सबै विधालाई समान रूपमा समेटेर तयार पारिएको कम्प्युटर अपरेटर मिक्स मोडल सेट ३ का ५० प्रश्नोत्तरहरू यहाँ छन्।
### Mixed Model Set - 3
१. Which was the first general-purpose electronic computer?
Answer: ENIAC
२. What is the shortcut key to close the active program in Windows?
Answer: Alt + F4
३. Which system utility is used to clean up unnecessary files from a hard drive?
Answer: Disk Cleanup
४. What is the full form of NTFS file system?
Answer: New Technology File System
५. [VVI] What is the shortcut key for double underlining text in MS Word?
Answer: Ctrl + Shift + D
६. Portrait and Landscape are options under:
Answer: Orientation
७. SuperScript effect reduces text size and moves it:
Answer: Above the baseline (e.g., X²)
८. SubScript effect reduces text size and moves it:
Answer: Below the baseline (e.g., H₂O)
९. Which Excel formula calculates the sum of cells from B1 to B10?
Answer: =SUM(B1:B10)
१०. [VVI] What error code is generated in Excel if a column width is too small?
Answer: #######
११. Which function returns the highest number in a given set of data in Excel?
Answer: =MAX()
१२. To insert a line break within a single cell in Excel, press:
Answer: Alt + Enter
१३. In MS Access, which data type is best for large text descriptions up to 64,000+ characters?
Answer: Memo (or Long Text)
१४. Which object is used to present database data in a printable format?
Answer: Report
१५. Referential integrity prevents:
Answer: Orphaned records in related tables
१६. Which PowerPoint view allows you to type notes for yourself for a slide?
Answer: Notes Page View
१७. What is the shortcut key to end a PowerPoint presentation show?
Answer: Esc key
१८. Rehearse Timings option is available under which tab in PowerPoint?
Answer: Slide Show Tab
१९. What is the correct HTML tag for inserting an image?
Answer: <img src="image.jpg">
२०. Which tag is used to create a bulleted (unordered) list in HTML?
Answer: <ul>
२१. What is the full form of URL?
Answer: Uniform Resource Locator
२२. Which network topology requires a central controller or hub/switch?
Answer: Star Topology
२३. What is the speed of standard fast Ethernet?
Answer: 100 Mbps
२४. Which protocol is used to fetch emails from a server to a local client?
Answer: POP3 or IMAP
२५. [VVI] According to Electronic Transaction Act 2063, hacking a computer is subject to:
Answer: Cyber Crime Punishments
२६. 1 Terabyte (TB) is equal to how many Gigabytes (GB)?
Answer: 1024 GB
२७. Which type of printer uses a ribbon and tiny pins to impact characters on paper?
Answer: Dot Matrix Printer
२८. What is the base of Octal number system?
Answer: 8
२९. Which command is used to check IP configuration in Windows Command Prompt?
Answer: ipconfig
३०. [VVI] What is the shortcut key to insert a comment in MS Word?
Answer: Alt + Ctrl + M
३१. Which feature in MS Word tracks changes made to a document?
Answer: Track Changes
३२. What is the maximum number of columns that can be in a Word document layout?
Answer: 45
३३. Which bar displays the current cell address in MS Excel?
Answer: Name Box
३४. [VVI] What does the formula =COUNTBLANK(A1:A5) do?
Answer: Counts the number of empty cells in the range
३५. Which chart type represents parts of a whole as slices of a circle?
Answer: Pie Chart
३६. In MS Access, field size property is only available for which data types?
Answer: Text and Number data types
३७. What is the default field name for primary key in Access?
Answer: ID
३८. Which command is used to add text boxes or headers to all slides at once?
Answer: Slide Master
३९. What is the shortcut key to start slide show from the very first slide?
Answer: F5
४०. Which HTML attribute defines an inline style for an element?
Answer: style attribute
४१. What is the purpose of a Firewall?
Answer: To protect a network from unauthorized external access
४२. Which layer is the first layer of the OSI model?
Answer: Physical Layer
४३. What does Wi-Fi stand for?
Answer: Wireless Fidelity
४४. Modems are used for:
Answer: Modulation and Demodulation of signals
४५. [VVI] Electronic Transaction Act 2063 consists of how many chapters and sections?
Answer: 12 Chapters and 80 Sections
४६. What type of device is a flatbed scanner?
Answer: Input Device
४७. Which component controls the entire operation of a computer system?
Answer: Control Unit (CU)
४८. What is the primary purpose of a device driver software?
Answer: To allow operating system to communicate with hardware devices
४९. In MS Word, what is the shortcut key to change text to ALL CAPS?
Answer: Ctrl + Shift + A
५०. In MS Excel, which feature automatically populates a sequence of data (e.g., Jan, Feb...)?
Answer: AutoFill
### निष्कर्ष
सेट ३ सकियो। अब हामी सेट ४ र ५ तर्फ जानेछौँ।