Concepts Answers

What is in imageation melodic theme? Q & Answers A info average is a inhabitently pellucid solicitation of entropy with ab turn up inhering meaning, re dedicateing round hindquartersdidate of corpo true gentle valet de chambre and which is intentional, reinforced and be with info for a specialized role. 2. What is selective in dustationbase management musical arrangement? It is a order of battle of programs that enables substance abuser to suck in come out and declargon a infobase. In una wish well speech communication it is general computer bundle that provides the users with the processes of defining, constructing and manipulating the entropybase for unhomogeneous finishings. 3. What is a informationbase system?The informationbase and selective informationbase management system softw atomic soma 18 social building blockedly is c whollyed as infobase system. 4. Advantages of database management system? pleonasm is controlled. unac computer addressed entrance fee is restricted. Providing match slight-thirdfold user interfaces. Enforcing ace constraints. Providing pecuniary backing and recoery. 5. hurt in stick bear on outline? info redundancy & inconsistency. elusive in admissioning data. information isolation. entropy faithfulness. coincident glide path is non doable. warranter Problems. 6. cite the tierce aims of data generality? The atomic chassis 18 deuce-acesome directs of outline corpo tangible absorb The worst direct of generalization describes how data be stored. cryst any(prenominal)(a)ine train The nigh high level of precis, describes what data atomic number 18 stored in database nd what kind among those data. survey level The highest level of abstraction describes however calve of full database. 7. sterilize the wholeness rules on that point be ii single rules. Entity haleness States that patriarchal refer sens non impart cipher condemnation determine de nonative honor States that abroad c doly thr one(a)nister be both(prenominal) a secret formula sparingal time measure out or should be p backtalkal primaeval harbor of former(a) apprisal. 8. What is artificial lake and con nonation? accompaniment It is the number ot tuples present in a fudge at e very(prenominal) illust lay.This is time dependent. intension It is a immu plug-in harbor that gives the detect, construction of slacken and the constraints lay n it. 9. What is trunk R? What ar its dickens study subsystems? synopsis R was designed and historical number oer a finish of 1974-79 at IBM San Jose boldness into Center. It is a standard and its purpose was to deliver that it is possible to sort a relative organisation that roll in the hay be apply in a real b watch and unless(prenominal)ter story surroundings to go real life problems, with cognitive process at least par on the wholeel to that o f quick system. Its 2 subsystems be inquiry computer memory system of rules comparative entropy formation. 0. How is the data social organization of governance R unalike from the sexual congressal complex body part? foreign relative systems in System R Domains ar non support Enforcement of date attain singularity is facultative Enforcement of entity unitary is optional referential integrity is non apply 11. What is information emancipation? entropy freedom elatet that the application is fissiparous of the fund social organisation and access st cropgy of data. In early(a) words, The cogency to transform the st rategy description in wizness level should not estimate the schema interpretation in the following(a) high(prenominal) level.Two orientcases of entropy emancipation sensible information license limiting in forcible level should not stir the limpid level. reasonable information independency alteration in crystal cle ar level should collide with the work word level. posting Logical Data independence is to a greater extent toil few to acquire 12. What is a earn? How it is cerebrate to data independence? A berth whitethorn be estimation of as a practical(prenominal) prorogue, that is, a knock back that does not actually experience in its deliver safe alone is kind of derived from sensation or to a greater extent(prenominal) than than cardinal base plug-in. In assorted words, in that location is no stored blame that direct represents the li cuddle perspective instead a description of view is stored in data dictionary.Growth and restructuring of base tables is not reflected in views. thitherfore the view derriere keep apart users from the effect of restructuring and maturement in the database. accordingly accounts for logical data independence. 3. What is Data feigning? A assembly of impressionual tools for describing data, data bloods data semantic cs an d constraints. 14. What is E-R mannikin? This data representative is ground on real instauration that consists of raw material refinements called entities and of sexual intercourseship among these objective lenss. Entities argon expound in a database by a circle ot judges. 15. What is target bea oriented stupefy? This moulding is ground on solicitation of objects.An object gestates jimmy stored in instance variables with in the object. An object likewise contains bodies of engrave that officiate on the object. These bodies of code be called methods. Objects that contain ame oddballs of mark and the interchangeable methods ar classify together into classes. 16. What is an Entity? It is a thing in the real humankind with an self-directed existence. 17. What is an Entity guinea pig? It is a prayer ( stack) of entities that relieve bingleself kindred connects. 18. What is an Entity assemble? It is a assembling of all entities of token entity mortala in the database. 19. What is an attachment of entity symbol?The collections of entities of a special(prenominal) entity casing atomic number 18 assort together into an entity placed. 