DSSSB TGT Computer Science Full Mock Test 5

Explanation

×2, ×3, ×4, ×5, ×6 → 120 × 6 = 720 (factorial series).

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Each pair starts 3 letters ahead: A, D, G, J, M → MN.

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Each letter −1: T→S, R→Q, E→D, E→D → SQDD.

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Letters alternately +1 and −1: S+1=T, I−1=H, L+1=M, V−1=U, E+1=F, R−1=Q → THMUFQ.

Explanation

Mango is a fruit; the others are flowers.

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36=6², 49=7², 64=8² are perfect squares; 72 is not.

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Creator : creation → an author writes a book, a sculptor makes a statue.

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n : n³ → 5³ = 125.

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Each letter +3: S→V, T→W, U→X → VWX.

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20 ÷ 4 × 3 + 7 − 5 = 15 + 7 − 5 = 17.

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a * b = a² + b → 16+2=18, 36+3=39, so 64 + 5 = 69.

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Neha from left = 36 − 10 + 1 = 27. Priya = 27 − 6 = 21st from left.

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His rank from the bottom does not change: 50 − 18 + 1 = 33.

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Her father's only son = her brother = Mohan's father → the lady is Mohan's paternal aunt (Bua).

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South and North cancel. Net horizontal: 3 km West + 7 km East = 4 km East.

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A=3, B=4, C=6, D=1 (odd, below 3). E must be on 5 (odd). Remaining floor 2 → F.

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Positions: 1-A, 2-C, 3-F, 4-D, 5-B, 6-G, 7-E. Second to the right of C (2) is position 4 → D.

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I is a direct restatement of the statement. II is an assumption not supported by the statement.

Explanation

All A are B and all B are C → all A are C (I). Since all A are C, some C are A (II). Both follow.

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(A) Three concentric circles. Delhi is inside India, India is inside Asia → three concentric circles.

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नौ दो ग्यारह होना = चुपके से भाग जाना।

Explanation

काफ़ी उधार की जगह थोड़ा नकद अच्छा। TGT 2021 PYQ।

Explanation

आदि + उपान्त = आद्योपान्त।

Explanation

द्रुम = वृक्ष। राजीव, पंकज, शतदल = कमल।

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कृतज्ञ (उपकार मानने वाला) ↔ कृतघ्न (उपकार न मानने वाला)।

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क्ष → ख : क्षेत्र → खेत।

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सु + आगत (उ → व्) = स्वागत — यण संधि।

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राजा का पुत्र — संबंध तत्पुरुष।

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स्वतंत्रता किसी 'को' होती है — 'को' परसर्ग।

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शुद्ध रूप: श्मशान। TGT 2021 PYQ।

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'मेरे को' अशुद्ध है — 'मुझे'। TGT 2024 PYQ।

Explanation

विशेषण-क्रम सही और क्रिया अंत में। 'इस पेड़ के बहुत फल मीठे हैं' में अर्थ बदल जाता है। 2025 पैटर्न।

Explanation

'पानी' एक बार में कई अर्थ (चमक, इज्जत, जल) — श्लेष।

Explanation

कर्ता स्वयं न करके दूसरे से कार्य करवाता है — प्रेरणार्थक (-वाना)।

Explanation

हर्ष/आश्चर्य सूचक शब्द के बाद विस्मयादिबोधक (!)। TGT 2021 PYQ।

Explanation

गद्यांश के अनुसार महर्षि पतंजलि ने 'योगसूत्र' की रचना की।

Explanation

आठ अंग: यम, नियम, आसन, प्राणायाम, प्रत्याहार, धारणा, ध्यान, समाधि।

Explanation

'केवल शारीरिक व्यायाम' आम धारणा है; वास्तव में योग शरीर, मन और आत्मा को जोड़ने की कला है।

Explanation

गद्यांश के अनुसार 21 जून (2015 से)।

Explanation

प्राचीन ↔ अर्वाचीन (आधुनिक)।

Explanation

Cattle hamesha plural → are.

Explanation

No sooner… than.

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Positive (has visited) → negative tag with same helping verb: hasn't she. PGT 2024 mein yahi pattern aaya.

Explanation

Beemari se maut → die of. (Chot se → die from.)

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'Not only' sentence ki shuruaat mein ho to inversion: did + subject + V1.

Explanation

Mar jaana. PYQs mein 3 baar.

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Jaan-boojh ke ignore karna. PYQs mein 3 baar.

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Ichchha (Q) → bachat (P) → paisa jud gaya (R) → pita ka gift (S).

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Aag lagi (Q) → hawa se phaili (S) → fire engine aaye (R) → koi ghayal nahi (P).

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Sahi spelling 'Embarrass' hai (double r, double s).

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Equinox = din-raat barabar. Solstice = sabse lamba/chhota din. PYQs mein 2 baar.

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Disenable = asamarth banana. APT 2022 mein 2 baar, answer Cripple.

