DSSSB TGT Computer Science Full Mock Test 3

Explanation

n(n+1): 1×2, 2×3, 3×4, 4×5, 5×6, 6×7 = 42 (differences 4, 6, 8, 10, 12).

Explanation

Each letter moves back by 3: N(14) − 3 = 11 → K.

Explanation

Each letter +3: S→V, W→Z, A→D, N→Q → VZDQ.

Explanation

The word is simply reversed → STONE → ENOTS.

Explanation

Flute is a wind instrument; the others are string instruments.

Explanation

27=3³, 64=4³, 125=5³ are perfect cubes; 100 is not.

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Object : its function → pen is used to write, knife is used to cut.

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n : n² − 1 → 81 − 1 = 80; 121 − 1 = 120.

Explanation

Each letter +1: H→I, J→K, L→M → IKM.

Explanation

18 ÷ 3 × 4 + 6 − 2 = 24 + 6 − 2 = 28.

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a $ b = a×b + a + b → 6+5=11, 20+9=29, so 18 + 9 = 27.

Explanation

Reena is 12th from left → from right = 25 − 12 + 1 = 14.

Explanation

Chinu > Anu > Binu > Dinu > Enu → Enu is shortest.

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Only daughter of my father = myself. So his wife = the woman herself → Wife.

Explanation

East 10 → North 5 → West 10 (back above start) → North 5. He is 10 m North of the start.

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Q = yellow, S = red, P (not red/blue) = green, so R = blue.

Explanation

Positions: 1-F, 2-B, 3-C, 4-E, 5-D, 6-A → F is at the extreme left.

Explanation

The ad assumes people want whiter teeth (I). It does not claim that no other paste works (II not implicit).

Explanation

The cats that are dogs are also birds → some cats are birds (I). II reverses 'all dogs are birds', which is not valid.

Explanation

(A) Three separate circles. The three are different games with nothing in common as classes → three separate circles.

Explanation

पौ बारह होना = अत्यधिक लाभ होना। TGT 2021 PYQ।

Explanation

फसल सूखने के बाद वर्षा व्यर्थ। TGT 2021 PYQ।

Explanation

जिसे जीता न जा सके = अजेय।

Explanation

यक्षराज = कुबेर। सुरपति, देवराज, पुरंदर = इंद्र।

Explanation

उन्मूलन (जड़ से उखाड़ना) ↔ रोपण (लगाना)।

Explanation

कपाट (तत्सम) → किवाड़ (तद्भव)। TGT 2021 PYQ।

Explanation

त् + श = च्छ (व्यंजन संधि) → विद्युच्छक्ति। (जैसे उत् + श्वास = उच्छ्वास)

Explanation

पहला पद 'यथा' अव्यय — अव्ययीभाव।

Explanation

अलग होने का भाव — अपादान कारक 'से'।

Explanation

उत् + ज्वल = उज्ज्वल (दो 'ज')। 2025 पैटर्न: रेखांकित शब्द शुद्ध करो।

Explanation

'बहन' स्त्रीलिंग है — 'अपनी बहन को'।

Explanation

कर्ता → समय → कर्म/स्थान → क्रिया (क्रिया अंत में)। 2023 पैटर्न।

Explanation

चरण ही कमल हैं — उपमेय-उपमान में अभेद = रूपक।

Explanation

'जो...वह' से आश्रित उपवाक्य — मिश्र वाक्य।

Explanation

कटाई का नकारात्मक परिणाम — 'बिगड़ रहा है'। 2025 पैटर्न: उचित क्रिया।

Explanation

गद्यांश के अनुसार वास्तविक नाम धनपत राय; उर्दू में 'नवाब राय' नाम से लिखा।

Explanation

कफ़न, ईदगाह, पूस की रात — कहानियाँ हैं; गोदान उपन्यास है।

Explanation

'गोदान' और 'कफ़न' में वे कठोर यथार्थ की ओर मुड़ गए।

Explanation

यथार्थ ↔ कल्पना। बाकी तीनों पर्यायवाची हैं।

Explanation

पूरा गद्यांश प्रेमचंद के जीवन, रचनाओं और भाषा पर है।

Explanation

Hardly / Scarcely ke saath 'when'. (No sooner ke saath 'than'.)

Explanation

'Seldom' negative maana jaata hai → positive tag. Present tense → do they.

Explanation

Jab members alag-alag soch rahe hon ('their opinions'), collective noun plural verb leta hai.

Explanation

'look forward to' ke baad V-ing aata hai.

Explanation

good at (kisi kaam mein achha).

Explanation

Chaadar dekh ke pair phailaana. PYQs mein 3 baar.

Explanation

Bahut kam. 'Occasionally' wala trap PYQ mein aaya tha.

Explanation

Signal words: First (Q) → experiment (S) → then compared (P) → Finally (R).

Explanation

General idea (R) → appeal (P) → logon ka kaam (Q) → nateeja (S).

Explanation

Sahi spelling 'Privilege' hai, isme 'd' nahi hota. PYQs mein 2 baar.

Explanation

Atheist = bhagwan nahi hai. Agnostic = pata nahi (PYQ mein 3 baar Agnostic poocha gaya, dono ka fark yaad rakho).

Explanation

Ambiguity = ek se zyada arth, aspashtata. PYQ mein 'Puzzle' answer tha.

Explanation

Loquacious = baatooni. Ulta = Reticent (chup rehne wala).

Explanation

If + had V3 → would have V3. If-clause mein 'would' nahi aata.

Explanation

'Despite of' hamesha galat hai → Despite his illness.

