About this quiz
Full Computer Operator Paper I mock: 20 general awareness and public management questions and 30 computer job-knowledge questions.
This Lok Sewa practice set has 50 multiple-choice questions (Subject: Computer Operator Paper I (General Awareness, Public Management and Computer Knowledge) · For: Computer Operator · Level: Mixed). Take the quiz above first; after that, use the study list below to revise every question with its correct answer and a short explanation.
Study list: all 50 questions with answers and explanations
An electric motor changes:
- A) Mechanical energy into electrical energy
- B) Electrical energy into mechanical energy ✔
- C) Heat into electricity
- D) Light into electricity
Why: A motor turns electrical energy into motion; a generator does the opposite.
Mount Everest and Kanchenjunga both lie in which province?
- A) Bagmati
- B) Koshi ✔
- C) Gandaki
- D) Madhesh
Why: Everest is in Solukhumbu and Kanchenjunga is in Taplejung, both districts of Koshi Province.
Areas above 5,000 m have which climate?
- A) Subtropical
- B) Temperate
- C) Tundra (arctic) ✔
- D) Tropical
Why: Above 5,000 m the climate is tundra with permanent snow.
A person cannot see far objects clearly. Which defect is this and which lens corrects it?
- A) Hypermetropia, convex lens
- B) Myopia, convex lens
- C) Myopia, concave lens ✔
- D) Hypermetropia, concave lens
Why: In myopia the image forms in front of the retina, and a concave lens corrects it.
Aid from the World Bank or ADB is:
- A) Bilateral aid
- B) Multilateral aid ✔
- C) Private aid
- D) Remittance
Why: Aid from the World Bank or ADB comes from an organisation funded by many countries, so it is multilateral aid. Aid from one country is bilateral.
Which is a human resource of an office?
- A) Computer
- B) Budget
- C) Staff ✔
- D) Building
Why: Staff are the human resource of an office. A computer and a building are physical resources, and the budget is a financial resource.
Where were the 20th Asian Games held in 2026?
- A) Aichi and Nagoya, Japan ✔
- B) Hangzhou, China
- C) Jakarta, Indonesia
- D) Doha, Qatar
Why: The 20th Asian Games were held in Aichi and Nagoya, Japan, from 19 September to 4 October 2026.
Gautam Buddha International Airport is in:
- A) Bhairahawa ✔
- B) Pokhara
- C) Nepalgunj
- D) Biratnagar
Why: It is in Bhairahawa, Rupandehi.
Which writ is issued to produce an illegally detained person before the court?
- A) Mandamus
- B) Habeas corpus ✔
- C) Certiorari
- D) Quo warranto
Why: Habeas corpus protects against illegal detention.
What is the official height of Sagarmatha announced in 2020?
- A) 8,848 m
- B) 8,850 m
- C) 8,848.86 m ✔
- D) 8,844.43 m
Why: Nepal and China announced 8,848.86 m on 8 December 2020.
Sagarmatha was first climbed on:
- A) 29 May 1953 ✔
- B) 15 August 1947
- C) 29 May 1963
- D) 1 January 1953
Why: Hillary and Tenzing reached the top on 29 May 1953.
A smart watch that tracks heart rate and sends data to a phone is an example of:
- A) Internet of Things ✔
- B) Blockchain
- C) Virtual reality
- D) Big data
Why: It is an everyday object with sensors connected to the internet, which is IoT.
The right to privacy is in Article:
- A) 28 ✔
- B) 27
- C) 26
- D) 29
Why: Article 28 of the Constitution of Nepal protects the right to privacy of a person, home, property, documents, data and correspondence.
Which province has the largest population?
- A) Bagmati
- B) Madhesh ✔
- C) Lumbini
- D) Koshi
Why: Madhesh Province is the most populous.
A no-confidence motion can be tabled by at least:
- A) One-tenth of members
- B) One-fourth of members ✔
- C) Half of members
- D) Two-thirds of members
Why: Under Article 100(4), a no-confidence motion against the Prime Minister needs the signatures of at least one-fourth of the total members of the House of Representatives.
