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Explain the disadvantages Off-the-shelf
- can be over-complex since it tries to cover as many characteristics as possible (for example most users of Word only utilise about 10% of its features)
- Software is often a compromise as it is intended for many users all with various requirements
- may be very complex to learn due to the complexity caused through having unwanted features
- may not fit exactly into company requirements causing a compromise in the way it has to be used within organisation
- If there are typical concerns with a software problem it's unlikely that it would be fixed immediately (as it may cause problems with other users and/or cause software instability)
A parser which is a variant of top-down parsing without backtracking is? Ans. Recursive Descend is a variant of top-down parsing without backtracking.
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What is Locking? When two users at the same time attempt to access the similar data record, this is synchronized by a lock mechanism
Design a 4-bit comparator using combinational logic, and Karnaugh Maps. The inputs of the circuit are two 2-bit numbers. a) Construct the truth table given 2-bits inputs A and B, a
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i) The width of the sorting + merging circuit is equivalent to maximum number of devices needed in a phase is O(n/2). As in the above diagram maximum number of devices for a given
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