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Scripting the GNU/Linux Shell
1. Write a script that stores the time it takes a command (your choice of command) to run in three variables, real, user, and system, corresponding to the three default times that time prints.
Ex 2.What is wrong with if [ $var=x ]? What should it be? Why does it give the result it does?
Ex 3. Write a function, valid_square(), that returns successfully if its sole argument is a valid SAN chessboard square or fails if it is not. Write a function to test that it works.
Construct two algorithms to print the daily salary of a worker who, each day, is paid twice the previous day's salary for a thirty day period.
Order the following modulation types in terms of spectral efficiency (best to worse) and explain why (be specific, show a number and how you got it): 64-QAM, QPSK, 8-PSK, and BPSK. Assume that the r=0, perfect filtering.
What are some of the key characteristics of an embedded OS? Describe some examples of markets where embedded systems are used. Discuss why they are important. Describe some examples of markets where embedded systems are used
Create a small procedure that adds two words together and stores the results in CX and DX. Call the procedure from a program that loads the words to be added together in registers BX and AX
What is the purpose of system calls and what are the major activities of an operating system with regard to process management - What is the purpose of system programs
I need a plan for how Boardman Managment Group should utilize Smith Systems Consulting as an outside consultant for this project
Given separate instruction and data cache units, the MIPS ISA, an instruction cache miss rate of 15%, a data cache miss rate of 20%, and a miss penalty (for both cache units) of 5 clock cycles, what are the AMAT in cycles per access of the.
Briefly describe direct, parallel, and phased installation. What are the advantages and disadvantages of each installation approach?
give max indrectly addressable mem capacity in bytes.
Discuss the fundamental differences in Windows, Mac OS, UNIX, and Linux operating systems for personal computers? Determine the unique characteristics do mainframe operating systems have?
Explain the impact on the disk's cache of several queries running concurrently, each scanning a different file. Can the above problem be addressed by the DBMS buffer manager doing its own prefetching? Explain.
Assume a time sharing operating system allocated time slices of twenty milliseconds and the machine executed an average of 5000 instructions per microsecond.
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