DSSSB TGT Computer Science PYQ, 24 Jun 2023, Shift 3 (4:30 PM)

Explanation

Interchanging × and − gives 234 ÷ 18 + 47 × 14 − 18 = 13 + 658 − 18 = 653, so the equation balances.

Explanation

First letters go back by 3 (X, U, R, O, L), second letters go forward by 1 (G, H, I, J, K), and third letters go forward by +1, +2, +3, +4 (C, D, F, I, M). So the next term is LKM.

Explanation

The series has 29 letters, so the 11th from the right is the 19th from the left (J). The 7th letter to its left is the 12th from the left, which is C.

Explanation

19 × 23 + 221 ÷ 17 − 89 = 437 + 13 − 89 = 361, so the signs ×, +, ÷, −, = balance the equation.

Explanation

45 + 45 ÷ 45 = 46 on the left, and 45 × 45 − 1979 = 2025 − 1979 = 46 on the right, so the order +, ÷, =, ×, − works.

Explanation

Before sunset the shadow falls east, so X faces south. His moves are 20 m west, 10 m north, 10 m west, 20 m north and 30 m east. The east-west moves cancel out (30 west, 30 east), leaving him 30 m north of the start.

Explanation

The statement means C ≥ E, F > C and D < E. So C ≥ E > D, which gives C > D (I follows), and E > D (II follows).

Explanation

In every other pair the second number is 4.5 times the first (16 × 4.5 = 72, 24 × 4.5 = 108, 18 × 4.5 = 81). 22 × 4.5 = 99, not 97, so 22 - 97 is the odd one.

Explanation

Rounding gives 24 ÷ 12 − 77 + 30 × 17 = 2 − 77 + 510 = 435.

Explanation

Khalid's new seat is Kapil's old seat, 29th from the right. Sham is 34th from the left and 5 places to the left of Khalid, so Khalid is 39th from the left. Total = 39 + 29 − 1 = 67.

Explanation

In every pair the second number is 3 times the first, but in 13, 23 and 17 the first number is prime. 27 is not prime (both 27 and 81 are powers of 3), so 27 - 81 is the odd pair.

Explanation

Some dogs are goats and all goats are peacocks, so some dogs are peacocks, which means some peacocks are dogs (I follows). Not every dog has to be a goat, so II fails, and "all peacocks are eagles" does not reverse, so III fails.

Explanation

Using the cycle of faces around the ring symbol in dice 1 and 2 (lightning on top, the given symbol on the right in die 1; arrow shape on top, lightning on the right in die 2), the arrow shape (option C) lies two steps from the given symbol, so they are opposite faces.

Explanation

Rohit is 40th from the right, which is 80 − 40 + 1 = 41st from the left. Ram is 15 places to his right, so Ram is 41 + 15 = 56th from the left.

Explanation

Each figure has as many shapes as each shape has sides: 2-sided angles, then 3 triangles, ?, 5 pentagons, 6 hexagons. The missing figure needs 4 four-sided shapes, which is the four diamonds.

Explanation

A is B's brother, B is C's father, C is D's sister, and D is E's brother. So C, D and E are B's children and A is the brother of E's father, which makes A E's paternal uncle.

Explanation

A (1st), M (13th), N (14th) and Y (25th) are in the same position in the string as in the alphabet, so four letters.

Explanation

In a mirror held on the right, the word reads in reverse order (S S E C C A) and each letter is flipped left to right. A stays upright and looks the same, while S and E appear reversed. Options with an upside-down A show a water image instead.

Explanation

Figure X (a slanted line meeting a vertical line) can be traced exactly, at the same size and orientation, inside figure 2.

Explanation

Since false cases are rising, checking complaints before registering an FIR (I) and acting strictly against false complaints (II) both tackle the problem directly, so both courses follow.

Explanation

Bhajan Sopori was a santoor maestro, not a veena player. The other pairs (Zakir Hussain - tabla, Bismillah Khan - shehnai, Hariprasad Chaurasia - flute) are correct.