Which is the second largest religion in Nepal according to the 2078 census?
- A) Islam
- B) Buddhism ✔
- C) Kirat
- D) Christianity
Why: Buddhism is followed by about 8.21% of the population, after Hinduism.
The annual report on Part 4 is laid before:
- A) Federal Parliament ✔
- B) Supreme Court
- C) Council of Ministers
- D) Provincial Assembly
Why: The President has it laid before Parliament.
Temporary unemployment while changing jobs is:
- A) Frictional ✔
- B) Cyclical
- C) Seasonal
- D) Disguised
Why: Frictional unemployment is short-term unemployment while people move between jobs. Cyclical unemployment comes from recessions, and seasonal from changes in seasons.
The hierarchy of needs theory was given by:
- A) Maslow ✔
- B) Herzberg
- C) McGregor
- D) Weber
Why: Abraham Maslow gave the hierarchy of needs (1943): physiological, safety, social, esteem and self-actualisation. Herzberg gave the two-factor theory.
How many duties are listed in Article 48?
- A) 2
- B) 4 ✔
- C) 6
- D) 10
Why: Article 48 lists four duties: protect the nation's sovereignty and integrity, abide by the Constitution and law, render compulsory service when required, and protect public property.
Which is NOT a cloud service provider?
- A) Amazon Web Services
- B) Microsoft Azure
- C) Adobe Photoshop ✔
- D) Google Cloud
Why: Photoshop is image-editing software; the others are major cloud providers.
The SQL function that gives the average is:
- A) SUM()
- B) AVG() ✔
- C) COUNT()
- D) MIN()
Why: AVG() returns the average (mean) of the values in a column. SUM() adds them, COUNT() counts rows and MIN() gives the smallest value.
Nepal's law protecting personal information is the:
- A) Privacy Act 2075 ✔
- B) Electronic Transactions Act 2063
- C) Muluki Civil Code 2074
- D) Right to Information Act 2064
Why: The Individual Privacy Act 2075 protects personal data.
Headers are inserted from the ____ tab.
- A) Home
- B) Insert ✔
- C) View
- D) Review
Why: In MS Word, headers and footers are added from the Insert tab, using the Header button in the Header & Footer group.
Using public Wi-Fi to log in to official systems is:
- A) Safe
- B) Risky and should be avoided ✔
- C) Required
- D) Recommended
Why: Public Wi-Fi can be insecure.
A cell shows ##### instead of a number. What is the usual reason?
- A) The formula is wrong
- B) The column is too narrow ✔
- C) The file is damaged
- D) The number has decimals
Why: Widening the column shows the value.
Convert 10101111₂ into hexadecimal.
- A) B0
- B) AF ✔
- C) BF
- D) AE
Why: Group in 4s from the right: 10101111₂ = AF₁₆.
Which mobile operating system is based on the Linux kernel?
- A) iOS
- B) Android ✔
- C) Windows Phone
- D) Symbian
Why: Android is built on the Linux kernel.
In a flowchart, the parallelogram shows:
- A) Decision
- B) Input/Output ✔
- C) Process
- D) Start/End
Why: Parallelograms show input or output.
What is the main job of the Control Unit (CU)?
- A) To direct and coordinate all parts of the computer ✔
- B) To store data permanently
- C) To print the results
- D) To perform all calculations
Why: The CU fetches and decodes instructions and tells other parts what to do; it does not process data itself.
Software that protects against viruses is:
- A) Spyware
- B) Antivirus ✔
- C) Adware
- D) Ransomware
Why: Antivirus software detects, blocks and removes viruses and other malware. Spyware, adware and ransomware are themselves types of malware.
The alt attribute of an image is used for:
- A) Image alignment
- B) Image size
- C) Image border
- D) Alternate text if the image does not load ✔
Why: The alt attribute gives alternate text that is shown if the image fails to load and is read aloud by screen readers for blind users.
