BCA Semester 1 – Computer Fundamentals and Applications – Unit 3: Operating System

What is Operating system? Explain the major functions of Operating System.

Consider the following structure and answer the questions:

E:\ROOT ├── dir_1 │ └── file_1.txt ├── file_2.txt ├── dir_3 ├── dir_2 └── file_2.txt

a) Write down DOS command to create the above files and directories. b) Write down DOS command to move all text files into dir_3 directory. c) Write DOS command to delete dir_1 directory. d) Hide the root directory from E drive.

Define operating system. Explain the open-source operating system.

Explain any five DOS commands with suitable examples.

"Operating system works as user interface." Justify this statement with a suitable example.

What role does the operating system play in managing resources? Give an example to illustrate.

What is Open Source operating System? Explain major functions of Operating System.

Write DOS commands with example to perform following tasks.
a) Retrieve the IP address of a specific website.
b) Move the files from one location to another.
c) Delete existing non-empty directory.
d) Search for a specific file or directory.
e) Check the available disk space on a driver.

Utility software helps to maintain proper and smooth functioning of a computer system. Justify it with proper examples.

What is primary memory? Differentiate between static and dynamic RAM.

Define CLI and GUI based operating systems. Also explain type of operating system.

a) What are the uses of word processing software? List and explain the major controls available in Layout tab of MS-word.b) Write DOS commands for the following tasks: i. To create two folders Folder1 and Folder2 at the current prompt directory ii. To create files file1.txt in Folder1 and file2.txt in Folder2 directories iii. To copy the content of file1.txt to file2.txt iv. To rename the file File2.txt as CopiedFile.txt v. To locate the IP address of your network