Explanation

The 7th Constitutional Amendment Act, 1956 added a provision to Article 153 allowing the same person to be appointed Governor of two or more states.

Explanation

India's first Dark Sky Reserve was set up at Hanle in Ladakh, inside the Changthang Wildlife Sanctuary, close to the Indian Astronomical Observatory.

Explanation

Chaityas (prayer halls), viharas (monasteries) and stupas are the classic Buddhist structures. "Monkas" is not a type of Buddhist building.

Explanation

Jahnavi Dangeti of Andhra Pradesh was the first Indian selected for NASA's International Air and Space Program (IASP) in 2022.

Explanation

The 2022 FIFA World Cup was held in Qatar, the first time it was hosted in the Middle East. Argentina won it.

Explanation

According to the Ministry of Mines Annual Report 2021-22, Madhya Pradesh had the largest number of operating mines (excluding fuel, atomic and minor minerals).

Explanation

Vinai Kumar Saxena became Lieutenant Governor of Delhi in May 2022, taking over from Anil Baijal.

Explanation

Amoebiasis is an intestinal infection caused by Entamoeba histolytica that spreads through contaminated food and water. AIDS, gonorrhoea and syphilis are sexually transmitted.

Explanation

In the Battle of Khanwa (1527), Babur defeated the Rajput confederacy led by Rana Sanga, which strengthened Mughal rule in north India.

Explanation

The Mesozoic era (Triassic, Jurassic and Cretaceous periods) is known as the age of dinosaurs.

Explanation

Buiya is a folk dance of the Digaru Mishmi people of Arunachal Pradesh.

Explanation

Operation Vijay (December 1961) was the military action that ended Portuguese rule in Goa, Daman and Diu.

Explanation

The Kanya Shiksha Pravesh Utsav was launched in March 2022 by the Ministry of Women and Child Development with the Ministry of Education and UNICEF. It aims to bring out-of-school adolescent girls back into education or skilling.

Explanation

NAMASTE is run jointly by the Ministry of Social Justice and Empowerment and the Ministry of Housing and Urban Affairs. It aims at the safety and dignity of sanitation workers.

Explanation

A primary rainbow forms after one internal reflection inside the raindrop, and a secondary rainbow after two. That is why the secondary bow is fainter and its colours are reversed.

Explanation

Census 2011 recorded about 68.8% of India's population as rural and about 31.2% as urban.

Explanation

Net National Product = Gross National Product − depreciation (the consumption of fixed capital).

Explanation

Among states, Meghalaya had the highest decadal population growth in 2001-2011, about 27.9%.

Explanation

P. T. Usha was elected the first woman president of the Indian Olympic Association in December 2022.

Explanation

A = 1.16B gives B = 12528 ÷ 1.16 = 10,800, and A = 0.8C gives C = 12528 ÷ 0.8 = 15,660. So B + C = ₹26,460.

Explanation

Numerator: 32/5 ÷ (16/3 × 9/2) − (4/3 ÷ (18/5 × 5/6)) + 2/5 = 4/15 − 4/9 + 2/5 = 2/9. Denominator: 3/4 − 8/3 ÷ (6/5 × 5/9) + 17/4 = 3/4 − 4 + 17/4 = 1. So the value is 2/9.

Explanation

A = kB/C, and 20 = k × 25/18 gives k = 14.4. Then A = 14.4 × 35/16 = 31.5.

Explanation

Six years ago the ages were 5x and 11x. Then (5x + 12)/(11x + 12) = 11/17 gives x = 2. Present ages are 16 and 28, and their sum is 44.

Explanation

Average exports in 2018 and 2020 = (540 + 640)/2 = 590, and total imports in 2017 and 2019 = 265 + 500 = 765. 590 : 765 = 118 : 153.

