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For a given integer, which of the following operators can be used to 'Set' and 'reset ' a particular bit respectively?

For a given integer, which of the following operators can be used to 'Set' and 'reset ' a particular bit respectively? Correct Answer I and &

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A particular BNF definition for a “word” is given by the following rules. ∷ = | | ∷ = |  ∷ = |  ∷ = a | b | c | ….. |y| z  ∷ = 0 |1|2| …… | 9 Which of the following lexical entries can be derived from < word > ? l. pick II. picks lll. c44
You are the administrator of eight SQL Server 2000 computers. You configure alerts on each server so that various problem conditions will be reported if they occur.You create 20 operators on one of the servers. You configure these operators by using the e-mail and pager contact information for the employees in your department. You configure the alerts on the server to send e-mail messages and pager messages to the appropriate operators.You need to configure the same 20 operators on the other seven servers. You want to do this with a minimum amount of administrative time.What should you do?
Consider the following relational schema. Students(rollno: integer, sname: string) Courses(courseno: integer, cname: string) Registration(rollno: integer, courseno: integer, percent: real) Which of the following queries are equivalent to this query in English? “Find the distinct names of all students who score more than 90% in the course numbered 107” (I) SELECT DISTINCT S.sname FROM Students as S, Registration as R WHERE R.rollno=S.rollno AND R.courseno=107 AND R.percent >90 (II) Πsname (σcourseno = 107∧percent>90 (Registration ⋈ Students)) (III) {T | ∃S ∈ Students, ∃R ∈ Registration (S.rollno = R.rollno ∧R. courseno = 107 ∧ R.percent > 90 ∧ T.sname = S. sname)} (IV) {〈SN〉 | ∃SR∃RP(〈SR, SN〉 ∈ Students ∧ 〈SR, 107, RP〉 ∈ Registration ∧ RP > 90)}
In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even ifthey seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statements:
(I) Empty set is a subset of any set.
(II) A set is a subset of power set. Conclusion:
(I) Empty set is a power set.
(II) A set is a subset of power set.
Consider the Assertion (A) and Reason (R) and select the correct answer:
Assertion (A) If one premise is particular, the conclusion must be particular.
Reason (R) (i) An affirmative particular has no distributed terms, and a negative particular has an only one.
(ii) The premises cannot both be particular and thus must differ in quantity.
Suppliers(Sid: integer, sname:string, city:string, street:string) Parts(pid:integer, pname:string, color:string) Catalog(sid:integer, pid:integer, cost:real) Consider the following relational query on the above database: SELECT S.sname FROM Suppliers S  WHERE S.sid NOT IN (SELECT C.sid FROM Catalog C WHERE C.pid NOT IN (SELECT P.pid FROM Parts P WHERE P.color < > ‘blue’)) Assume that relations corresponding to the above schema are not empty. Which of the following is the correct interpretation of the above query?
The sum o three integers is 40. The largest integer is 3 times the middle integer, and the smallest integer is 23 less than the largest integer. what is the product of the three integers?
When a certain positive integer P is divided by another positive integer, the remainder is $${r_{1}}$$ . When a second positive integer Q is divided by the same integer, the remainder is $${r_{2}}$$ and when (P + Q) is divided by the same divisor, the remainder is $${r_{3}}$$ . Then the divisor may be :
In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the following suggested courses of actions logically follow(s) for pursuing. Statement: The Department of Telecommunications (DoT) is set to conduct ‘special audits’ of mobile phone operators from fiscal 2011-12 onwards to check for under-reporting of revenue that might account for a sharp downturn in license fees and spectrum usage charges (SUC). Annual license fees and SUC paid to the government are calculated based on a telco’s revenue. The audit, to be resumed after a gap of three years, comes when license fee and SUC due to the government fell in 2017 by more than 23% on the year and is expected to fall this year too. This is due to the brutal price war, which expedited a bloody consolidation that saw a spate of exits and mergers & acquisitions that dented telecom revenues.  Courses of action: I. All telecom companies will be audited soon and DoT is preparing for this. This will be the third audit and notices will go out soon. II. DoT proposes to conduct audit/special audit of Aircel for the period of seven years for financial years 2011-2012 to 2017-2018. III. Operators fear the new round of audit could lead to a new dues being demanded from the already stressed sector, sparking more litigation and be a drag on time and resources. 
A state government granted licences to certain private operators to run stage carriages and contract carriages. The stage carriages could run only from one fixed point to another with fixed passengers without any right to pick up passengers en route. No such restrictions were imposed on contract carriages that were required to pay higher rates of tax than stage carriage operators. The contract carriage operators challenge the discriminatory nature of tax imposed on them. In respect of the above which one of the following is correct?