Junior Computer Operator Model Paper 2026 PDF

★ Computer / IT: MS Office, Windows OS, hardware, networking, typing, basic programming & DBMS

★ English: Basic grammar, vocabulary, synonyms/antonyms, comprehension
★ Analytical Reasoning: Logic, patterns, series, problem solving
★ Quantitative Reasoning: Basic math, percentages, ratios, simple algebra & geometry
★ General Knowledge: Pakistan Affairs + Islamic Studies

★ Computer / IT

Q1. Electronic digital circuits are also called?
Answer: Logic gates

Q2. ALU stands for?
Answer: Arithmetic and Logic Unit

Q3. Control Unit is responsible for?
Answer: Operation of CPU

Q4. The software that contains core components of the OS is called?
Answer: Kernel

Q5. Memory used to store BIOS?
Answer: ROM

Q6. A “Nibble” in computer terminology equals how many bits?
Answer: 4 bits

Q7. Shortcut key to “Select All” files in a folder?
Answer: Ctrl + A

Q8. Shortcut key to check spelling in MS Word?
Answer: F7

Q9. Shortcut key to “Center Align” text?
Answer: Ctrl + E

Q10. Spooling is required for devices such as?
Answer: Printers

Q11. DBMS stands for?
Answer: Database Management System

Q12. Physical or logical arrangement of network is called?
Answer: Topology

Q13. In Star topology, the central controller is called?
Answer: Hub / Minicomputer

Q14. Computers process data in which language?
Answer: Binary

Q15. A program written in a non-machine language is called?
Answer: Source Program

Q16. Examples of low-level languages?
Answer: Machine and Assembly language

Q17. Program enhancement is called?
Answer: Program Upgradation

Q18. A set of rules of a programming language is called?
Answer: Syntax

Q19. The process of writing a program using any language is called?
Answer: Coding

Q20. Virtual memory allows addressing more memory locations than main memory. True or False?
Answer: True

Q21. The ascending order of data hierarchy?
Answer: Bit → Byte → Field → Record → File → Database

Q22. Input/Output moves data between the computer and its external environment. True or False?
Answer: True

Q23. Good voice reproduction via PCM requires?
Answer: 7-bit coding

Q24. Coaxial cable consists of how many conductors?
Answer: Two

Q25. Optical fiber can transmit multiple beams on?
Answer: Same fiber

Q26. Hub operates at which OSI layer?
Answer: Physical Layer

Q27. Presentation layer functionalities include?
Answer: Compression, Encryption, Description

Q28. A binary parallel adder produces?
Answer: Sum

Q29. A combinational circuit consists of?
Answer: Input variables, Logic gates, Output variables

Q30. Paste Special command in Excel lets you paste?
Answer: Values of formula instead of formula

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Section 2: English Grammar & Vocabulary

Q31. Identify the clause: “Dad met a man with whom he used to work”?
Answer: Adjective clause

Q32. Opposite of CORPULENT?
Answer: Thin

Q33. Synonym of Virtue?
Answer: Quality

Q34. Nearest meaning of Bewilderment?
Answer: Puzzled

Q35. Correct meaning of Sagacity?
Answer: Wisdom

Q36. Antonym of Demonic?
Answer: Angelic

Q37. Antonym of Solace?
Answer: Annoy

Q38. Opposite of Obliterate?
Answer: Create

Q39. Opposite meaning of Integration?
Answer: Separate

Q40. Passive Voice: “The mother bird bought food for her kids”?
Answer: Food was bought by the mother bird for her kids

Q41. Narration: He said, “I will talk on this topic tomorrow”?
Answer: He told him he would talk on that topic the next day

Q42. “The thing to do first is an activity you enjoy” – Identify phrase?
Answer: Infinitive phrase

Q43. “That he spoke many good words” is?
Answer: Noun clause

Q44. Identify tense: “I suppose it will be raining when we start”?
Answer: Future Continuous

Q45. Passive: “The team is presenting new techniques”?
Answer: New techniques are being presented by the team

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Section 3: Analytical / IQ

Q46. Find the odd one out: Tyre, Steering Wheel, Engine, Car?
Answer: Car

Q47. Series: 36, 34, 30, 28, 24 → Next number?
Answer: 22

Q48. If 1st Jan 2025 was Wednesday, 1st Jan 2026 will be?
Answer: Thursday

Q49. Sitting Arrangement: A right of B, E left of B but right of C, A left of D → Middle?
Answer: B