Explanation

Selling price = 1.6 × 0.75 × 0.95 = 1.14 times the cost price, so the profit is 14%.

Explanation

63° stands for 105 students, so 1° = 5/3 student. Class VII = 75.6 × 5/3 = 126, of which boys = 126 × 5/14 = 45. Class X = 64.8 × 5/3 = 108, of which girls = 108 × 5/9 = 60. 45 : 60 = 3 : 4.

Explanation

Acid in 7 L of A = 2 L, and acid in 9 L of B = 54/13 L, so the total acid is 80/13 L in 16 L, a fraction of 5/13. Acid in 312 mL = 312 × 5/13 = 120 mL.

Explanation

For 8, the number 7y4 must be a multiple of 8, so y = 0, 4 or 8. For 11, 29 − (11 + x + y) must be a multiple of 11, so x + y = 7. Valid pairs are (7, 0) and (3, 4), and (7, 0) gives the maximum 5x − 3y = 35.

Explanation

(11/25) SP = 0.66 CP gives SP = 1.5 CP. Then 80% of SP = 1.2 CP, which is a 20% profit.

Explanation

Speed is the same, so (L + 900)/75 = (L + 420)/50. This gives 25L = 13,500, so L = 540 m.

Explanation

Together the pipes fill 1/20 − 1/40 = 1/40 per hour, so 30 hours fill 3/4 of the tank. A alone fills the remaining 1/4 in 5 hours, so the total is 35 hours.

Explanation

π(R² − r²) = 1540 gives R² − r² = 490. With R − r = 7, R + r = 70, so R = 38.5 cm. The square's side = 77 cm, so the perimeter is 308 cm.

Explanation

After the ₹700 down payment, ₹900 is owed and repaid as 3 × ₹310. Equating values at the end: 900(1 + 3r/1200) = 930 + 310 × 3r/1200, so 1.475r = 30 and r ≈ 20.3%.

Explanation

Interest for 1.5 years = 7410 − 6747 = 663, so ₹442 per year. Principal = 7410 − 5 × 442 = 5200, and the rate = 442/5200 = 8.5%.

Explanation

Total volume = (1/3)π × 21² × (31 + 53) = 12,348π. Then (4/3)πR³ = 12,348π gives R³ = 9261, so R = 21. Surface area = 4π × 21² = 1764π.

Explanation

Take A's rate as 3 units a day and B's as 2, so the work is 42 units. B alone does the last 2 days (4 units), and the other 38 units at 5 a day take 7.6 days. Total = 9.6 = 9 3/5 days.

Explanation

The capital ratio 2/3 : 3/8 = 16 : 9. Over the year A has 16 × 4 + 8 × 8 = 128 and B has 9 × 4 + 12 × 8 = 132. B's share = 39 × 132/260 = ₹19.8 lakh.

Explanation

n = HCF of the differences (649, 708, 1357) = 59. 1529 = 59 × 25 + 54, so r = 54. Then 3n − 2r = 177 − 108 = 69.

Explanation

The total time is 2 hours, so the distance = 72.25 × 2 = 144.5 km. The first two parts cover 60 + 32 = 92 km, which leaves 52.5 km in 35 minutes, so x = 52.5 × 60/35 = 90 km/h.

Explanation

Option C spells horizontal and referred correctly. The other options misspell them as horrizontal, refferred or refered.

Explanation

The proverb means you cannot enjoy two things that are mutually exclusive: if you eat the cake, you no longer have it.

Explanation

4 introduces road safety rules, 2 gives the accident statistic, 1 calls for collective effort, and 3 concludes with the benefit of following the rules.

Explanation

Propensity means a natural tendency or inclination, so its opposite is disinclination. Aptness and disposition are near-synonyms.

Explanation

An egoist is self-centred and seeks to increase his own importance (self-aggrandisement). An altruist is the opposite.

Explanation

"Detect" is a verb and cannot describe "dog". The correct noun compound is "detection dog".

