Mock Test 18 — Delhi Police Constable Full Pattern (100 MCQs)
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Section A: Reasoning (Q1–25)
- If in a certain code CHAIR is written as DIBJS, how is TABLE written in the same code?
(a) UBCMF (b) UBCMG (c) UBCLF (d) TBCMF - Pointing to a girl, a woman said, "Her mother is the only daughter of my mother." How is the woman related to the girl?
(a) Maternal aunt (b) Grandmother (c) Sister (d) Mother - Find the next term: 6, 13, 27, 55, ?
(a) 111 (b) 110 (c) 112 (d) 109 - In a certain code, LIGHT is written as MJHIU. How is SOUND written in that code?
(a) TPVOE (b) TPVOD (c) TPVNE (d) SPVOE - Six officers M, N, O, P, Q and R sit around a circular table facing the centre. M sits second to the right of N. O sits opposite N. P sits between M and O. Q sits second to the left of R. Where does R sit relative to N?
(a) Immediately left (b) Immediately right (c) Opposite (d) Second to the right - Choose the odd one out.
(a) Rose (b) Lotus (c) Marigold (d) Mango - If in a code, PRISON is coded as QSJTPO, how is CONVICT coded?
(a) DPOWJDU (b) DPOWICU (c) DPOWJCT (d) COPWJDU - X is the daughter of Y. Y is the brother of Z. Z is the mother of W. How is X related to W?
(a) Cousin (b) Sister (c) Aunt (d) Niece - Complete the series: CE, GI, KM, OQ, ?
(a) SU (b) ST (c) RU (d) SV - Statement: All checkpoints are stations. Some stations are unmanned. Conclusion I: Some checkpoints are unmanned. Conclusion II: All stations are checkpoints. Which conclusion(s) follow?
(a) Neither I nor II follows (b) Only I follows (c) Only II follows (d) Both follow - A constable walks 10 km south, then turns right and walks 6 km, then turns right again and walks 10 km. How far is he from the starting point?
(a) 6 km (b) 10 km (c) 12 km (d) 16 km - Arrange the words in a meaningful order: 1. Summon 2. Hearing 3. Judgment 4. Charge framing 5. Evidence recording
(a) 1-4-5-2-3 (b) 1-4-2-5-3 (c) 4-1-5-2-3 (d) 1-2-4-5-3 - If in a certain code, GARDEN is coded as HBSEFO, how is FOREST coded?
(a) GPSFTU (b) GPSFSU (c) GPSFTV (d) FPSFTU - How many rectangles are there in a 3×5 grid of unit squares?
(a) 90 (b) 75 (c) 60 (d) 105 - A constable faces west. He turns 90° clockwise, then 90° clockwise again, then 180°. Which direction does he now face?
(a) West (b) East (c) North (d) South - A is twice as old as B. Fourteen years ago, A was four times as old as B. Find B's present age.
(a) 21 years (b) 18 years (c) 24 years (d) 20 years - Select the related pair: Odometer : Distance :: Speedometer : ?
(a) Speed (b) Time (c) Acceleration (d) Fuel - If 'P' means '+', 'Q' means '−', 'R' means '×', and 'S' means '÷', evaluate: 24 S 6 R 5 P 8 Q 3
(a) 25 (b) 27 (c) 23 (d) 29 - In a line of recruits, Vikram is 11th from the front and 16th from the back. How many recruits are in the line?
(a) 26 (b) 27 (c) 25 (d) 28 - Statement: All watchposts are guarded. All guarded places are secure. Conclusion: All watchposts are secure.
(a) Yes, it follows validly (b) No (c) Cannot be determined (d) Only partially - Find the missing number: 8, 18, 38, 78, ?
(a) 158 (b) 156 (c) 160 (d) 154 - A is the father of B. C is the sister of B. D is the son of C. How is A related to D?
(a) Grandfather (b) Father (c) Uncle (d) Brother - Choose the word different from the rest.
(a) Uniform (b) Baton (c) Whistle (d) Handcuffs - In a code language, "night patrol duty roster" is coded as "zo ki mo lo", "duty for constables" is coded as "lo na pa", and "roster for shifts" is coded as "mo na ra". What is the code for "duty"?
(a) lo (b) zo (c) ki (d) mo - In a row of cadets, Neha is 20th from the left and 15th from the right. How many cadets are in the row?
