EP MYLABIT F/GO! 2016 W/TECH.IN ACTION
15th Edition
ISBN: 9780134866901
Author: Evans
Publisher: PEARSON CO
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Chapter 3, Problem 1CTQ
Explanation of Solution
Potential power of Google:
- Currently, Google is one of the world’s most popular search engines.
- The potential power of Google is incredible.
- It is because of its speed, and the information it shares.
- Google can track and report each and every requirement of the users from any device at any place in the global world.
- Google will present the data in one place for easy and convenient analysis of the users...
a.
Explanation of Solution
Regarding the policy:
- In order to get the list near the top of the results page and to get the priority, certain websites pay search engines.
- The list listed near the top of the results page possesses certain qualities of high relevance, good performance over time, and competitive bid.
- When the user search for a keyword or any information using search engine, the user tries to get the required information from the first page of the result page...
b.
Explanation of Solution
Effect on website development:
The effects that Google has on website development are as follows:
- Size of the website.
- Graphics-based website.
- Dynamic web pages.
- Updating of the users information.
- Usage of frames.
- Choosing of the domain name...
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Chapter 3 Solutions
EP MYLABIT F/GO! 2016 W/TECH.IN ACTION
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- Whentheuserenters!!,themostrecentcommandinthehistoryisexecuted.In the example above, if the user entered the command: Osh> !! The ‘ls -l’ command should be executed and echoed on user’s screen. The command should also be placed in the history buffer as the next command. Whentheuserentersasingle!followedbyanintegerN,theNthcommandin the history is executed. In the example above, if the user entered the command: Osh> ! 3 The ‘ps’ command should be executed and echoed on the user’s screen. The command should also be placed in the history buffer as the next command. Error handling: The program should also manage basic error handling. For example, if there are no commands in the history, entering !! should result in a message “No commands in history.” Also, if there is no command corresponding to the number entered with the single !, the program should output "No such command in history."arrow_forwardActivity No. Activity Time (weeks) Immediate Predecessors 1 Requirements collection 3 2 Requirements structuring 4 1 3 Process analysis 3 2 4 Data analysis 3 2 5 Logical design 50 3,4 6 Physical design 5 5 7 Implementation 6 6 c. Using the information from part b, prepare a network diagram. Identify the critical path.arrow_forward2. UNIX Shell and History Feature [20 points] This question consists of designing a C program to serve as a shell interface that accepts user commands and then executes each command in a separate process. A shell interface gives the user a prompt, after which the next command is entered. The example below illustrates the prompt osh> and the user's next command: cat prog.c. The UNIX/Linux cat command displays the contents of the file prog.c on the terminal using the UNIX/Linux cat command and your program needs to do the same. osh> cat prog.c The above can be achieved by running your shell interface as a parent process. Every time a command is entered, you create a child process by using fork(), which then executes the user's command using one of the system calls in the exec() family (as described in Chapter 3). A C program that provides the general operations of a command-line shell can be seen below. #include #include #define MAX LINE 80 /* The maximum length command */ { int…arrow_forward
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