Explanation

"Barely/Hardly ... when" takes the past perfect with inversion: "Barely had they won the match when ...".

Explanation

The correct phrasal verb is "engage in", so it should read "that engage in dust bathing".

Explanation

"Read between the lines" means to understand the hidden or implied meaning.

Explanation

Option A spells conservation, canines, indispensable and biologists correctly. The other options have errors such as cannines, indispensible and Conversatoin.

Explanation

"No sooner had" must be followed by the past participle, so "No sooner had the company launched ... than" is correct.

Explanation

"Blow off steam" means to release pent-up energy or strong feelings.

Explanation

2 introduces cataract, 4 says it is common in old age, 1 explains how the lens becomes opaque, and 3 says this blocks light from entering the eye.

Explanation

Gerontology is the study of ageing and old age. Chronology deals with the order of events, and genealogy with family lineage.

Explanation

"Waves" fits both blanks: she waves (moves) her hands, and the huge waves of the ocean.

Explanation

The author narrates personal travel and language-learning experiences in order and describes places vividly, so the tone is narrative and descriptive.

Explanation

The passage moves from travelling to many countries to learning French, Spanish and Chinese, so "Travel and Language" fits best.

Explanation

The author calls the cognate similarity "incredible", which means unbelievable.

Explanation

"Unique" (one of a kind, special) is the opposite of ordinary. The author says each country gave "a unique learning experience".

Explanation

At thirteen the author saw Stonehenge and walked along the Great Wall of China, amazed that the ancient stones were still in place.

Explanation

हिंदी वाक्य में सामान्य पदक्रम कर्ता + कर्म + क्रिया होता है। 'जनता (कर्ता) शासक की आज्ञा का (कर्म) पालन करती है (क्रिया)' इसी क्रम में है, इसलिए यह शुद्ध है।

Explanation

शुद्ध शब्द 'नीरोग' है (निः + रोग)। 'र' से पहले आए विसर्ग का लोप हो जाता है और 'इ' दीर्घ होकर 'ई' बन जाती है, इसलिए 'निरोग' अशुद्ध है।

Explanation

'समंजित' का अर्थ है ठीक से मेल खाया हुआ या व्यवस्थित। 'अ' उपसर्ग लगाने से इसका विलोम 'असमंजित' बनता है।

Explanation

सही मुहावरा 'ओस का मोती होना' है, जिसका अर्थ है क्षणभंगुर होना या जल्दी नष्ट हो जाना।

Explanation

भाः + कर = भास्कर। यह विसर्ग संधि है: विसर्ग के बाद 'क' आने पर विसर्ग 'स्' में बदल जाता है।

Explanation

पहले विकल्प में कर्ता (अंगद), कर्म और क्रिया उचित क्रम में हैं। बाकी वाक्यों में पदक्रम बिखरा हुआ है, जैसे क्रिया बीच में आ गई है।

Explanation

'लहसुन' का तत्सम रूप 'लशुन' है। हरड़ (हरीतकी), हल्दी (हरिद्रा) और हींग (हिंगु) तद्भव शब्द हैं।

Explanation

आचार्य रामचंद्र शुक्ल के निबंध 'श्रद्धा-भक्ति' का प्रसिद्ध कथन है: 'श्रद्धा एक सामाजिक भाव है'। इसलिए रिक्त स्थान में 'भाव' आएगा।

Explanation

खड्ग (खंग), असि, कृपाण और करवाल तलवार के पर्यायवाची हैं। चाप धनुष को कहते हैं, कीर तोते को और कुम्भिल चोर को।

Explanation

पीछे-पीछे चलने वाले को 'अनुगामी' कहते हैं। 'अनुवर्ती' का अर्थ भी पीछे चलने वाला है, पर मानक उत्तर 'अनुगामी' है।

Explanation

'मौका' अरबी भाषा से आया विदेशज शब्द है। साथ, दर्शन और समय तत्सम या तद्भव शब्द हैं।