(a) 34 (b) 35 (c) 33 (d) 36
Section B: General Knowledge & Current Affairs (Q26–75)
- The Right to Information Act was enacted in which year?
(a) 2005 (b) 2000 (c) 2010 (d) 1998 - Who was the first Home Minister of independent India?
(a) Sardar Vallabhbhai Patel (b) Jawaharlal Nehru (c) Rajendra Prasad (d) Govind Ballabh Pant - The Champaran Satyagraha took place in which state?
(a) Bihar (b) Uttar Pradesh (c) Gujarat (d) West Bengal - Which is the largest tiger reserve in India by area?
(a) Nagarjunsagar-Srisailam (b) Corbett (c) Kanha (d) Sundarbans - Who composed the Constitution of India's calligraphy and illustrations?
(a) Nandalal Bose (b) Ram Manohar Lohia (c) Raja Ravi Varma (d) Abanindranath Tagore - The Indira Gandhi Canal originates from which river?
(a) Sutlej (b) Beas (c) Ravi (d) Yamuna - Which Article provides for the establishment of the Election Commission of India?
(a) Article 324 (b) Article 280 (c) Article 315 (d) Article 76 - Who was the first Law Minister of independent India?
(a) B. R. Ambedkar (b) Rajendra Prasad (c) K. M. Munshi (d) C. Rajagopalachari - Which Indian state is known as the "Land of Five Rivers"?
(a) Punjab (b) Haryana (c) Himachal Pradesh (d) Rajasthan - The Non-Cooperation Movement was launched in which year?
(a) 1920 (b) 1919 (c) 1922 (d) 1924 - Which organ of the human body produces insulin?
(a) Pancreas (b) Liver (c) Kidney (d) Spleen - Who was the first woman Chief Minister of an Indian state?
(a) Sucheta Kripalani (b) Nandini Satpathy (c) Sheila Dikshit (d) Mayawati - The Khajuraho temples are located in which state?
(a) Madhya Pradesh (b) Uttar Pradesh (c) Rajasthan (d) Bihar - Which blood group is known as the "universal donor"?
(a) O negative (b) AB positive (c) A positive (d) B negative - The Cripps Mission came to India in which year?
(a) 1942 (b) 1940 (c) 1946 (d) 1935 - Which Indian state has the highest number of Union Territories bordering it?
(a) Punjab (b) Haryana (c) Uttar Pradesh (d) Andhra Pradesh - The League of Nations was established after which war?
(a) World War I (b) World War II (c) Franco-Prussian War (d) Crimean War - Who was the first Indian woman to climb Mount Everest?
(a) Bachendri Pal (b) Santosh Yadav (c) Arunima Sinha (d) Premlata Agarwal - Which Mughal emperor is known for his religious policy of "Sulh-i-Kul"?
(a) Akbar (b) Aurangzeb (c) Jahangir (d) Shah Jahan - The headquarters of UNESCO is located in which city?
(a) Paris (b) Geneva (c) New York (d) Rome - Which Indian city is known as the "City of Lakes"?
(a) Udaipur (b) Jaipur (c) Bhopal (d) Nainital - Who designed the national emblem of India?
(a) Adapted from the Lion Capital of Ashoka at Sarnath (b) Nandalal Bose (c) Ram Manohar Lohia (d) Abanindranath Tagore - Which is the largest man-made lake in India?
(a) Indira Sagar Lake (b) Govind Sagar (c) Nagarjuna Sagar (d) Hirakud Reservoir - Which body is responsible for conducting the Delhi Police Constable recruitment examination?
(a) Staff Selection Commission (b) Union Public Service Commission (c) Delhi Subordinate Services Selection Board (d) Institute of Banking Personnel Selection - Which river is known as the "Sorrow of Bengal"?
(a) Damodar (b) Hooghly (c) Mahananda (d) Teesta - India's Green Revolution was primarily associated with which crop?
(a) Wheat (b) Rice (c) Cotton (d) Sugarcane - Which award is India's highest sporting honour for lifetime achievement in coaching?
(a) Dronacharya Award (b) Arjuna Award (c) Khel Ratna (d) Padma Shri - Which unit of Delhi Police is responsible for VIP security?
(a) Special Protection Unit (b) Crime Branch (c) Traffic Police (d) Economic Offences Wing - Which country will host the 2030 FIFA World Cup (as jointly announced)?
(a) Spain, Portugal and Morocco (b) United States, Mexico and Canada (c) Qatar (d) Brazil - Which classical dance form originated in Manipur?
