1
In MS Word, which shortcut creates a new blank document?
Correct answer: B. Ctrl + N
Ctrl + N opens a new document; Ctrl + O opens an existing one and Ctrl + W closes the current one.
easy
PPSC Junior Computer Operator (BS-12) Practice Paper 2
Practice paper100 MCQs90 minutesPublished 27 October 2026
A second full 100-MCQ practice paper for the PPSC Junior Computer Operator (BS-12) test, with new MS Office, internet and IT questions (80%) and general ability questions (20%), answers and explanations.
Written by our editorial team in the official pattern of the PPSC Junior Computer Operator (BS-12) written test. This is not a past paper: the questions are our own, and every answer was checked against reliable sources.
MS Word
- 2
In MS Word, Ctrl + R aligns text to the:
Correct answer: D. Right
Ctrl + R is right-align, often used for dates and addresses in letters.
easy - 3
In MS Word, pressing Ctrl + 2 sets the line spacing of a paragraph to:
Correct answer: C. Double
Ctrl + 1 gives single spacing, Ctrl + 5 gives 1.5 lines and Ctrl + 2 gives double spacing.
medium - 4
In MS Word, Ctrl + Shift + < is used to:
Correct answer: A. Decrease the font size to the next smaller size
Ctrl + Shift + < steps the size down the font-size list; Ctrl + Shift + > steps it up.
medium - 5
In MS Word, Ctrl + Spacebar is used to:
Correct answer: D. Remove character formatting from the selected text
Ctrl + Spacebar clears manual character formatting such as bold or colour; Ctrl + Shift + Spacebar inserts a non-breaking space.
hard - 6
In MS Word, Ctrl + Q is used to:
Correct answer: B. Remove paragraph formatting
Ctrl + Q resets paragraph formatting such as indents and spacing to the style's default.
hard - 7
In MS Word, Ctrl + T creates a:
Correct answer: D. Hanging indent
Ctrl + T makes a hanging indent (first line out, other lines in), as used in reference lists.
hard - 8
In MS Word, Ctrl + M is used to:
Correct answer: C. Indent the paragraph from the left
Ctrl + M moves the paragraph's left indent in; Ctrl + Shift + M moves it back out.
medium - 9
In MS Word, which shortcut shows the print preview?
Correct answer: C. Ctrl + F2
Ctrl + F2 (or Ctrl + P) opens the Print screen with a preview of the pages.
hard - 10
In MS Word, Shift + F7 opens the:
Correct answer: B. Thesaurus
Shift + F7 opens the Thesaurus to find synonyms; F7 alone runs the spelling and grammar check.
medium - 11
In MS Word, the Word Count button is found on the:
Correct answer: C. Review tab
Review → Proofing group has Word Count; the status bar at the bottom also shows the count.
medium - 12
In MS Word, an automatic Table of Contents is inserted from the:
Correct answer: C. References tab
References → Table of Contents builds the list from text formatted with Heading styles.
medium - 13
In MS Word 2013 and later, the Watermark option is found on the:
Correct answer: C. Design tab
Design → Page Background → Watermark adds text such as "CONFIDENTIAL" behind the page. In Word 2010 it was on Page Layout.
hard - 14
Which type of section break starts the new section on the same page?
Correct answer: A. Continuous
A continuous break is used, for example, to switch from one column to two columns on the same page.
medium - 15
In MS Word, WordArt is inserted from the:
Correct answer: C. Insert tab
Insert → Text group → WordArt adds decorative text with outlines, shadows and effects.
easy - 16
With the Normal margin setting in MS Word 2007 and later, each margin is:
Correct answer: C. 1 inch
Normal margins are 1 inch on all four sides; Narrow margins are 0.5 inch.
medium - 17
In MS Word, Ctrl + Shift + C copies:
Correct answer: D. The formatting of the selected text
Ctrl + Shift + C copies formatting and Ctrl + Shift + V pastes it, a keyboard version of Format Painter.
hard - 18
In MS Word, Ctrl + D opens the:
Correct answer: D. Font dialog box
Ctrl + D opens the Font dialog, where you can set font, size, style and effects together.
medium
MS Excel
- 19
In Excel 2013 and later, a new blank workbook opens with how many worksheets?
Correct answer: A. 1
Since Excel 2013 a new workbook has one sheet (older versions had three); the number can be changed in Options.
medium - 20
In Excel, Ctrl + Shift + L is used to:
Correct answer: C. Turn filters on or off
Ctrl + Shift + L adds or removes the filter drop-down arrows on the header row.
hard - 21
While editing a formula in Excel, pressing F4 on a cell reference:
Correct answer: D. Switches it between relative, absolute and mixed
F4 cycles A1 → $A$1 → A$1 → $A1, saving you from typing $ signs.
medium - 22
In Excel, pressing F11 with data selected will:
Correct answer: D. Create a chart on a new chart sheet
F11 creates a default chart on its own sheet; Alt + F1 creates it on the current sheet.
hard - 23
Which shortcut inserts a new worksheet in Excel?