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Comprehensive = vyaapak. PYQs mein 2 baar (Shallow / Superficial).

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Furniture uncountable hai → singular: was.

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'who' yahan 'players' (plural) ke liye hai → who have ever.

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Passage: 'deep reading builds skills that short posts cannot'.

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Passage: fiction 'can make us more empathetic'.

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Intimidate = darana. 'Invite rather than intimidate' mein dono ulte hain.

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Accessible = aasaani se milne wala. Ulta = unreachable.

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Passage: 'The solution, however, is not to blame technology… What matters is the quality of attention'.

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1A = 26; .8 = 8/16 = 0.5.

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They differ in 3 bit positions.

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2^12 × 8 bits = 4096 bytes = 4 KB.

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30 = 20h + 120(1 − h) → 100h = 90 → h = 0.9.

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RISC uses fixed-length instructions and load/store architecture.

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Many CPUs keep ALU results in the accumulator.

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PSW = Program Status Word.

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It is searched by content rather than by address.

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Solid State Drives use flash memory.

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This is also the carry of a full adder.

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XNOR outputs 1 when inputs are equal.

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Borrow occurs when A = 0 and B = 1.

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2^5 = 32.

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The four corner cells of the K-map: B = 0 and D = 0.

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Swapping the meaning of 0 and 1 turns AND into OR (duality).

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P1(0–4) P2(4–8) P1(8–14). WT: P1 = 14 − 10 = 4, P2 = 4. Average 4.

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0.999 × 100 + 0.001 × 10,000,000 ns ≈ 10,100 ns.

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Five philosophers share five forks.

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A cycle in the wait-for graph means deadlock.

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Segments are of variable size.

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Pages are loaded only when referenced.

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pwd = print working directory.

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Each thread has its own stack, registers and PC.

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n × n iterations.

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Compilers handle high-level languages; linkers combine object files.

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A core part of computational thinking.

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i = 2 is skipped; the loop stops at i = 4.

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'A' = 65; 65 + 2 = 67 printed with %d.

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p points to arr[1] = 4; p[1] = arr[2] = 6.

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'a' (97) − 32 = 65 = 'A'.

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else pairs with the inner if; the outer if is false, so nothing prints.

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8 → 4 → 2 → 1 → 0 gives 4 calls adding 1.

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"abc" is smaller than "abd", so strcmp is negative and the comparison is true.

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It returns a generic void pointer (or NULL on failure).

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Declared as virtual void f() = 0;

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Example: Student s2 = s1;

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Example: void Student::show() { ... }

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Overriding gives run-time polymorphism.

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Except when System.exit() is called.

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Others: Character, Double, Boolean, etc.

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charAt(2) = 'v' (118); char + int is int: 118 + 4 = 122.

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/ always gives a float in Python 3.

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Starts at 2, step 3, stops before 10.

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fillna() replaces them; isnull() only detects them.

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(B + C) first, then *, then / (left to right).

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Catalan number C3 = 5.

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Balance factor = height(left) − height(right).

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It uses dynamic programming in O(V^3).

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At most one swap per pass (n − 1 swaps).

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Insert and delete-max/min take O(log n).

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This allows traversal in both directions.

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Input- and output-restricted deques are special cases.

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BETWEEN is inclusive of both ends.

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A NULL foreign key simply means no related row.

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BCNF + no non-trivial multivalued dependencies.

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Peter Chen proposed the ER model.

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The common attributes must be a key of at least one part.

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Recovery starts from the latest checkpoint instead of the whole log.

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Transaction Control Language.

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A, B and C each determine all attributes.

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IP packets (datagrams) travel at layer 3.

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/26 blocks of 64: 64–127, so the broadcast is .127.

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IMAP 143, SMTP 25, IMAPS 993.

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TLS encrypts data between browser and server.

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BGP is a path-vector protocol used on the Internet.

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It filters frames using MAC addresses.

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It enforces security rules between networks.

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Logical Link Control and Media Access Control.

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20 bytes without options; maximum 60 bytes.

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Data flows in only one direction.

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2 × B × log2(L) = 2 × 3000 × 1 = 6000 bps.

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hr draws a horizontal rule.

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visibility: hidden keeps the space.

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Arrays are objects; use Array.isArray() to check.

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iframe = inline frame.

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JSON.stringify() does the reverse.

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Asynchronous JavaScript and XML.

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Media queries apply styles based on screen size.

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The other three options are reversed.

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Verification checks if the product is built right.

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If smoke tests fail, the build is rejected.

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Number of decision points + 1 = 3 + 1 = 4.

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It manages versions, baselines and change requests.

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It shows the whole system as a single process.

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Often done before re-engineering legacy software.

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Also called rasterisation.

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Persistence of vision makes the motion appear continuous.

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JPEG is for still images.

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It reduces latency for IoT devices.

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Example: WannaCry (2017).