Ace your NIELIT O Level Exam with our carefully selected important questions and clear answers. Ideal for quick revision, smart preparation, and guaranteed confidence on exam day.
Important Questions and Answers for NIELIT O Level Exam
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Answer: PASCAL
Explanation: PASCAL is a programming language, not an OS.
Answer: All of these
Explanation: Unix is portable, multiuser, and multitasking.
Answer: Context Switching
Explanation: Context switching allows switching between processes in multitasking.
Answer: Control Panel
Explanation: Printers are configured via Control Panel in Windows.
Answer: All of the above
Explanation: OS manages resources, scheduling, and I/O operations.
Answer: Control Panel
Explanation: Control Panel allows access to system settings and program management.
Answer: File Management
Explanation: File management involves creating, moving, and organizing files.
Answer: DOS
Explanation: DOS is a single-tasking OS.
Answer: Interactive multi-user multi-programming approach
Explanation: Time-sharing allows multiple users to use the system concurrently.
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Answer: Safe Mode
Explanation: Safe Mode runs Windows with minimal drivers and services.
Answer: Jigger system
Explanation: There’s no such OS type; it’s likely a distractor.
Answer: Hard Copy
Explanation: Hard copy refers to a physical printout of digital data.
Answer: Windows
Explanation: Windows is a system software (OS), not application software.
Answer: A command entered by the user to be executed by the shell
Explanation: The shell reads and executes user commands in Unix.
Answer: Recycle Bin
Explanation: Deleted files are moved to Recycle Bin temporarily.
Answer: Desktop Manager
Explanation: The desktop environment is loaded after GUI startup.
Answer: System Partition
Explanation: Boot.ini resides in the root of the system drive (usually C:).
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