Ans:- To act as an interface between user and computer hardware.
Ans:- Kernel.
Ans:- Graphical User Interface.
Ans:- A user interface that allows interaction using icons and graphics.
Ans:- Command Line Interface.
Ans:- Using two or more CPUs in one computer system.
Ans:- An OS that allows multiple users to use the same computer simultaneously.
Ans:- An OS that supports one user at a time.
Ans:- MS-DOS.
Ans:- UNIX.
Ans:- Allowing multiple users to share system resources simultaneously
Ans:- An OS that processes data instantly without delay
Ans:- VxWorks.
Ans:- Executing a group of jobs without user interaction.
Ans:- Managing memory, processor, files, and devices.
Ans:- Handling creation, scheduling, and termination of processes.
Ans:- Allocating and deallocating memory space to processes.
Ans:- Organizing, storing, and retrieving data on disks.
Ans:- Controlling and coordinating input/output devices.
Ans:- A request from a program to the OS for a service.
Ans:- The process of starting or restarting a computer.
Ans:- Cold booting and Warm booting.
Ans:- The central part of the OS controlling all operations.
Ans:- Interface between the user and the OS kernel.
Ans:- The part of the OS that reads and executes commands.
Ans:- The structure used by an OS to manage files on storage devices.
Ans:- NTFS (New Technology File System).
Ans:- File Allocation Table.
Ans:- Deciding the order in which processes are executed.
Ans:- The OS component that manages process scheduling.
Ans:- Allocating CPU time to various processes
Ans:- A program in execution.
Ans:- The smallest unit of a process.
Ans:- A situation where two or more processes wait for each other indefinitely.
Ans:- A synchronization tool to manage concurrent processes.
Ans:- A memory management scheme that eliminates the need for contiguous allocation.
Ans:- Using a portion of hard disk as main memory.
Ans:- Moving processes between main memory and disk.
Ans:- Unused memory spaces between allocated areas.
Ans:- To control and operate a specific hardware device.
Ans:- Software designed to operate computer hardware.
Ans:- Programs designed to perform user tasks.
Ans:- Windows 10.
Ans:- An open-source Unix-like operating system.
Ans:- The operating system used in Apple computers.
Ans:- A mobile operating system developed by Google.
Ans:- The operating system used in Apple iPhones.
Ans:- An OS whose source code is freely available.
Ans:- An OS owned and licensed by a company.
Ans:- It doesn’t have a full form; it’s just a name.
Ans:- Ken Thompson and Dennis Ritchie.
Ans:- Basic Input Output System that starts up the OS.
Ans:- A program that loads the OS into memory.
Ans:- A CLI used to execute commands in Windows.
Ans:- The file management utility in Windows.
Ans:- A Windows feature for configuring system settings.
Ans:- A tool to monitor processes and system performance.
Ans:- A database storing OS configuration settings.
Ans:- The main navigation hub in Windows OS.
Ans:- The main screen area where icons and shortcuts appear.
Ans:- A link that provides quick access to files or programs.
Ans:- A folder where deleted files are temporarily stored.
Ans:- A power-saving state that saves all data to disk.
Ans:- A low-power state that pauses the system temporarily.
Ans:- The bar that shows running programs and system notifications.
Ans:- The suffix at the end of a filename that defines its type.
Ans:- An executable file that runs a program.
Ans:- A batch file containing a list of commands.
Ans:- A diagnostic startup mode in Windows.
Ans:- A utility to manage disk drives and partitions.
Ans:- The process of rearranging fragmented data for efficiency.
Ans:- A service for installing software updates in Windows OS.
Ans:- A feature that restores system files to a previous state.
Ans:- Setting programs or tasks to run automatically at specific times.
Ans:- Disk Operating System.
Ans:- DIR.
Ans:- CD
Ans:- CLS.
Ans:- COPY.
Ans:- DEL.
Ans:- The command interpreter for MS-DOS.
Ans:- ls.
Ans:- cd.
Ans:- rm.
Ans:- pwd.
Ans:- cat.
Ans:- Operating System.
Ans:- Protection of OS resources from unauthorized access.
Ans:- A profile that allows access to an OS with specific permissions.
Ans:- An account with full control over system settings.
Ans:- A limited access account for temporary users.
Ans:- Rules that define who can read, write, or execute a file.
Ans:- The area showing time, volume, and network icons.
Ans:- The efficiency with which an OS utilizes resources.
Ans:- A record of previously entered commands.
Ans:- A state where the OS stops working due to an error.