Correct answer: C. Shift + F11
Shift + F11 adds a worksheet; Ctrl + N opens a whole new workbook and Alt + F11 opens the VBA editor.
medium - 24
Which Excel function returns the smallest number in a range?
Correct answer: B. MIN
=MIN(A1:A20) gives the smallest value, and MAX gives the largest.
easy - 25
What does =LEN("Pakistan") return in Excel?
Correct answer: B. 8
LEN counts the characters in text: P-a-k-i-s-t-a-n is 8 characters.
medium - 26
The Excel function UPPER is used to:
Correct answer: A. Convert text to capital letters
=UPPER("lahore") returns LAHORE. LOWER and PROPER change case the other ways.
easy - 27
Which Excel function returns the current date and updates automatically?
Correct answer: A. =TODAY()
=TODAY() gives today's date; =NOW() gives the date and the time.
medium - 28
If A1 = 2, A2 = 4 and A3 = 6, what does =SUM(A1:A3) return?
Correct answer: C. 12
2 + 4 + 6 = 12. (48 would be the product of the three cells.)
easy - 29
The #REF! error in Excel means that a formula:
Correct answer: B. Refers to a cell that is no longer valid, for example a deleted one
If you delete a row or column that a formula uses, the reference breaks and shows #REF!.
medium - 30
When a cell in Excel shows ##### the most likely reason is that:
Correct answer: B. The column is too narrow to display the number
Widening the column (double-click its right border) usually shows the value.
easy - 31
In Excel, the Merge & Center button is on the:
Correct answer: A. Home tab
Home → Alignment group → Merge & Center joins cells and centres the text, often for titles.
easy - 32
In Excel, the Remove Duplicates command is found on the:
Correct answer: A. Data tab
Data → Data Tools → Remove Duplicates deletes repeated rows from a list.
medium - 33
Conditional Formatting in Excel is found on the:
Correct answer: B. Home tab
Home → Styles → Conditional Formatting colours cells by rules, such as marks below 33 in red.
medium - 34
In Excel, a PivotTable is inserted from the:
Correct answer: C. Insert tab
Insert → PivotTable summarises large lists by grouping and totalling them.
medium - 35
How many cells are there in the Excel range A1:B3?
Correct answer: C. 6
The range covers 2 columns (A, B) × 3 rows (1–3) = 6 cells.
easy - 36
In Excel, Ctrl + Page Down is used to:
Correct answer: C. Move to the next worksheet
Ctrl + Page Down moves to the next sheet and Ctrl + Page Up to the previous one.
medium
MS PowerPoint
- 37
The view in which PowerPoint normally opens for editing slides is:
Correct answer: A. Normal view
Normal view shows the current slide, thumbnails on the left and the notes pane below.
easy - 38
In PowerPoint, Ctrl + D with a slide selected in the thumbnail pane will:
Correct answer: D. Duplicate the slide
Ctrl + D makes a copy of the selected slide (or object) right after it.
medium - 39
During a PowerPoint slide show, pressing the B key will:
Correct answer: D. Show a black screen
B blanks the screen to black and W to white; pressing the key again returns to the slide.
hard - 40
Ready-made designs of colours, fonts and backgrounds in PowerPoint are chosen from the:
Correct answer: D. Design tab
Design → Themes applies a complete look to all slides at once.
easy - 41
In PowerPoint, the Hide Slide command is found on the:
Correct answer: C. Slide Show tab
A hidden slide stays in the file but is skipped during the show.
medium - 42
The Rehearse Timings feature in PowerPoint is used to:
Correct answer: A. Record how long each slide is shown during a practice run
The timings can then advance slides automatically, for example at a kiosk.
medium - 43
Printouts with several small slides on each page, given to the audience, are called:
Correct answer: B. Handouts
Handouts can show 1, 2, 3, 4, 6 or 9 slides per page.
easy - 44
During a PowerPoint slide show, typing a slide number and pressing Enter will:
Correct answer: B. Jump to that slide
For example, typing 7 and pressing Enter jumps straight to slide 7.
hard - 45
In PowerPoint, the boxes with dotted borders that hold titles, text or pictures on a slide layout are called:
Correct answer: B. Placeholders
Placeholders show prompts such as "Click to add title" until you fill them.
easy - 46
A PowerPoint file saved as .ppsx will:
Correct answer: A. Open directly as a slide show
.ppsx is the PowerPoint Show format, useful for sending a presentation that starts playing immediately.