Q50. Coding & Decoding: “COMPUTER” → “RFUVQNPC”, “MEDICINE” →?
Answer: EOJDJEFM

Q51. Blood relations: “I have no brother or sister, but that man’s father is my father’s son” → Whose photo?
Answer: His son

Q52. Directions: Walk 5 km south, right 3 km, left 5 km → Final direction?
Answer: South-West

Q53. Logical grouping: If S selected, T cannot be selected → Who cannot be selected?
Answer: T

Q54. Number series: 7, 10, 8, 11, 9, 12 → Next number?
Answer: 10

Q55. Odd one out: 27, 64, 125, 144, 216?
Answer: 144

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Section 4: Quantitative / Mathematics

Q56. 3 pencils cost Rs 15, cost of 10 pencils?
Answer: 50

Q57. 25% of 200?
Answer: 50

Q58. Train travels 60 km in 1.5 hours → Speed?
Answer: 40 km/h

Q59. Box contains 12 apples and 8 oranges → Fraction of oranges?
Answer: 2/5

Q60. LCM of 12 and 15?
Answer: 60

Q61. 15% of 300?
Answer: 45

Q62. Solve: 2x + 7 = 15 → x = ?
Answer: 4

Q63. Area of rectangle: length 10, width 5?
Answer: 50

Q64. Perimeter of square with side 6?
Answer: 24

Q65. Average of 15, 20, 25, 30, 35?
Answer: 25

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Section 5: Pakistan Studies / General Knowledge

Q66. First Governor of Punjab after independence?
Answer: Sir Francis Mudie

Q67. Central Secretariat at Pakistan creation?
Answer: Karachi

Q68. First Permanent Representative of Pakistan to UN?
Answer: Patras Bukhari

Q69. Rainiest place in Pakistan?
Answer: Murree

Q70. National game of Pakistan?
Answer: Hockey

Q71. World War I fought between?
Answer: 1914–1918

Q72. National flower of Pakistan?
Answer: Jasmine

Q73. Hottest desert of the world?
Answer: Sahara

Q74. Smallest sea of the world?
Answer: Baltic Sea

Q75. Iranian Revolution occurred in?
Answer: February 1979

Q76. Formosa is old name of?
Answer: Taiwan

Q77. Annulment of Partition of Bengal?
Answer: 1911

Q78. Simla deputation met with which Viceroy?
Answer: Lord Minto

Q79. Liaquat Ali Khan joined Muslim League?
Answer: 1923

Q80. Muhammad Ali Jinnah given title of Quaid-e-Azam?
Answer: 1938

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Section 6: Islamic Studies

Q81. Ghazwa-e-Badr occurred in which Hijrah?
Answer: 2nd

Q82. How many daily obligatory (Farz) prayers?
Answer: 3 (Fajr, Maghrib, Isha)

Q83. Ghusl obligatory acts?
Answer: 3

Q84. Prophet ﷺ passed away at which place?
Answer: Hazrat Ayesha’s chamber

Q85. Knowledge should be acquired from mother’s lap to?
Answer: Grave

Q86. Leader of trading caravan?
Answer: Abu Sufyan

Q87. Daily Sunnah prayers performed where?
Answer: Home

Q88. Allah commands help through?
Answer: Patience and prayer

Q89. Zakat made compulsory in which Hijri year?
Answer: 2 AH

Q90. Literal meaning of Hadith?
Answer: Sayings of Prophet ﷺ

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Section 7: Advanced / Operator / Data Entry

Q91. Input/Output devices?
Answer: Keyboard, Mouse

Q92. Memory type working like both RAM and ROM?
Answer: Flash Memory

Q93. Page replacement algorithm suffering Belady’s anomaly?
Answer: FIFO

Q94. Compiler translates?
Answer: High-level language to machine code

Q95. PHP syntax is closest to?
Answer: Perl / C++

Q96. ASP.Net session object encapsulates?
Answer: Client state

Q97. Database copied fully to multiple sites is called?
Answer: Replicated database

Q98. Function not a class member but can access private members?
Answer: Friend function

Q99. Data type for classroom ID if max 125 rooms?
Answer: Integer / Byte

Q100. Transaction log is?
Answer: Record of all database activity