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
HDI is published by:
- A) World Bank
- B) IMF
- C) UNDP ✔
- D) WTO
Why: UNDP publishes the Human Development Report.
Too many hierarchy levels cause:
- A) Distortion and delay ✔
- B) Faster messages
- C) Better accuracy
- D) No change
Why: Each level can change or delay the message.
A solar eclipse can happen only on:
- A) A new moon day ✔
- B) A full moon day
- C) Any day of the month
- D) The first quarter day
Why: In a solar eclipse the Moon is between the Sun and Earth, which happens at new moon (Aunsi).
In good office layout, work should flow:
- A) Back and forth
- B) In a straight line ✔
- C) In circles
- D) Randomly
Why: In a good office layout, work flows in a straight line from one desk to the next. This avoids back-and-forth movement and delay.
A good whose demand falls when income rises is an:
- A) Inferior good ✔
- B) Normal good
- C) Luxury good
- D) Public good
Why: Consumers switch to better goods as income rises.
How many commissions are placed in Part 27 of the Constitution?
- A) Seven ✔
- B) Five
- C) Six
- D) Thirteen
Why: Part 27 has the Women, Dalit, Inclusion, Adibasi Janajati, Madhesi, Tharu and Muslim Commissions.
Shirish ko Phool was written by:
- A) Parijat ✔
- B) Devkota
- C) Bhupi Sherchan
- D) Sama
Why: "Shirish ko Phool" is a novel by Parijat. It won the Madan Puraskar in 2022 BS.
Penicillin was discovered by:
- A) Edward Jenner
- B) Alexander Fleming ✔
- C) Louis Pasteur
- D) Jonas Salk
Why: Alexander Fleming discovered penicillin in 1928, the first antibiotic. Edward Jenner developed the smallpox vaccine.
A report is a written, organised statement of:
- A) Facts, findings and suggestions ✔
- B) Only opinions
- C) Only rumours
- D) Only greetings
Why: A report is a written, organised statement of facts, findings and suggestions on a subject, prepared for someone who must decide or act.
Mushroom belongs to kingdom:
- A) Plantae
- B) Monera
- C) Fungi ✔
- D) Protista
Why: Mushrooms belong to the kingdom Fungi. They have no chlorophyll and get food from dead or decaying matter.
Which Rana prime minister removed the C-class Ranas from the roll of succession in 1990 BS?
- A) Chandra Shumsher
- B) Juddha Shumsher ✔
- C) Bir Shumsher
- D) Mohan Shumsher
Why: Chandra had created the A, B and C classes; Juddha Shumsher expelled the C-class Ranas from the roll in 1990 BS.
Who became king after Rajendra was removed?
- A) Surendra Bikram Shah ✔
- B) Prithvi Narayan Shah
- C) Tribhuvan
- D) Girvan Yuddha
Why: Surendra Bikram Shah became king.
A step-by-step guide for carrying out a task is a:
- A) Procedure (कार्यविधि) ✔
- B) Ordinance
- C) Constitution
- D) Gazette
Why: Karyabidhi explains how to do the work.
The Karnali river, home to the Gangetic dolphin, flows along the edge of which national park?
- A) Parsa
- B) Chitwan
- C) Shuklaphanta
- D) Bardiya ✔
Why: The Karnali river along Bardiya National Park is home to the Gangetic dolphin.
Concurrent powers of the federation and province are in:
- A) Schedule 6
- B) Schedule 7 ✔
- C) Schedule 8
- D) Schedule 9
Why: Schedule 7 lists 25 concurrent federal-provincial powers.
The supreme leader of the People's Movement 2046 was:
- A) B.P. Koirala
- B) Ganesh Man Singh ✔
- C) Girija Prasad Koirala
- D) Man Mohan Adhikari
Why: Ganesh Man Singh was the supreme leader.
Which is a risk to paper records?
- A) Insects and fire ✔
- B) Good ventilation
- C) Locked cabinets
- D) Indexing
Why: Insects and fire damage records.
Which river is generally regarded as the longest river of Nepal?
- A) Koshi
- B) Gandaki
- C) Karnali ✔
- D) Bagmati
Why: The Karnali, which rises in Tibet and enters Nepal in Humla, is regarded as Nepal's longest river.
Which were the three Malla kingdoms of the Kathmandu valley?
- A) Kathmandu, Lalitpur and Bhaktapur ✔
- B) Kathmandu, Kirtipur and Nuwakot
- C) Lalitpur, Makwanpur and Gorkha
- D) Bhaktapur, Banepa and Nuwakot
Why: The valley was divided into the kingdoms of Kathmandu (Kantipur), Lalitpur (Patan) and Bhaktapur.
The League of Nations was formed after the:
- A) First World War ✔
- B) Second World War
- C) French Revolution
- D) Cold War
Why: It was formed in 1920.
What is the shortcut for AutoSum?
- A) Alt + = ✔
- B) Ctrl + S
- C) Ctrl + =
- D) Shift + S
Why: Alt + = inserts the SUM function automatically.
Convert 100 (decimal) into hexadecimal.
- A) 65
- B) 64 ✔
- C) 74
- D) 63
Why: 100 ÷ 16 = 6 remainder 4, so 100 in decimal is 64 in hexadecimal (6 × 16 + 4 = 100).
The Linux kernel was first written by:
- A) Bill Gates
- B) Steve Jobs
- C) Linus Torvalds ✔
- D) Dennis Ritchie
Why: Linus Torvalds released the Linux kernel in 1991.
Which translator converts the whole high-level program into machine code at once?