hard
Internet and Email
- 47
The Reply All button in email sends your reply to:
Correct answer: D. The sender and everyone else who received the message
Reply goes to the sender only; Reply All also includes all other To and CC recipients.
easy - 48
Sending an email you received on to a new person is called:
Correct answer: C. Forwarding
Forward (often shown as Fw: or Fwd:) sends the message, with its attachments, to someone else.
easy - 49
An email that has been written and saved but not yet sent is kept in the:
Correct answer: C. Drafts folder
Drafts hold unfinished messages; Sent holds messages already sent.
easy - 50
FTP, used to move files between computers over a network, stands for:
Correct answer: A. File Transfer Protocol
FTP is a standard way to upload and download files to a server.
easy - 51
Saving a website's address in your browser so you can open it quickly later is called:
Correct answer: C. Bookmarking
Bookmarks (called Favourites in Edge) store page addresses; Ctrl + D bookmarks the current page.
easy - 52
Small files that websites store in your browser to remember settings or logins are called:
Correct answer: A. Cookies
Cookies keep you signed in or remember preferences; you can clear them in browser settings.
easy - 53
In Google Chrome, Ctrl + H opens the:
Correct answer: C. History
Ctrl + H shows the list of pages you have visited.
medium - 54
In most web browsers, Ctrl + T opens a:
Correct answer: A. New tab
Ctrl + T opens a new tab, Ctrl + N a new window and Ctrl + W closes the current tab.
easy - 55
In Google Chrome, Ctrl + Shift + N opens a:
Correct answer: A. Incognito (private) window
An Incognito window does not save history or cookies after it is closed.
medium - 56
The internet system that turns a domain name like example.com into an IP address is:
Correct answer: B. DNS
DNS (Domain Name System) works like a phone book for the internet.
medium - 57
A word or picture on a web page that opens another page when clicked is a:
Correct answer: B. Hyperlink
Hyperlinks connect pages across the web; the pointer usually turns into a hand over them.
easy - 58
The domain .org is most commonly used by:
Correct answer: B. Non-profit organisations
.org was meant for organisations such as charities; .com is for companies and .gov for governments.
easy - 59
Gmail is an email service provided by:
Correct answer: C. Google
Google launched Gmail in 2004. Microsoft's service is Outlook.com.
easy - 60
Two-factor authentication (2FA) protects an account by:
Correct answer: D. Asking for a second proof of identity, such as a code sent to your phone, after the password
Even if someone steals your password, they also need the second factor to sign in.
medium
Basic IT
- 61
The smallest unit of data in a computer is the:
Correct answer: D. Bit
A bit holds a single 0 or 1. Eight bits make a byte.
easy - 62
A nibble is equal to:
Correct answer: B. 4 bits
A nibble is half a byte, that is, 4 bits.
medium - 63
One terabyte (TB) is equal to:
Correct answer: A. 1,024 GB
1 TB = 1,024 GB; 1,024 TB make one petabyte (PB).
easy - 64
Transistors replaced vacuum tubes in which generation of computers?
Correct answer: D. Second
First-generation computers used vacuum tubes; second-generation machines (late 1950s) used transistors.
medium - 65
Computers built around the microprocessor belong to the:
Correct answer: D. Fourth generation
The microprocessor (1971) started the fourth generation; the third generation used integrated circuits.
medium - 66
The World Wide Web was invented by:
Correct answer: B. Tim Berners-Lee
Tim Berners-Lee proposed the web at CERN in 1989 and built the first website in 1991.
easy - 67
The main circuit board of a computer, to which the CPU and RAM are attached, is the:
Correct answer: D. Motherboard
The motherboard connects all parts of the computer and carries power and data between them.
easy - 68
The resolution of a computer screen is measured in:
Correct answer: B. Pixels
For example, 1920 × 1080 means 1,920 pixels across and 1,080 down.
easy - 69
Which of these is an optical storage device?
Correct answer: C. DVD
CDs, DVDs and Blu-ray discs are read by a laser. Flash drives use chips and hard disks use magnetism.
easy - 70
Which of these is a free, open-source operating system?