Explanation

'विष को धारण करता है जो' (अर्थात शिव या साँप) — जब विग्रह के दोनों पद मिलकर किसी अन्य पद की ओर संकेत करें, तो बहुव्रीहि समास होता है।

Explanation

जो पहले पैदा हुआ हो, उसे 'अग्रज' कहते हैं (जैसे बड़ा भाई)। 'अनुज' बाद में पैदा होने वाले को कहते हैं।

Explanation

इन पंक्तियों में 'स' वर्ण की आवृत्ति (अनुप्रास, शब्दालंकार) और 'मदिरा सी', 'प्रभुता सी' में उपमा (अर्थालंकार) दोनों हैं। इसलिए यहाँ उभयालंकार है।

Explanation

चिथड़े फटे-पुराने कपड़े होते हैं, इसलिए 'फटे-पुराने' विशेषण वाक्य में उपयुक्त बैठता है।

Explanation

'कथोपकथन' का अर्थ है संवाद या बातचीत। मीमांसा, समीक्षा और निरूपण आलोचना या विवेचन के पर्याय हैं।

Explanation

गद्यांश के अनुसार वाजपेयी ने छायावादी काव्य की विस्तृत समीक्षा करके उसे प्रतिष्ठित कराया और वे छायावादी एवं स्वच्छंदतावादी समीक्षक माने जाते हैं।

Explanation

गद्यांश के अनुसार हजारी प्रसाद द्विवेदी ने कबीर की भाषा की शक्ति पर विचार करते हुए उन्हें 'वाणी का डिक्टेटर' कहा।

Explanation

'उजागर' का अर्थ है प्रकट या स्पष्ट होना। गद्यांश में इसका प्रयोग इसी अर्थ में हुआ है: कृतियाँ उनके चिंतन को उजागर करती हैं।

Explanation

गद्यांश में शुक्ल जी के बाद के आलोचकों, नंददुलारे वाजपेयी और हजारी प्रसाद द्विवेदी, की चर्चा है। इसलिए 'शुक्ल परवर्ती हिन्दी आलोचना' सबसे उचित शीर्षक है।

Explanation

The class-loader hierarchy is Bootstrap (Primordial) → Extension → System (Application). The System ClassLoader is at the bottom, so by default it has no child class loaders.

Explanation

In-house development uses the organisation's own staff, infrastructure and knowledge, so it avoids vendor licences and outsourcing fees. That is why it is described as the lowest-cost route to a KM system.

Explanation

An information system is a set of interrelated components (people, hardware, software, data, procedures) that collect, process, store and distribute information to support decision-making and control.

Explanation

Translating source code into machine code is the job of a compiler or interpreter. The OS provides program execution, resource management and inter-process communication.

Explanation

ASP.NET server controls must carry runat="server", for example <asp:Button ID="b1" runat="server" />. Without it they are not processed on the server.

Explanation

Computer architecture includes Instruction Set Architecture, Microarchitecture and system designs such as Harvard and von Neumann. Software architecture is a software-engineering concept, not a computer architecture type.

Explanation

255.255.240.0 is a /20 mask, which leaves 12 host bits. 2¹² − 2 = 4094 usable hosts (the network and broadcast addresses are excluded).

Explanation

A virtual-circuit network sets up a path (connection) before data is sent. A datagram network routes each packet independently, with no setup.

Explanation

The standard risk responses are avoidance, transfer, mitigation and acceptance. Risk generation is not a risk management method.

Explanation

111111₂ = 32 + 16 + 8 + 4 + 2 + 1 = 63 (that is, 2⁶ − 1).

Explanation

Removing vertex 2 splits {1, 3, 4, 9, 10} from {5, 6, 7, 8}, removing 3 cuts off 9 and 10, and removing 5 cuts off 6. Vertices 1, 4, 7 and 8 lie on cycles, so the articulation points are 2, 3 and 5.

