer system by providing commands, entering text, and navigating interfaces.

IGNOU BCOS 183 Important Questions With Answers English Medium-Output Devices: Output devices, including monitors, printers, speakers, and projectors, display or transmit information generated by the computer system to users in various formats.

Graphics Processing Unit (GPU): The GPU specializes in rendering graphics, images, and videos, thereby enhancing the performance of graphical applications like games, multimedia editing software, and 3D modeling programs.

Power Supply Unit (PSU): The PSU converts electrical power from the outlet into the necessary voltage and current required by the computer components, ensuring stable and reliable power distribution.

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Expansion Cards: These cards, inserted into expansion slots on the motherboard, add extra functionality to the computer system. Examples include graphics cards, sound cards, network adapters, and storage controllers.

Cooling System: Comprising fans, heat sinks, and sometimes liquid cooling solutions, the cooling system prevents overheating by dissipating heat generated by the CPU, GPU, and other components.

Software Components:

Operating System (OS): The OS serves as an intermediary between hardware and software, managing resources, facilitating communication between devices and applications, and providing a user interface for interaction.

Device Drivers: These software programs enable the OS to communicate with and control hardware devices by translating high-level commands into low-level instructions understandable by the hardware.

System Utilities: Utilities perform various tasks such as disk management, file system maintenance, system diagnostics, and performance optimization to ensure smooth operation of the computer system.

Applications Software: Applications software consists of programs designed to perform specific tasks for end-users, including productivity suites, web browsers, multimedia players, and specialized applications for various purposes.

Programming Languages: Programming languages allow developers to create software applications and scripts that instruct the computer to perform specific tasks, catering to different development needs and environments.

IGNOU BCOS 183 Important Questions With Answers English Medium-Development Tools: These tools assist developers in creating, debugging, and testing software applications, encompassing integrated development environments (IDEs), code editors, compilers, debuggers, and version control systems.

Middleware: Middleware facilitates communication and data exchange between different software applications or components, enabling interoperability and integration across diverse systems.

Firmware: Embedded in hardware devices, firmware controls their operation and functionality, playing a crucial role during the boot process and in device management.

Virtualization Software: Virtualization platforms enable the creation and management of virtual machines (VMs) on a physical computer system, allowing multiple operating systems to run concurrently.

Cloud Computing Platforms: These platforms provide on-demand access to computing resources and services over the internet, offering scalability, flexibility, and cost-effectiveness for various computing needs.

Q.2 What do you understand by a Computer Network ? Briefly discuss the types of computer networks.

Q.3 What is Cyber Security ? Explain three key security principles

Q.4 What is the role of E-payment in commerce ? Briefly explain various technologies involved in E-payment.

Q.5 Briefly discuss the utility and features of Google Docs. How can you work in Google Docs ? Compare MS-Word and Google Docs

Q.6 What is ‘Slide View’ in PowerPoint ? Explain various steps for inserting a graph and diagrams in a slide.

Q.7 What are the ways to organise charts and graphs in an Excel Worksheet ?
Q.8 How can we ‘add’, ‘delete’, ‘group’ or ‘ungroup’ worksheets ? Explain with the help of an example

Q.9 Data collection shall happen by means of systematic observations of Problem Statement related tests

Q.10 Frequency distribution table is a useful statistic that shows the separate values for various outcomes in a sample data set.

Q.11 ‘‘A computer is basically a programmable electronic device which accepts data, performs operations on the given data and presents the results.’’ Elucidate.

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Q.12 What do you understand by plastic money ? How was plastic money originated ?

Q.13 Discuss in detail about the various components of mail merge. Explain the process of mail merge in three steps.

Q.14 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.

Q.15 Explain the principles 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.


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