(a) Manipuri (b) Kathak (c) Odissi (d) Sattriya - The Vaikom Satyagraha was primarily concerned with which issue?
(a) Temple entry rights (b) Land reforms (c) Anti-liquor movement (d) Salt tax - Which is the most spoken language in the world by total speakers (including second-language speakers)?
(a) English (b) Mandarin Chinese (c) Hindi (d) Spanish - Who was the last Mughal emperor?
(a) Bahadur Shah Zafar (b) Shah Alam II (c) Akbar II (d) Muhammad Shah - Which Indian organisation is responsible for space research?
(a) ISRO (b) DRDO (c) BARC (d) CSIR - Which Delhi Metro line connects Dwarka Sector 21 to Noida Electronic City / Botanical Garden?
(a) Blue Line (b) Yellow Line (c) Pink Line (d) Magenta Line - Who founded the Home Rule League in India?
(a) Bal Gangadhar Tilak and Annie Besant (b) Mahatma Gandhi (c) Lala Lajpat Rai (d) Bipin Chandra Pal - Which is the largest coldwater desert in India?
(a) Ladakh (b) Spiti (c) Lahaul (d) Zanskar - The Special Cell of Delhi Police primarily deals with which kind of crime?
(a) Terrorism and organised crime (b) Traffic violations (c) Economic fraud (d) Cybercrime only - Which state is the largest producer of sugarcane in India?
(a) Uttar Pradesh (b) Maharashtra (c) Karnataka (d) Tamil Nadu - The National Emergency has been imposed in India how many times as of now?
(a) Three times (b) Two times (c) Four times (d) Once - Who is known as the "Nightingale of India"?
(a) Sarojini Naidu (b) Lata Mangeshkar (c) M. S. Subbulakshmi (d) Kamala Das - Which state has the largest number of Lok Sabha seats?
(a) Uttar Pradesh (b) Maharashtra (c) West Bengal (d) Bihar - Which Indian sporting event is the "Khelo India Youth Games" associated with?
(a) Promoting grassroots sports among youth (b) Only Olympic qualification (c) Only para-sports (d) Only school cricket - Which article deals with the Right to Freedom of Religion?
(a) Article 25 (b) Article 19 (c) Article 21 (d) Article 32 - The Qutub Minar was commissioned by which ruler?
(a) Qutb-ud-din Aibak (b) Iltutmish (c) Alauddin Khilji (d) Firoz Shah Tughlaq - Who presided over the Karachi session of the Indian National Congress (1931), which discussed Fundamental Rights?
(a) Sardar Vallabhbhai Patel (b) Jawaharlal Nehru (c) Mahatma Gandhi (d) Subhas Chandra Bose - Which critically endangered crocodilian species, native to Indian rivers, is the focus of dedicated conservation breeding programmes in India?
(a) Gharial (b) Saltwater Crocodile (c) Mugger Crocodile (d) King Cobra - The Central Bureau of Investigation functions under which ministry/department?
(a) Department of Personnel and Training (b) Ministry of Home Affairs (c) Ministry of Law and Justice (d) Ministry of Defence - Which ruler built the Qutub Minar's first storey?
(a) Qutb-ud-din Aibak (b) Iltutmish (c) Balban (d) Alauddin Khilji - Which committee recommended the creation of NITI Aayog to replace the Planning Commission?
(a) It was created by a Union Cabinet resolution, not a committee (b) The Ashok Chawla Committee (c) The Bibek Debroy Committee (d) The Arvind Panagariya Committee
Section C: Numerical Ability (Q76–90)
- Find the simple interest on ₹18,000 at 7% per annum for 6 years.
(a) ₹7,560 (b) ₹7,200 (c) ₹7,800 (d) ₹7,000 - The average of 20 numbers is 35. If one number is excluded, the average becomes 33. Find the excluded number.
(a) 73 (b) 70 (c) 75 (d) 68 - A shopkeeper sells an article for ₹1,250 at a profit of 25%. Find the cost price.
(a) ₹1,000 (b) ₹1,050 (c) ₹950 (d) ₹1,100 - Pipe A can fill a tank in 18 minutes and pipe B can empty it in 30 minutes. If both are opened together, how long will it take to fill the tank?
(a) 45 minutes (b) 40 minutes (c) 50 minutes (d) 36 minutes - Find the average of the first 30 odd natural numbers.