What is the file extension of an MS Access 2016 database?
- A) .mdb
- B) .accdb ✔
- C) .dbf
- D) .acs
Why: From Access 2007 onwards databases are saved as .accdb.
Which device sends data only to the correct computer using the MAC address?
- A) Hub
- B) Switch ✔
- C) Repeater
- D) Modem
Why: A switch learns MAC addresses and forwards data only to the right port.
MS Word is an example of:
- A) System software
- B) Word processing software ✔
- C) Spreadsheet software
- D) Database software
Why: MS Word is a word processor, which is application software for documents.
A nibble equals:
- A) 8 bits
- B) 2 bits
- C) 16 bits
- D) 4 bits ✔
Why: A nibble is 4 bits, which is half a byte (8 bits). One nibble can be shown as a single hexadecimal digit.
A webcam is a/an:
- A) Output device
- B) Input device ✔
- C) Storage device
- D) Printer
Why: It captures images and video.
Which statement is correct?
- A) AI is a part of deep learning
- B) Machine learning is a part of deep learning
- C) Deep learning is a part of machine learning ✔
- D) They are unrelated
Why: Deep learning is part of machine learning, which is part of AI.
Removing all rows but keeping the table structure is done by:
- A) DROP
- B) ALTER
- C) CREATE
- D) TRUNCATE ✔
Why: TRUNCATE removes all rows but keeps the table and its columns. DROP deletes the whole table, including its structure.
Software that harms a computer, such as a virus or worm, is called:
- A) Malware ✔
- B) Firmware
- C) Freeware
- D) Middleware
Why: Malware means malicious software, such as viruses, worms, trojans and ransomware. Firmware is built-in device software and freeware is free software.
Correct words per minute = ?
- A) Total words ÷ 5
- B) (Total words − wrong words) ÷ 5 ✔
- C) Wrong words × 5
- D) Total words × 5
Why: (Total − wrong) ÷ 5.
Video calling over the internet is an example of:
- A) FTP
- B) DNS
- C) VoIP ✔
- D) DHCP
Why: VoIP (Voice over Internet Protocol) carries voice and video calls over the internet, as in Viber, WhatsApp or Zoom calls.
Which CSS property changes text size?
- A) text-size
- B) font-size ✔
- C) size
- D) font-weight
Why: The CSS property font-size sets the size of text, for example font-size: 16px. font-weight sets boldness, not size.
Which feature controls the design of all slides at once, such as a logo on every slide?
- A) Slide Sorter
- B) Slide Master ✔
- C) Speaker notes
- D) Transition
Why: Changes made in the Slide Master apply to every slide.
An IPv6 address has how many bits?
- A) 128 ✔
- B) 32
- C) 64
- D) 256
Why: An IPv6 address has 128 bits, written as eight groups of hexadecimal numbers. The older IPv4 address has only 32 bits.
Joining two or more table cells into one cell is called:
- A) Split Cells
- B) Merge Cells ✔
- C) Insert Row
- D) AutoFit
Why: Merge Cells combines selected cells into one.
The shortcut to open Task Manager directly is:
- A) Ctrl+Alt+Tab
- B) Alt+F4
- C) Ctrl+Shift+Esc ✔
- D) Ctrl+P
Why: Ctrl+Shift+Esc opens Task Manager directly in Windows. Ctrl+Alt+Del opens a menu first, and Alt+F4 closes the active window.
Which is both an input and output device?
- A) Touchscreen ✔
- B) Keyboard
- C) Mouse
- D) Monitor
Why: Touchscreens show output and take touch input.
In the Vs of big data, Velocity refers to:
- A) The size of data
- B) The different types of data
- C) The speed at which data is produced and processed ✔
- D) The accuracy of data
Why: Velocity is the speed of data; Volume is size, Variety is type and Veracity is accuracy.
Repetition of the same data in many places is:
- A) Data integrity
- B) Data redundancy ✔
- C) Data security
- D) Data independence
Why: Redundancy wastes space and causes errors.