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How do you create special files like named pipes and device files?
The system call method forms special files in the following sequence.
For example:
If the device is a disk, main device number refers to the disk controller and minor device number is the disk.
How many select lines will a 16 to 1 multiplexer will have ? Ans. For 16 to 1 MUX four select lines will be needed to select 16 (2 4 ) inputs.
SQL Injection includes entering SQL code into web forms, eg. login fields, or into the browser address field, to access and manipulate the database across the site, application or
In applications where the required memory capacity cannot be satisfied by a single available memory IC chip, what should the designer do to meet this requirement? Ans: If th
Explain in brief about Compact disks (CD) These are an optical storage media that have basically taken over from floppy disk. Software is now generally supplied on a CD (in for
What are the different tones used in strowger telephony? Explain with the help of waveforms and the timings. Dial Tone: it is used to indicate that the exchange is ready to r
Q. How are control signals achieve the particular operation? The control signals are applied directly as binary inputs to the logic gates of the logic circuits. All these input
1. How can you divide the screen into quadrants? Is the process called as ‘viewing transformations’?
What is schedulers? A process migrates between the various scheduling queues throughout its life time. The OS must select processes from these queues in some fashion. This sel
a) Input names of students from the user, terminated by "ZZZ", 0, 0, 0 and create a data file grades with records of the following form: Student (string), test1 (integer), test2 (i
Write a BASH/C shell script which takes name of one or more files as a command line argument, and prints the following information for each file: owner, number of words in the file
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