(a) 30 (b) 29 (c) 31 (d) 28 - A cyclist travels 240 km in 4 hours and then 360 km in 6 hours. Find the average speed for the entire journey.
(a) 60 km/h (b) 58 km/h (c) 62 km/h (d) 55 km/h - Two numbers are in the ratio 4:9. If their sum is 182, find the smaller number.
(a) 56 (b) 52 (c) 60 (d) 48 - 55% of a number is 220. Find the number.
(a) 400 (b) 380 (c) 420 (d) 390 - The marked price of a table is ₹2,400. After a discount of 20%, find the selling price.
(a) ₹1,920 (b) ₹1,900 (c) ₹1,950 (d) ₹1,880 - Find the compound interest on ₹30,000 for 2 years at 8% per annum, compounded annually.
(a) ₹4,992 (b) ₹4,800 (c) ₹5,100 (d) ₹4,700 - Solve for x: 15(x − 10) = 9x + 12.
(a) 27 (b) 26 (c) 28 (d) 25 - Find the area of a rectangle with length 25 cm and breadth 15 cm.
(a) 375 sq cm (b) 360 sq cm (c) 380 sq cm (d) 350 sq cm - A boat's speed in still water is 20 km/h and the stream flows at 4 km/h. Find the time taken to cover 96 km upstream.
(a) 6 hours (b) 5 hours (c) 7 hours (d) 6.5 hours - Find the next term in the series: 5, 15, 45, 135, ?
(a) 405 (b) 390 (c) 400 (d) 410 - A sum of ₹1,20,000 is divided between A and B such that A's share is 400% more than B's share. Find B's share.
(a) ₹20,000 (b) ₹24,000 (c) ₹18,000 (d) ₹22,000
Section D: Computer Knowledge (Q91–100)
- What does ROM stand for?
(a) Read Only Memory (b) Random Only Memory (c) Read Output Memory (d) Random Output Memory - Which of the following is a pointing device?
(a) Mouse (b) Keyboard (c) Scanner (d) Printer - Which shortcut key is used to cut selected content?
(a) Ctrl+X (b) Ctrl+C (c) Ctrl+V (d) Ctrl+Z - What does WAN stand for?
(a) Wide Area Network (b) Wireless Area Network (c) Wide Access Network (d) Wired Area Network - Which of these is an example of a web browser?
(a) Mozilla Firefox (b) MS Excel (c) MS PowerPoint (d) Adobe Photoshop - What is the full form of USB?
(a) Universal Serial Bus (b) Universal System Bus (c) United Serial Bus (d) Universal Serial Bridge - Which key combination is used to switch between open applications in Windows?
(a) Alt+Tab (b) Ctrl+Tab (c) Ctrl+Esc (d) Shift+Tab - Which device converts digital signals to analog signals and back for internet transmission over telephone lines?
(a) Modem (b) Router (c) Switch (d) Hub - Which of these file extensions is used for a spreadsheet file?
(a) .xlsx (b) .docx (c) .pptx (d) .mp4 - Which key is used to move the cursor to the beginning of a line in most text editors?
(a) Home (b) End (c) Page Up (d) Page Down
Answer Key with Explanations
1.(a) Each letter shifts forward by one position: C→D, H→I, A→B, I→J, R→S.
2.(a) The woman's mother's only daughter is the woman herself, so the woman is the girl's mother.
3.(a) Each term follows ×2+1: 6×2+1=13, 13×2+1=27, 27×2+1=55, 55×2+1=111.
4.(a) Each letter shifts forward by one position: S→T, O→P, U→V, N→O, D→E.
5.(a) Placing N, then M two seats to N's right, O opposite N, and P between M and O fixes the arrangement so that Q second to the left of R places R immediately to the left of N.
6.(a) Rose, lotus, and marigold are all flowers, while a mango is a fruit.
7.(a) Each letter shifts forward by one position: C→D, O→P, N→O, V→W, I→J, C→D, T→U.
8.(a) Y is X's father and Z's sibling, so X and W (Z's child) share a set of grandparents through Y and Z's shared parents, making X and W cousins.
9.(a) Each pair's first letter advances by four (C, G, K, O, S) and the second letter advances by four (E, I, M, Q, U), giving SU.
10.(a) The premises do not guarantee any checkpoint is unmanned, and clearly not all stations are checkpoints, so neither conclusion follows.
11.(a) The three legs (south 10 km, west 6 km, north 10 km) cancel the north-south component, leaving only the 6 km westward displacement.