Correct answer: C. Linux
Linux's source code is freely available; Ubuntu is a popular version of it.
easy - 71
Banks use MICR technology mainly to:
Correct answer: D. Read cheques
Magnetic Ink Character Recognition reads the special numbers printed at the bottom of cheques.
medium - 72
OCR software is used to:
Correct answer: D. Convert scanned text images into editable text
Optical Character Recognition turns a scanned page into text you can edit and search.
medium - 73
A plotter is an output device mainly used for:
Correct answer: A. Large drawings such as maps and building plans
Plotters print large, precise line drawings for engineers and architects.
medium - 74
A UPS connected to a computer:
Correct answer: C. Supplies battery power for a short time when the electricity fails
An Uninterruptible Power Supply gives you time to save work and shut down safely during load-shedding.
easy - 75
In Windows, the Windows key + E opens:
Correct answer: B. File Explorer
Windows + E opens File Explorer; Windows + I opens Settings.
medium - 76
In Windows File Explorer, pressing F2 on a selected file lets you:
Correct answer: A. Rename it
F2 puts the file name into edit mode; Alt + Enter opens its properties.
easy - 77
In Windows, Alt + Tab is used to:
Correct answer: A. Switch between open windows
Hold Alt and press Tab repeatedly to choose which open window to bring forward.
easy - 78
A device driver is:
Correct answer: D. Software that lets the operating system work with a hardware device
A printer, for example, needs the right driver before Windows can print to it.
easy - 79
Bluetooth is a technology for:
Correct answer: A. Short-range wireless connection between devices
Bluetooth connects nearby devices such as wireless earphones, keyboards and phones, usually within about 10 m.
easy - 80
Which of these is an antivirus program?
Correct answer: D. Kaspersky
Kaspersky scans for and removes malware. Photoshop edits images and Firefox is a browser.
easy
General Ability
- 81
Cairo is the capital of:
Correct answer: B. Egypt
Cairo, on the River Nile, is Egypt's capital and the largest city in the Arab world.
easy - 82
The official currency of China is the:
Correct answer: B. Renminbi (yuan)
China's currency is the renminbi, whose unit is the yuan. The baht is Thailand's.
easy - 83
In which city is the main headquarters of the United Nations?
Correct answer: D. New York
The UN headquarters stands beside the East River in New York City.
easy - 84
The longest river in Asia is the:
Correct answer: A. Yangtze
The Yangtze in China flows about 6,300 km, the longest river in Asia.
medium - 85
Pakistan's national poet is:
Correct answer: A. Allama Muhammad Iqbal
Allama Iqbal, also called Shair-e-Mashriq, is Pakistan's national poet.
easy - 86
The Badshahi Mosque in Lahore was built by the Mughal emperor:
Correct answer: C. Aurangzeb
Aurangzeb Alamgir completed the mosque in 1673, facing the Lahore Fort.
easy - 87
Which city is called the "Manchester of Pakistan" for its textile industry?
Correct answer: A. Faisalabad
Faisalabad is Pakistan's main textile centre, like Manchester in England's industrial era.
easy - 88
Pakistan Day is celebrated every year on:
Correct answer: B. 23 March
23 March marks the Lahore Resolution of 1940 and the 1956 Constitution.
easy - 89
Choose the word closest in meaning to BRAVE:
Correct answer: B. Courageous
Brave and courageous both mean ready to face danger.
easy - 90
Choose the word opposite in meaning to ACCEPT:
Correct answer: B. Reject
To accept is to take or agree to something; to reject is to refuse it.
easy - 91
Fill in the blank: I have lived in this city ___ 2015.
Correct answer: A. since
"Since" goes with a starting point in time (since 2015); "for" goes with a length of time.
easy - 92
The plural of "child" is:
Correct answer: C. Children
Child has an irregular plural: children.
easy - 93
لفظ "پھول" کا ہم معنی کیا ہے؟
درست جواب: د. گل
گل فارسی میں پھول کو کہتے ہیں؛ خار کانٹا اور برگ پتا ہے۔
easy - 94
لفظ "سچ" کا متضاد کیا ہے؟
درست جواب: ج. جھوٹ
سچ کا الٹ جھوٹ ہے، جبکہ حق اور صداقت اس کے ہم معنی ہیں۔
easy - 95
Green plants make their own food by a process called:
Correct answer: D. Photosynthesis
In photosynthesis, chlorophyll uses sunlight to turn carbon dioxide and water into glucose.
easy - 96
Pure water freezes at:
Correct answer: A. 0 °C
Water freezes at 0 °C, which is 32 °F (not 32 °C).
easy - 97
The main source of energy for life on Earth is the:
Correct answer: B. Sun
Sunlight powers photosynthesis, the weather and the water cycle.
easy - 98
144 ÷ 12 equals:
Correct answer: B. 12
12 × 12 = 144, so 144 ÷ 12 = 12.
easy - 99
What is 3/5 of 200?
Correct answer: A. 120
200 ÷ 5 = 40, and 40 × 3 = 120.
easy - 100
A man earns Rs. 30,000 a month and saves 20% of it. How much does he save?
Correct answer: C. Rs. 6,000
20% of 30,000 = 0.2 × 30,000 = Rs. 6,000.
easy