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: RAM
Explanation: RAM loses data when power is turned off.
Answer: RAM
Explanation: RAM is primary memory, not secondary.
Answer: MICR
Explanation: MICR (Magnetic Ink Character Recognition) is an input device used for reading.
Answer: Bytes
Explanation: Memory capacity is commonly measured in bytes (KB, MB, GB, etc.).
Answer: File
Explanation: Fields are individual data items stored in records within files.
Answer: A technique to allow a program larger than main memory to run
Explanation: It uses disk space to simulate extra RAM.
Answer: Secondary Memory
Explanation: Secondary memory (like HDD, SSD) stores data permanently.
Answer: CD-ROM
Explanation: CD-ROM is a type of secondary, optical storage.
Answer: Cannot be null
Explanation: A primary key uniquely identifies a record and must not be null.
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Answer: None of these
Explanation: Correct term is usually “schema” or “record structure,” not listed here.
Answer: Digital
Explanation: Digital cameras capture and store photos in electronic format.
Answer: NTLDR
Explanation: NTLDR is the bootloader used in older versions of Windows.
Answer: Application Software
Explanation: Application software serves end-user needs like word processing or design.
Answer: An Adaptive System
Explanation: Adaptive systems adjust behavior based on environmental input.
Answer: ROM
Explanation: ROM is non-volatile and stores firmware.
Answer: Mouse
Explanation: The mouse is commonly used in graphics and drawing software.
Answer: System Software
Explanation: These support system-level operations and device interaction.
Answer: Storage Device
Explanation: Pen drives (USB flash drives) store data and files.
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Answer: RAM
Explanation: Virtual memory size depends on RAM and system configuration.
Answer: Unicode
Explanation: Unicode supports international character representation.
Answer: Application
Explanation: Writer is a word processing application in LibreOffice.
Answer: OSS (Open Source Software)
Explanation: LibreOffice is free and open-source software.
Answer: All of the Above
Explanation: All options are or were used for word processing.
Answer: Insert → Header
Explanation: The Header option is found under the Insert menu.
Answer: Cut followed by Paste
Explanation: “Cut-Paste” moves, while “Copy-Paste” duplicates.
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