12.(a) The natural sequence is: a summons is issued, charges are framed, evidence is recorded, hearings take place, and judgment is delivered.
13.(a) Each letter shifts forward by one position: F→G, O→P, R→S, E→F, S→T, T→U.
14.(a) A 3×5 grid of unit squares has 4 horizontal lines and 6 vertical lines; the number of rectangles is C(4,2)×C(6,2) = 6×15 = 90.
15.(a) Starting west: 90° clockwise gives north, another 90° clockwise gives east, and 180° from east gives west.
16.(a) Let B's present age be x and A's be 2x; fourteen years ago, 2x−14 = 4(x−14), giving 2x−14 = 4x−56, so 2x = 42, x = 21.
17.(a) An odometer measures distance travelled just as a speedometer measures speed.
18.(a) Substituting the given meanings, 24 S 6 R 5 P 8 Q 3 becomes 24÷6×5+8−3; by standard order of operations, 24÷6=4, 4×5=20, and 20+8−3=25.
19.(a) Total recruits = (11−1)+(16−1)+1 = 10+15+1 = 26.
20.(a) All watchposts are guarded, and all guarded places are secure, so all watchposts are secure follows validly.
21.(a) Each term follows ×2+2: 8×2+2=18, 18×2+2=38, 38×2+2=78, 78×2+2=158.
22.(a) A is B's father, and C, B's sister, is also A's child; D is C's son, making D A's grandson, so A is D's grandfather.
23.(a) Baton, whistle, and handcuffs are items of equipment a constable carries, while a uniform is attire rather than equipment carried.
24.(a) "duty" is common to "night patrol duty roster" and "duty for constables"; comparing with "roster for shifts" isolates "lo" as the code for "duty".
25.(a) Total cadets = (20−1)+(15−1)+1 = 19+14+1 = 34.
26.(a) The Right to Information Act was enacted in 2005.
27.(a) Sardar Vallabhbhai Patel was the first Home Minister of independent India.
28.(a) The Champaran Satyagraha of 1917 took place in Bihar.
29.(a) The Nagarjunsagar-Srisailam Tiger Reserve is the largest tiger reserve in India by area.
30.(a) Nandalal Bose supervised the calligraphy and illustrations of the original Constitution of India manuscript.
31.(a) The Indira Gandhi Canal originates from the Sutlej river (at the Harike Barrage, formed by the Sutlej and Beas).
32.(a) Article 324 provides for the establishment of the Election Commission of India.
33.(a) B. R. Ambedkar was the first Law Minister of independent India.
34.(a) Punjab is known as the "Land of Five Rivers", reflecting the meaning of its name.
35.(a) The Non-Cooperation Movement was launched by Mahatma Gandhi in 1920.
36.(a) The pancreas produces insulin, which regulates blood sugar levels.
37.(a) Sucheta Kripalani, who became Chief Minister of Uttar Pradesh in 1963, was the first woman Chief Minister of an Indian state.
38.(a) The Khajuraho temples are located in Madhya Pradesh.
39.(a) O negative blood is known as the "universal donor" as it can be given to recipients of any blood group.
40.(a) The Cripps Mission came to India in 1942.
41.(a) Haryana borders both the Union Territories of Delhi and Chandigarh, more than the other states listed.
42.(a) The League of Nations was established after World War I.
43.(a) Bachendri Pal was the first Indian woman to climb Mount Everest, in 1984.
44.(a) Akbar is known for his policy of "Sulh-i-Kul" (peace with all), promoting religious tolerance.
45.(a) UNESCO's headquarters is located in Paris.
46.(a) Udaipur is known as the "City of Lakes".
47.(a) India's national emblem is adapted from the Lion Capital of Ashoka at Sarnath.
48.(a) Indira Sagar Lake, formed by the Indira Sagar Dam on the Narmada, is the largest man-made lake in India by volume.
49.(a) The Delhi Subordinate Services Selection Board (DSSSB) conducts the Delhi Police Constable recruitment examination.
50.(a) The Damodar river was historically called the "Sorrow of Bengal" due to its frequent flooding before dam construction.
51.(a) India's Green Revolution was primarily associated with a sharp rise in wheat production.
52.(a) The Dronacharya Award is India's highest honour for excellence in sports coaching.
53.(a) The Special Protection Unit of Delhi Police is responsible for VIP security within the capital.
54.(a) Spain, Portugal, and Morocco are jointly set to host the 2030 FIFA World Cup.