- A) Compiler ✔
- B) Interpreter
- C) Assembler
- D) Loader
Why: A compiler translates the entire program at one time and saves the object code.
Why is RAM called volatile memory?
- A) It can only be read, not written
- B) It is placed outside the computer
- C) It stores data on a disk
- D) Its contents are lost when the power goes off ✔
Why: RAM holds data only while the computer has power; ROM keeps its contents without power.
BCC in email means:
- A) Basic carbon copy
- B) Blank copy
- C) Blind carbon copy ✔
- D) Big carbon copy
Why: BCC means blind carbon copy. People in BCC get the email, but other recipients cannot see their addresses.
The largest heading tag is:
- A) ‹h6›
- B) ‹head›
- C) ‹h1› ✔
- D) ‹big›
Why: h1 is largest, h6 smallest.
Which of these is NOT a type of animation in PowerPoint?
- A) Entrance
- B) Emphasis
- C) Exit
- D) Transition ✔
Why: Animation types are Entrance, Emphasis, Exit and Motion Paths. Transition is a separate feature.
The largest example of a WAN is:
- A) Intranet
- B) The internet ✔
- C) Bluetooth
- D) A school LAN
Why: The internet connects networks across the world.
Which shortcut opens the Find and Replace box with Replace selected?
- A) Ctrl + F
- B) Ctrl + H ✔
- C) Ctrl + R
- D) Ctrl + G
Why: Ctrl + H opens Replace; Ctrl + F opens Find.
The fastest memory in a computer is:
- A) RAM
- B) Registers ✔
- C) Hard disk
- D) Cache on the hard disk
Why: Registers are inside the CPU.
The tiny dots that make up a screen image are called:
- A) Bits
- B) Pixels ✔
- C) Bytes
- D) Fonts
Why: A pixel (picture element) is the smallest dot on a screen. More pixels give a sharper image (higher resolution).
Face unlock on a mobile phone is an example of:
- A) General AI
- B) Narrow (weak) AI ✔
- C) Super AI
- D) Quantum computing
Why: It does one specific job, so it is narrow AI. All AI in use today is narrow AI.
A key made of two or more fields is a:
- A) Composite key ✔
- B) Foreign key
- C) Single key
- D) Alternate key only
Why: A composite key uses two or more fields together to identify each record uniquely, for example student ID and subject code.
E-governance means:
- A) Using ICT to deliver government services ✔
- B) Electing officials online only
- C) Banning the internet
- D) Paper-based work
Why: E-governance makes services faster and transparent.
Page margins are set from the ____ tab.
- A) Layout ✔
- B) Insert
- C) Mailings
- D) Review
Why: In MS Word, page margins are set from the Layout tab (Page Layout in older versions) using the Margins button.
Ransomware locks office files and demands payment. Which practice best helps the office recover?
- A) Having regular backups ✔
- B) Using a short password
- C) Turning off the antivirus
- D) Clicking the link in the ransom note
Why: Regular backups let data be restored without paying the attacker.
=ROUND(12.567,1) returns:
- A) 12.5
- B) 12.6 ✔
- C) 13
- D) 12.57
Why: Rounding to one decimal place gives 12.6.
Convert 00111100₂ into hexadecimal.
- A) 3D
- B) 4C
- C) 3B
- D) 3C ✔
Why: Group in 4s from the right: 00111100₂ = 3C₁₆.
Which extension belongs to a program (executable) file?
- A) .exe ✔
- B) .pdf
- C) .txt
- D) .jpg
Why: .exe files are executable programs.
Which translator converts assembly language into machine code?
- A) Compiler
- B) Interpreter
- C) Linker
- D) Assembler ✔
Why: An assembler translates assembly language programs into machine code.
Memory between the CPU and RAM that speeds up access is:
- A) Virtual memory
- B) ROM
- C) Hard disk
- D) Cache ✔
Why: Cache stores frequently used data.
Which printer uses toner?
- A) Inkjet printer
- B) Laser printer ✔
- C) Dot matrix printer
- D) Thermal printer
Why: Laser printers fuse toner powder.
Who coined the term artificial intelligence?
- A) John McCarthy ✔
- B) Alan Turing
- C) Charles Babbage
- D) Tim Berners-Lee
Why: John McCarthy coined the term for the Dartmouth conference of 1956.
One person having one citizenship number is a:
- A) One-to-one relationship ✔
- B) One-to-many relationship
- C) Many-to-many relationship
- D) Recursive relationship
Why: One person having exactly one citizenship number, and each number belonging to one person, is a one-to-one (1:1) relationship.
Online services given by the government directly to citizens are called:
- A) G2B
- B) G2G
- C) G2C ✔
- D) B2C
Why: G2C means Government to Citizen.
Marks for Windows basics and MS Word tasks:
- A) 2.5
- B) 5 ✔
- C) 10
- D) 7.5
Why: In the computer operator syllabus used for this mock test, the Windows basics and MS Word practical tasks carry 5 marks.
Digital records in an office mainly help with
- A) Quick search and backup ✔
- B) Increasing paper use
- C) Hiding decisions
- D) Avoiding audits
Why: The note says digital records allow quick search and backup.
Which chart is best to show the share of each part in a whole?
- A) Line chart
- B) Pie chart ✔
- C) Scatter chart
- D) Column chart
Why: A pie chart shows parts of a whole.
Convert 37 (decimal) into binary.
- A) 100110
- B) 100010
- C) 100101 ✔
- D) 100011
Why: Repeated division by 2 gives 100101₂.