Explanation

A Decision Support System is an interactive computer-based system that analyses data and models to help managers make better decisions.

Explanation

MSIL (Microsoft Intermediate Language, also called CIL) is CPU-independent code produced by .NET compilers. The JIT compiler converts it to native code at run time.

Explanation

CMM is the Capability Maturity Model from the SEI. It rates software process maturity on five levels: Initial, Repeatable, Defined, Managed and Optimizing.

Explanation

Marginal revenue = change in total revenue ÷ change in quantity sold, that is, the extra revenue from one more unit.

Explanation

Burst time is the CPU time a process needs to complete its execution, not the time it takes to start. The other definitions are correct.

Explanation

cin.ignore(x, y) discards up to x characters from the input, or stops earlier once the delimiter character y has been read and discarded.

Explanation

A page fault occurs when a program refers to a page that is not currently in main memory. The OS then loads it from secondary storage.

Explanation

Cash or goods withdrawn by the owner for personal use are called drawings. They reduce the owner's capital.

Explanation

The href attribute of the <a> tag gives the destination URL of a hyperlink, as in <a href="page.html">.

Explanation

A try block can be followed by many catch blocks but at most one finally block. A try with only a finally (no catch) is also allowed, so A is wrong.

Explanation

32 KB / 1 KB = 32 blocks, and with 4 ways that is 8 sets (3 set bits). The block offset is 10 bits and the address is 35 bits (32 GB = 2³⁵ bytes). Tag = 35 − 3 − 10 = 22 bits.

Explanation

The CMOS memory that stores BIOS settings is kept powered by a small coin-cell battery on the motherboard. POST runs at power-on (not shutdown), and bootstrap code is in ROM.

Explanation

T = 2π√(x/g), so the extension x = gT²/4π² = 9.8 × 0.36 / 39.48 ≈ 0.089 m. The spring shortens by this amount when the mass is removed.

Explanation

/usr holds user programs, libraries and documentation. Temporary files are kept in /tmp.

Explanation

Elasticity of demand measures the degree (extent) of responsiveness of quantity demanded to a change in price.

Explanation

FORTRAN stands for FORmula TRANslation. It was developed by IBM (John Backus) in 1957 for scientific computing.

Explanation

In a path graph the two end vertices have degree 1 and every other vertex has degree 2, so n − 2 vertices have degree 2.

Explanation

In the source's classification, businesses are experience driven, efficiency driven or expert driven. "Expense driven" is not one of the types.

Explanation

For the arithmetic mean, Σ(x − x̄) = 0, so the sum of deviations measured from the mean is always zero.

Explanation

All-pairs shortest path (Floyd-Warshall) is solved by dynamic programming. Binary search, quick sort and Strassen's multiplication are divide and conquer algorithms.

Explanation

The plane x/a + y/b + z/c = 1 meets the axes at a, b and c. The tetrahedron's volume = (1/3) × (ab/2) × c = abc/6.

Explanation

target="_top" opens the link in the full body of the window and breaks out of all frames. _blank opens a new window, and _parent opens it in the parent frame.

Explanation

S1 has R1(B) before W2(B) (T1→T2) and R2(A) before W1(A) (T2→T1), which forms a cycle. S2 only has edges T2→T1, so it is conflict serializable (equivalent to T2, T1).

Explanation

An external stylesheet is linked in the <head> with <link rel="stylesheet" type="text/css" href="style.css">.

Explanation

jQuery's slideDown() shows a hidden element with a sliding-down animation. slideUp() hides it and slideToggle() switches between the two.

Explanation

Liang-Barsky is a parametric line-clipping algorithm. DDA, Bresenham and the mid-point algorithm are line or circle drawing algorithms.

Explanation

Under the double-entry system, every transaction has two aspects, a debit and a credit, of equal amounts.

Explanation

New files are created with 666 permissions, and the default umask 022 turns that into 644, which is rw-r--r--.

