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Operating System Questions and Answers (Q&A)

M. Krasinski, Content Writer
Answered: Oct 24, 2018
There are times when people would be pressing to open one program several times when the program can only be opened one at a time. This is the critical period because the OS does not allow this...Read More

4 Answers

3035 views
E. Barnes, Professional Gamer
Answered: Feb 26, 2019
When you enter the the command "echo welcome > /dev / tty," the result will be echoes welcome only in the terminal in which it is runned. Another result when you enter this command would be...Read More

2 Answers

2916 views
Robert Hazlewood, Senior Executive
Answered: Dec 26, 2018
The file extension of a flash file is FLA but this option is not available in the question above. Flash file is the master document for a flash project; this file can only be opened with...Read More

3 Answers

2294 views
G. Woods, College student
Answered: Sep 24, 2020
You will assign the value of variable var2 to var 1 in this mode; Var1=$var2
A variable is defined by merely assigning a value to a name making use of the = operator. A variable name is a...Read More

2 Answers

2015 views
AkshayMishra
Answered: Jul 19, 2024
Once created, the data marts will keep on being updated from the data warehouse at periodic times

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1 Answer

1323 views
H.Jennifer
Answered: Apr 23, 2018
Diff a1.txt a2.txt | grep 2011.
The name, “grep”, derives from the command used to perform a similar operation, using the Unix/Linux text editor ed:g/re/p. When you search...Read More

3 Answers

1006 views
John Smith
Answered: Jul 19, 2024
Ms-dos

1 Answer

873 views
L.Steven
Answered: Jan 07, 2018
This is a specific design principle in computer science. It implements that the mechanisms should be separate from the policies, so as to not dictate them. Most commonly, this is incorporated in...Read More

3 Answers

854 views
Gursharan_tatla
Answered: Jul 19, 2024
Selects a process from ready queue and assigns it to the CPU. As the name itself suggests "short-term scheduler" it helps to prevent a logjam and assists CPU in getting the freshly prepar...Read More

1 Answer

807 views
Ken Wilson, Marketing Analyst
Answered: Dec 04, 2018
Windows Explorer is not an operating system. Explorer is the technical name for the file folder icon that you click to bring up a list of all the documents on your computer, and every operating...Read More

2 Answers

802 views
John Smith
Answered: Jul 19, 2024
To make the most efficient use of the computer hardware

1 Answer

782 views
John Smith
Answered: Jul 19, 2024
The transport layer (layer 4) defines several functions, including the choice of protocols. The most important layer 4 functions are error recovery and flow control. The transport layer may...Read More

2 Answers

777 views
G.Kenneth
Answered: Jan 24, 2018
Shell scripts are computer programs. It is run by Unix Shell. Shell scripts are capable of making shortcuts. They can also do batch jobs and generalization. At the beginning of the development of...Read More

3 Answers

673 views
Wyatt Williams
Answered: Jul 19, 2024
Two level implementation

1 Answer

627 views

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