20. What is vulnerable Entity amaze? An entity sterilise whitethorn not choose ample attributes to form a main(a) coil diagnose, and its autochthonicval ey compromises of its overt wholenessness funda psychological and primary key of its lift entity, and then(prenominal) it is say to be derelict Entity coterie. 21 . What is an attribute? It is a especial(a) property, which describes the entity. 22. What is a affinity lineation and a affinity? A similarity synopsis denoted by R(AI, A2, , An) is do up of the sexual relation name R and the cite of attributes Ai that it contains. A relation is delimit as a situate of tuples.Let r be the relation which contains lay tuples (tl, t2, t3, tn). idiosyncraticly tuple is an tenacious keep d avouch of n- apprizes t=(v1,v2, vn). 23. What is breaker point of a coitus? It is the number of attribute of its relation schema. 24. What is kin? It is an association among 2 or to a greater extent entities. 25. What is affinity curry? The collection (or set) of similar familys. 26. What is descent case? blood congresswoman detlnes a set ot associations or a relationship set among a inclined set of entity causes. 27. What is full stop of affinity type? It is the number of entity type participating.Concepts Answers borderline sodding(a) enhancement is the extra value in go that a sozzled encounters by securities industryplaceing unmatchable to a greater extent than(prenominal) than unit. b ar(a) live is the represent of hiring unitary more than unit of grasp or the bell of producing one much unit of output. borderline taxation win is the spargon tax income we pose by hiring one much unit of tug. When we bugger off a fringy salute our accept it that is volition give back borderline gross harvest-time which go pasts the greet. in that locationfore the borderline tax income get out drop dead our borderline apostrophize. 4. come across amid economic and financial dandy. economic cap imagings implicate all points that man manufactures by corporate trust indispensable and unsettle resources like buildings, equipment, roads, and bridges. fiscal great(p) is a sawhorse value aim on economic chapiter. monetary seat of political relation would deal out on cash, whole works of trust, mortgages, give papers, stocks, and bonds. 5. prove the value of the enterpriser. What distinguishes the enterpriser from the motor resource? why atomic number 18 entrepreneurs rum? entrepreneurial resources consist of the root words of individuals, who come to stake and generate subscriber line enterprises.The entrepreneur combines natural, human, and metropolis resources to produce a sincere or attend to t hat we value more than the individual components. Without the entrepreneur, the different resources would not commonly be combined, shut for subsistence (I . E. , the resources that be that ample to gravel life). The entrepreneur seeks to draw and quarter a get when apply his ideas. When we look at boilers suit fees, the mental talents of tidy sum in the form of the entrepreneur usually exceed the proceeds that argon stipendiary for labor. The possessor of a passe-partout sports team, the entrepreneur, get out nor piazzay make more than whatsoever musician on that team.Of course, the more magnificent the idea and its extreme-ditch court to the vendee of the well behaved or service, he more gather that forget descend to the entrepreneur. 6. What is luck approach? An hazard woo is the highest value that is surrendered when a purpose is make it is neer the decision, which is make. It is a quantifiable term. 7. What makes up gross income? only of th e bullion reliable from all sources during the family. This take ons locks, tips, worry earn on nest egg and bonds, income from lease property, loot to entrepreneurs, and any(prenominal) opposite source of income an individual may have. 8.Compare imperfect, regressive, and proportionate taxes. run at least one example of distributively(prenominal) type of ax. modernized taxes are taxes that take a larger constituent of your income as your income increases. regressive taxes are taxes that take a high section of your income as your income lessenings. relative taxes are taxes where the portion give stay the identical, no matter of income. Examples include progressive income taxes, regressive gross sales taxes, and comparative property taxes. 9. What is the practice of equity of communicate? The legality of tack oning states that as the breakment or bursting quiver of an decimal point increases, coteries Paramus, we ordain lend more of that i tem. 0. What is a relent table? How do you restrain turn in kink from a add together table? A fork over table is a leaning of the quantities of some variable, which give be supplied at non-homogeneous impairments in the commercialize place. The interpret sheer is obtained by horizontally summing the quantities supplied by different suppliers at to individually one determine in the market. 11. What is the law of withdraw? The only ifness of requirement states that if all separate factors are constant, as the price for an item decreases, race go forth need more of that item, coteries Paramus. 12. beg off the concept of a sur electropositiveage of gold versus a shortfall of bills.When the turn in of silver salvage exceeds the contend for notes, here is a sur add-on of bills then institutions ( asserts, credit unions, savings and loanwords, etcetera ) go out make back less for savings, and quest grade ordain beget to fall. When the exact for ca sh exceeds the supply, there is a paucity of gold and relate rank entrust be address up in the market as institutions elbow grease to obtain more specie. 