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Consider the grammar given below E? E+E | E*E | E-E | E/E | E^E | (E) | id Assume that + and ^ have the same but least precedence, * and / have the next higher precedence but the same precedence and finally ^ has the highest precedence. Assume + and ^ associate to the left like * and / and that ^ associates to the right. Choose the correct for the ordered pairs (^,^), (-,-), (+,+), (*,*) in the operator precedence table constructed for the grammar.
Which among the following is/are correct? a: Development of mental computation skill among primary school children needs to be encouraged. b: The only way to improve the mental computation skill is through drill and practice. c: Mental computation skill encourages the use of formal and informal strategies to solve a problem.
Human brain is the most sophisticated machine. Here 'sophisticated' is a/an___.
Suppose a database schedule 5 involves transactions T1, T2, .............Tn Consider the precedence graph of S with vertices representing the transactions and edges representing the conflicts. If S is serializable, which one of the following orderings of the vertices of the precedence graph is guaranteed to yield a serial schedule ?
Suppose a database schedule S involves transactions T1, …,Tn. Construct the precedence graph of S with vertices representing the transactions and edges representing the conflicts. If S is serializable, which one of the following orderings of the vertices of the precedence graph is guaranteed to yield a serial schedule? 
In operator precedence parsing whose precedence relations are defined _________
A certain computation generates two arrays a and b such that a[i]=f(i) for 0 ≤ i < n and b[i] = g (a[i] ) for 0 ≤ i < n. Suppose this computation is decomposed into two concurrent processes X and Y such that X computes the array a and Y computes the array b. The processes employ two binary semaphores R and S, both initialized to zero. The array a is shared by the two processes. The structures of the processes are shown below. Process X: private i; for (i=0; i
Which the following are true about the fundamental duties for Indian citizens?
1. They require us to safe guard public property
2. They require us to protect and improve the natural environment
3. They are contained in Article 51A of the Constitution of India
4. They are added by 42nd Amendment of the Constitution of India
5. They require us to develop the scientific temper and spirit of inquiry
6. There were originally 11 fundamental duties
7. They can be enforced through writs as well as promoted through constitutional methods.
Which of the following are the attributes of a profession? 1. The work requires sophisticated skills, use of judgment and exercise of discretion 2. Membership in the profession does not require extensive formal education as well as practical training 3. There are set standards for admission to the profession and conduct for members 4. Significant public good results from practice of the profession Select the correct answer using the codes given below:
A particular parallel program computation requires 100 sec when executed on a single processor. If 40% of this computation is inherently sequential (i.e. will not benefit from additional processors), then theoretically best possible elapsed times of this program running with 2 and 4 processors, respectively, are