Explanation

When a mobile station enters a new area, the serving VLR registers it and informs the HLR of the location change, so the HLR always knows which VLR area the subscriber is in.

Explanation

Eg = hc/λ = 12400 eV·Å / 5511.11 Å ≈ 2.25 eV.

Explanation

The waterfall model is simple and considered low cost for well-defined projects, but it takes long and carries high risk. So "high cost" is the statement that is not true of it.

Explanation

Pseudo-code is already written in structured, code-like statements, so it is the easiest to turn directly into a program.

Explanation

Growth order: log n < n < n log n < n² < n² log n < 2ⁿ. Exponential growth is the fastest.

Explanation

The CSS filter grayscale(100%) makes an image completely black and white, so the rule is img { filter: grayscale(100%); }.

Explanation

grep (global regular expression print) searches files for a pattern and prints the matching lines. tr changes case, cut extracts columns, and a pipe redirects output.

Explanation

DOM, SAX and JDOM are XML parsers or APIs. Shell is a command interpreter, not an XML parser.

Explanation

The effect of lighting depends on the light source, the surface's properties and the observer's position. The rendering algorithm is a technique for drawing the scene, not a lighting parameter.

Explanation

4 KB = 4 × 1024 = 4096 bytes, not 4069. The others are right: 5 KB = 10,240 nibbles, 3 KB = 24,576 bits and 2 KB = 4096 nibbles.

Explanation

Δe^(ax+b) = e^(a(x+h)+b) − e^(ax+b) = (e^(ah) − 1)e^(ax+b). Applying Δ n times gives (e^(ah) − 1)ⁿ e^(ax+b).

Explanation

Cascading counters multiplies their moduli: 6 × 8 = 48, giving a Mod-48 counter.

Explanation

Complementing one input of an XOR complements the whole result: A ⊕ (B ⊙ C) = A ⊕ (B ⊕ C)' = (A ⊕ B ⊕ C)'. That is the complement of the three-variable function.

Explanation

An external DTD is declared as <!DOCTYPE root-element SYSTEM "file-name">, where the root element name comes before SYSTEM and the file path.

Explanation

PQ⁺: P → RT adds R and T, and Q → S adds S. QS → TU then adds U, so PQ⁺ = PQRSTU (PQ is a key).

Explanation

Check 8x² − 19x + 12: at x = 1 it gives 1, at x = 3 it gives 72 − 57 + 12 = 27, and at x = 4 it gives 128 − 76 + 12 = 64. It matches all three points.

Explanation

A sum of 5 occurs 4 ways and a sum of 9 occurs 4 ways out of 36, so P(5 or 9) = 8/36 = 2/9. The required probability is 1 − 2/9 = 7/9.

Explanation

Separating variables gives e^(−y) dy = e^x dx. Integrating gives −e^(−y) = e^x + k, so e^x + e^(−y) = c.

Explanation

Transport-layer flow control (with acknowledgements and retransmission) stops a fast sender from overwhelming the receiver, which prevents data loss.

Explanation

Descriptive attributes belong to a relationship set and record information about the relationship itself, such as the date a student enrolled in a course.

Explanation

TCP is connection-oriented (it uses a three-way handshake), so calling it connection-less is false. UDP is the connection-less protocol.

Explanation

Packages do provide controlled access through package-private (default) and protected access. They also prevent naming conflicts and support encapsulation.

Explanation

In slow start, cwnd grows by 1 MSS for each ACK, which roughly doubles the window every round-trip time until it reaches the threshold.

Explanation

A knowledge management system aims at capturing and sharing knowledge, integration and supporting strategy. Portability is not one of its purposes.

Explanation

Per the key, system software is traditionally written in a low-level (assembly or machine-oriented) language for close hardware control, while application software is written in high-level languages.

Explanation

C shell, Korn shell and Bourne shell are Unix/Linux shells. "Alpha cell" is not a shell.