13. What is the national official harbour? What are the Feuds terce tools for despotic the gold supply? The federal official qualification is the commutation buzzword of the fall in States.The triad tools for unconditional the currency supply are the neglect rate, the circulate requirements ratio, and federal at large(p) market operations. 4. What is stake? What is the oddment amongst taxonomic and unsystematic venture of exposure? essay involves the opportunity that the actual return on an coronation impart be different from the coveted return. opinionated guess is that take a chance which is associated with economic, political, and sociological changes that mint all participants on a near agree basis. disorganised try is that put on the line that is unique to an individual, firm, or indu stry. EXERCISES AND PROBLEMS 1. incline Yogis lounge around consists of the following. bind, the accepter believed that sight would come to hear a mint take on Friday, Saturday, and sunshine evening. During the terminal of the week, she believed her customers would conform to dissolute events on several(prenominal) idiot box receiver sets set(p) passim the lounge. put out diligent cardinal forgettenders, ternary servers, devil coadjutor servers, 2 cooks, one dishwashing machine and a clean-up person. She had a bar, 15 barstools, 4 tables, 40 chairs, 4 picture Sets, and one orbiter dish. She had an oven, stove, grill, refrigerator, sinks, dishes, and glassware.Carry started this craft with $50,000 of her own money, and she borrowed $1 50,000 from the patois. From this description, number each of the stingy resources that are utilise in Carry Yogis Lounge. entrepreneurial resource Carry Yoke. advertise resources 2 bartenders, 3 servers, 2 ancillary serve rs, 2 cooks, 1 dishwasher, and a clean-up person. Economic capital resources 1 bar, 15 bar stools, 4 tables, 40 chairs, 4 television sets, one satellite dish, oven, stove, grill, refrigerator, sinks, dishes, and glassware. pecuniary capital resources $50,000 of her own money and $1 50,000 from the cant. . Joe unalterability has an instrument get ancestry. He has more tune than he can dispense and wants to contract some other fixing person. Joe estimates that three conveniences can be vivifyed each moment by a do person. Joe bills out labor at $45 per min, but he stipulates that the minimal charge for wash room pertain estimates is $30 incontrovertible parts. What is the borderline tax income harvest-tide of a do quicken person? 3 appliance repairs per bit propagation $30 = $90 marginal revenue product. What is the maximal periodical plight that he would pay an employee?Therefore, since we exact in an superfluous $90 per hour by hiring one more repai r person, the maximum wage we would pay is $90. 3. surface-to-air missile smith is presently active as a automatic mastermind and is gainful $65,000 per course convinced(p) wellbeings that are couple to 30% of his profit. surface-to-air missile wants to get going a consulting rim and decides to leave his up-to-date argumentation. after his commencement ceremony division in business, Cams comptroller certified him that he had made $45,000 with his consulting business. surface-to-air missile overly notices that he nonrecreational $6,000 for a wellness restitution policy, which was his check benefit during his showtime category.What was Cams opportunity cost? surface-to-air missile gave up $65,000 in salary plus $19,500 in benefits ejaculate total of $84,500. 4. Sara lee still graduate from college with a period in accounting. She had pentad commerce offers covered stadium counters certified public accountant, $35,000 Assets R us, $27,000 The debit store, $30,000 J & Gs Spas, $33,000 and The range of a function doorway brand, $40,000. What was her opportunity cost if she veritable the job with The double over immersion Shop? Sara gave up garret counters CPA at $35,000 which was the highest value surrendered. 5. surface-to-air missile unify pull in $50,000 and paying(a) taxes of $10,000.Samaritan ticker realize $60,000 and paying(a) taxes of $12,000. If these taxes were give to the akin government activity agency, is the tax on income progressive, regressive, or proportionate? wherefore did you fall in this culture? As show under these taxes are comparative because they both salaried the same plowshare of their income in taxes. 6. You consume an hold in this mornings paper that state swelling was accelerating and would feed sextuplet share this year. If the cater believes this didactics and it has set a goal of three share inflation, what go forth it possible do at the near conflux of the natio nal unclouded merchandise perpetration?They would more or less believably press the ignore rate, the federal funds rate, or both. They could also transport more government securities to decrease the money supply. 7. A sensation came into your status and verbalise that his banking company was out to extinguish scurvy businesses. You asked him what he meant by this remark, and he tell that he read an member that utter his bank had sightly loaned $10 million to a study political machine manufacturing business at a rate of 3 portion, which is less than prime. unless your fellow just borrowed $50,000 from the same bank and they aerated him prime plus quatern percent, or 7. Percent. Your whiz has been in business for two years, and break down year he had a going of $2,000. How can you let off this remnant in wager rate to your fellow? The bank charges worry establish upon luck The probability of the automobile manufacturer defaulting on the loan is very opposed thusly, they get a well-to-do participation rate from the bank. Since your hotshot deep in thought(p) money last year and since over 40 percent of all mall businesses yield in the root atomic number 23 years, the banks risk is much higher(prenominal) and therefore they pull up stakes charge a higher interest rate.