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Question: In spite of the fact that sequential files lack direct (targeted) addressing of each of the records and fields (e.g., you cannot easily read/replace the only record with the number 28 from 50 records in the file), they are the most widely used. Explain your answer. Is their mode of operation different from the one used for the files stored on your computer's hard drive?
Explain a sorting algorithm which is optimal with respect to this cost model and uses O(n) space. That is, time used by algorithm should exactly match lower bound
If you get ciphertext message YPHDCRPBEQTAA, decrypt to recover plaintext.
How many elementary operations are used in algorithm given below? The elementary operations are comparison operations (such as > and
Classical Towers of Hanoi problem starts with a stack of n > = 1disks on one of three pegs. Solving problem needs moving stack from peg A to peg B in such a way which only one disc is moved at time and no disc can be placed on top of a disc smalle..
Make a class for services offered by a hair styling salon. Information fields with a String to hold the service description, a double to hold the price, and an integer to hold average number of minutes it takes to perform the service.
Explain the results of executing each of the following grep commands in your home directory.
Evaluate a short algebraic expression using code with three-operand instructions. The expression should have a minimum of three operands and 2 operators.
Write the algorithm which will prompt for and accept four numbers, sort them into ascending sequence and display them to screen. Your algorithm is to include module called Order _two_numbers.
Examine the use of databases in your company. Include what database applications are used. Conclude through proposing improvements.
Recognize at least two data structures which are used to organize typical file cabinet. Why do you feel it is essential to emulate these types of data structures in computer program?
Given a black-box worst-case linear-time algorithm for ?nding median, create algorithm solving the selection problem for an arbitrary order statistic.
Describe an implementation of that algorithm on an SIMD computer where the processors are connected to form a linear array
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