(IX) Ch-7 Operating System

1. Fill in the blanks: a) operating b) MS-DOS c) memory d) deleted e) multi-user f) Esc 2. State true or false: a) False b) True c) False d) False e) True f) True 3. Technical terms: a) Window b) Icon c) Operating System d) Mouse Pointer e) Single User Operating System f) Task Bar g) CUI (Character User Interface) 4. Answer the following questions in short: (a) What is program? Ans: Collection codes which perform specific task is called program. (b) What is software? Ans: Collection of programs to perform specific tasks is called software. (c) What is window? Ans: The separate viewing area on a computer display screen in the computer system that allows user to use the applications is called window. (d) What is folder? Ans: A container for programs and files in the windows operating is called folder. (e) What is icon? Ans: Small graphical image used to represent files, folders, document etc is called icon. (f) What is recycle bin? Ans: A special folder of the computer system which is used to store the deleted files. 5. Answer the following questions: a. Define operating system? Give some examples of it. Ans: Collection of system programs which control and coordinate the overall activities of computer system is called operating system. Example of operating system are : Windows 10, Linux, Android, iOS etc. b. List the different functions of operating system and explain any four of them. Ans: Four Functions of operating system The functions of operating systems are: 1. Input Output (I/O) management: OS manages the input and output of computer. This applies to the flow of data among computers, terminals and other devices such as monitors, printers etc. 2. Command Interpreter: The command Interpreter takes a command from the user and then OS translates it into a detailed set of instructions, which computer can understand easily. So, main function of command interpreter is to get and execute the user specified command. In the MS-DOS, command.com is a command interpreter. 3. Data management: OS software also manages the storage and retrieval of data. As the system software handles many of the details associated with the process, such details are not primary concerns for users or programmers writing application programs. 4. Security Management: One of the major tasks of OS is to secure the data and program while loaded into the memory. Anyone program does not allow capturing data space of other program. It maintains memory of each program. It protects hardware and software from improper use. c. What is desktop? List the different components of it. Ans: Desktop is the basic working area of windows which is available after booting the computer. Components of Desktop: - Icon - My Computer (This PC) - Recycle Bin - Start Button - Taskbar, and - shortcuts to applications etc d. Differentiate between single user operating and multi-user operating system. Ans:
Single User Operating System Multi-User Operating System
1. A Single-User Operating System is a system in which only one user can access the computer system at a time.1. A Multi-User Operating System is a system that allows more than one user to access a computer system at one time.
2. Single-User Operating System is simple and easy to design.2. The Multi-User Operating systems are complicated as they have to apply complex techniques to share the resources among various users.
3. Examples: MS-DOS, Windows 95, Windows NT, Windows 2000, Personal Computers, etc.3. Examples: Mainframes, IBM AS400, Linux & Unix Distributed OS, etc.
e. What is dialog box? Write the names of different elements of it. Ans: A dialog box provides different information, buttons, options and other components to do different activities. Different elements of dialog box are: - Text box - Radio Button - Dropdown button - Check box - Command button etc. f. Differentiate between copying and moving file. Ans:
Copying FileMoving File
1. Makes a duplicate of a file1. Transfers the original file to another location
2. File will be available in both place. 2. File will be removed from the original and only available in the destination location.
g. Explain the different types of window. Ans: There are various types of windows, including: - Application Windows: For specific programs like your web browser or word processor. - File Explorer Windows: To navigate your computer's files. - Dialog Boxes: Pop up for tasks like saving or opening files. - Control Panel: A window to configure system settings. h. What is window operating system? Write any four features of it. Ans: Windows operating system is a popular operating system for PCs. Four of its features are: 1. Graphical User Interface (GUI): It has a user-friendly visual interface. 2. Multitasking: It can run multiple programs at once. 3. File Management: It provides tools like File Explorer for file handling. 4. Networking: Supports network connections for sharing resources and internet access.