Explanation

Passage: 'Most attacks do not rely on complex hacking; instead, criminals exploit human trust.'

Explanation

Passage mein seedha reason diya hai: chance of freezing the stolen money.

Explanation

Alarming = chinta wala, worrying.

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Cautious = saavdhaan. Ulta = careless. Baaki teen synonym hain.

Explanation

Aakhri line: 'a cautious and informed user remains the strongest wall'.

Explanation

101101 = 45; .101 = 0.5 + 0.125 = 0.625.

Explanation

1's complement has two zeros (+0 and −0).

Explanation

(8K × 8) / (1K × 4) = 8 × 2 = 16.

Explanation

256 blocks / 4 = 64 sets → 6 set bits; offset 6 bits; tag = 32 − 12 = 20.

Explanation

PUSH/POP with operations on the stack top need no address field.

Explanation

Example: MOV A, #25.

Explanation

Registers are inside the CPU.

Explanation

NMI is used for critical events like power failure.

Explanation

7 bits → 128 characters; extended ASCII uses 8 bits.

Explanation

Any logic function can be built from only NAND or only NOR.

Explanation

XOR with 1 inverts the bit.

Explanation

Carry is 1 when at least two inputs are 1 (majority function).

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Output follows the D input at the clock edge.

Explanation

4 MUXes at the first level + 1 to select among them = 5.

Explanation

Swap + and · (and 0 and 1); variables stay unchanged.

Explanation

Completion 4, 7, 8 → TAT 4, 6, 6 → 16/3 ≈ 5.33.

Explanation

Faults at 7, 0, 1, 2, 3, 4 and the later 0.

Explanation

These must all be satisfied.

Explanation

It is a classic two-process software solution.

Explanation

Linux is monolithic with loadable modules.

Explanation

fork() creates a child; exec() loads a new program into it.

Explanation

Output is queued on disk before printing.

Explanation

53 → 199 = 146, then 199 → 14 = 185; total 331.

Explanation

Input: zero or more; output: at least one.

Explanation

The loader then places the executable in memory.

Explanation

Monte Carlo runs in fixed time but may err.

Explanation

% and * have equal precedence, left to right: (10 % 3) * 2 = 2.

Explanation

1 + 2 + 3 = 6.

Explanation

The do-while body runs once before the condition fails.

Explanation

strlen does not count the null character.

Explanation

Remaining elements of a partially initialised array are 0.

Explanation

Call by value swaps only the local copies.

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After B = 5, C gets the next value, 6.

Explanation

break leaves only the innermost enclosing loop or switch.

Explanation

struct defaults to public; class to private.

Explanation

::, ., .*, ?: and sizeof cannot be overloaded.

Explanation

new/delete in C++; malloc/free in C.

Explanation

this refers to the current object.

Explanation

Exception and Error both extend Throwable.

Explanation

String objects are immutable.

Explanation

Java evaluates left to right: 5 (x becomes 6) + 7 = 12.

Explanation

b and a refer to the same list object.

Explanation

Tuples cannot be changed after creation.

Explanation

head(n) defaults to n = 5.

Explanation

3 * 2 = 6; 5 + 6 = 11; 11 − 4 = 7.

Explanation

In a full binary tree, leaves = internal nodes + 1.

Explanation

It needs non-negative edge weights.

Explanation

One pass with no swaps on an already sorted array.

Explanation

12 → 2; 22 → 3 (2 full); 32 → 4 (2 and 3 full).

Explanation

Every parent is ≥ its children.

Explanation

BFS uses a queue.

Explanation

It picks the smallest edges that don't form a cycle.

Explanation

Selection picks rows; projection picks columns.

Explanation

ASC is the default; use DESC for descending.

Explanation

% matches any sequence of characters.

Explanation

Non-matching right-side values become NULL.

Explanation

A gives B, B gives C; D is not derivable.

Explanation

2PL ensures serializability but deadlocks can still occur.

Explanation

Logs and recovery provide durability.

Explanation

Logical independence is the harder one to achieve.

Explanation

Transport – segment; network – packet; data link – frame.

Explanation

/20 masks the third octet with 240: 45 AND 240 = 32.

Explanation

20 for data, 21 for control.

Explanation

Dynamic Host Configuration Protocol.

Explanation

RIP uses hop count; OSPF is link state.

Explanation

Routers forward packets using IP addresses.

Explanation

AES uses one shared key for both encryption and decryption.

Explanation

The session layer manages sessions between applications.

Explanation

Class E is reserved for experimental use.

Explanation

Wi-Fi uses CSMA/CA.

Explanation

Hamming code can correct single-bit errors.

Explanation

GET is the default.

Explanation

Margin is the space outside the border.

Explanation

var is function-scoped; const cannot be reassigned.

Explanation

tr = row; td = data cell; th = header cell.

Explanation

parseInt reads leading digits and stops at the first non-digit.

Explanation

<Name> and <name> are different tags in XML.

Explanation

Sessions are usually stored on the server.

Explanation

A prototype helps clarify requirements.

Explanation

Validation asks 'Are we building the right product?'

Explanation

Drivers are used in bottom-up integration.

Explanation

One module directly modifies another's internals.

Explanation

COCOMO = Constructive Cost Model (1981).

Explanation

It shows messages along lifelines.

Explanation

Adaptive – new environment; perfective – new features.

Explanation

Bresenham's algorithm avoids floating point.

Explanation

For example, 16:9.

Explanation

All transformations become 3 × 3 matrix multiplications.

Explanation

Blocks are linked by cryptographic hashes.

Explanation

Examples: Linux, LibreOffice (often under GPL).