55.(a) Manipuri is the classical dance form that originated in Manipur.
56.(a) The Vaikom Satyagraha of 1924 was primarily concerned with securing temple entry rights for lower castes.
57.(a) English is the most spoken language in the world when counting both native and second-language speakers.
58.(a) Bahadur Shah Zafar was the last Mughal emperor, exiled after the Revolt of 1857.
59.(a) The Indian Space Research Organisation (ISRO) is responsible for India's space research programme.
60.(a) The Blue Line of the Delhi Metro connects Dwarka Sector 21 to Noida Electronic City / Botanical Garden.
61.(a) Bal Gangadhar Tilak and Annie Besant founded the Home Rule League movement in 1916.
62.(a) Ladakh is the largest cold desert region in India.
63.(a) The Special Cell of Delhi Police primarily handles terrorism-related and organised crime cases.
64.(a) Uttar Pradesh is the largest producer of sugarcane in India.
65.(a) National Emergency under Article 352 has been imposed three times in India, in 1962, 1971, and 1975.
66.(a) Sarojini Naidu is known as the "Nightingale of India" for her poetry.
67.(a) Uttar Pradesh has the largest number of Lok Sabha seats among Indian states.
68.(a) The Khelo India Youth Games aim to promote grassroots sporting talent among Indian youth.
69.(a) Article 25 guarantees the Right to Freedom of Religion.
70.(a) Qutb-ud-din Aibak commissioned the construction of the Qutub Minar.
71.(a) Sardar Vallabhbhai Patel presided over the 1931 Karachi session of the Indian National Congress, which adopted the resolution on Fundamental Rights.
72.(a) The Gharial is a critically endangered crocodilian native to Indian rivers and is the focus of dedicated conservation breeding programmes.
73.(a) The Central Bureau of Investigation functions under the Department of Personnel and Training.
74.(a) Qutb-ud-din Aibak built the first storey of the Qutub Minar, with later storeys completed by his successor Iltutmish.
75.(a) NITI Aayog was created through a Union Cabinet resolution in 2015, replacing the Planning Commission, rather than through a formal committee recommendation.
76.(a) Simple interest = (18,000×7×6)/100 = ₹7,560.
77.(a) Total of 20 numbers = 20×35 = 700; total of remaining 19 = 19×33 = 627; excluded number = 700−627 = 73.
78.(a) Cost price = 1,250/1.25 = ₹1,000.
79.(a) Net rate = 1/18−1/30 = 5/90−3/90 = 2/90 = 1/45, so the tank fills in 45 minutes.
80.(a) The average of the first n odd natural numbers equals n, so the average of the first 30 odd numbers is 30.
81.(a) Total distance = 240+360 = 600 km; total time = 4+6 = 10 hours; average speed = 600/10 = 60 km/h.
82.(a) The parts total 4+9 = 13; each part = 182/13 = 14; smaller number = 4×14 = 56.
83.(a) The number = 220/0.55 = 400.
84.(a) Selling price = 2,400×0.80 = ₹1,920.
85.(a) Amount = 30,000×(1.08)² = 34,992; compound interest = ₹4,992.
86.(a) 15(x−10)=9x+12 gives 15x−150=9x+12, so 6x=162, x=27.
87.(a) Area = 25×15 = 375 sq cm.
88.(a) Upstream speed = 20−4 = 16 km/h; time = 96/16 = 6 hours.
89.(a) Each term is multiplied by 3: 5×3=15, 15×3=45, 45×3=135, 135×3=405.
90.(a) A's share is 5 times B's (400% more), so 6 parts = 1,20,000, giving B's share = ₹20,000.
91.(a) ROM stands for Read Only Memory, which retains data even without power.
92.(a) A mouse is a pointing device used to interact with a graphical interface.
93.(a) Ctrl+X is the standard shortcut for cutting selected content.
94.(a) WAN stands for Wide Area Network, spanning large geographical distances.
95.(a) Mozilla Firefox is an example of a web browser, while the others are application software for documents, presentations, and image editing.
96.(a) USB stands for Universal Serial Bus, a standard for connecting peripheral devices.
97.(a) Alt+Tab switches between open applications in Windows.
98.(a) A modem converts digital signals to analog and back for transmission over telephone lines.
99.(a) The .xlsx extension is used for spreadsheet files.
100.(a) The Home key moves the cursor to the beginning of a line in most text editors.