DCM1201 COMPUTER AWARENESS & INTERNET MARCH 2025

Description

SESSION	MARCH 2025
PROGRAM	BACHELOR OF COMMERCE (B.COM)
SEMESTER	II
COURSE CODE & NAME	DCM1201 COMPUTER AWARENESS & INTERNET

 

 

Set – 1

 

Q1. Explain the concept, characteristics, and generations of computers. 2+4+4

Ans1. Concept, Characteristics, and Generations of Computers

Concept of Computers

A computer is an electronic device that takes input, processes it as per given instructions, and provides output in the desired format. It is capable of performing arithmetic and logical operations at high speed and accuracy. The main components of a computer system include hardware, software, input/output devices, and storage. Computers play a central role in almost every field today, including education, business, science, and communication. Their reliability and versatility have made them indispensable in modern life.

Characteristics of Computers

Computers possess several essential characteristics that distinguish them from other devices.

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Q2. Describe the various computer peripherals.  10         

Ans 2.

Various Computer Peripherals

Computer Peripherals

Computer peripherals are external hardware devices connected to the main computing unit to perform specific functions. These devices either provide input, display output, store data, or enable communication between devices. Peripherals improve the functionality and usability of computer systems and are essential for various tasks in both personal and professional settings.

Input Devices

Input peripherals allow users to interact with the computer by sending data or commands.

 

Q3. Outline the functions performed by the different ribbon tabs in MS Word. 10     

Ans 3.

Functions Performed by Different Ribbon Tabs in MS Word

Ribbon Tabs

The ribbon interface in Microsoft Word organizes commands into tabs for better accessibility. Each ribbon tab serves a specific purpose in document creation, formatting, and management. Understanding the function of each tab helps users work more efficiently and professionally in Word.

Home Tab

The Home tab contains the most commonly used commands for formatting and editing. In the Clipboard group, users can cut, copy, paste, and use the format painter. The Font group lets

 

 

Set – 2

 

Q4. Discuss in detail about the various types of storage devices.  10       

Ans 4.

Various Types of Storage Devices

Storage Devices

Storage devices are hardware components used to store digital data. They retain data either temporarily or permanently and are essential for saving files, applications, and system information. Storage devices can be internal or external and are broadly categorized into primary and secondary storage.

Primary Storage Devices

Primary storage is the computer’s main memory. The most common types include:

• Random Access Memory (RAM): RAM is volatile memory used to store data

 

 

Q5. Explain the concept and functions performed by an operating system.      

Ans 5.

Concept and Functions of an Operating System

An operating system (OS) is system software that acts as an interface between computer hardware and the user. It manages hardware resources and provides an environment where application software can run. Without an operating system, a user cannot communicate with the computer. Popular operating systems include Windows, macOS, Linux, and Android.

Process Management

One of the core functions of an OS is process management. It handles the creation, scheduling, and termination of processes. The OS ensures that each process gets adequate

 

 

Q6. Describe the different types of networks.                   

Ans 6.

Different Types of Networks

Computer Networks

A computer network is a system of interconnected computers and devices that communicate and share data and resources. Networking allows for file sharing, communication, access to applications, and efficient resource usage. Networks vary in size, structure, and purpose, and are classified into different types based on their scale and design.

Personal Area Network (PAN)

A PAN is the smallest type of network, covering a very limited area, usually a few meters. It