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(#M40154433) AMCAT QUESTION Operating system Keep an EYE

Suppose a sending process wants to send some data to the receiving process using OSI model. Each layer accepts a data and adds a header to the front of the data and passes to the next layer Which of the following options is the correct sequence of layers through which the data flows?

Options are:

1) Application—>Session—>.Transport—>Presentation—>Network—>Data Link--->Physical
2) Application—>.Presentation—>Session—>Transport—>Network—>.Data Link—>Physical
3) Presentation—>Application.Session-.Transport—>Network--Data Link—>Physical
4) Application—>Presentation—>Session—>Transport—>Data Link—>Network—>Physical

Asked In AMCAT dhritiman (10 years ago)

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(#M40154248) AMCAT QUESTION Computer science Keep an EYE

Which of the following System Calls is used by a process to create a new process?
1) exec()
2)pipe()
3)fork()
4)process()

Asked In AMCAT dhritiman (10 years ago)

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(#M40154547) AMCAT QUESTION Computer Science and Computer Programming Keep an EYE

Which of the following statements is incorrect?
1) Best fit and first fit have the problem of external fragmentation
2) Compaction is a solution for external fragmentation
3)If a partition is being used by a process requiring some memory smaller than the partition size, then it is called an internal fragmentation
4) None of these

Asked In AMCAT dhritiman (10 years ago)

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(#M40154458) AMCAT QUESTION Computer science Keep an EYE

Calculate the number of characters per second (8 bits + 1 parity bit) that can be transmitted over a 3600 bps line, if synchronous transfer is being used (1 start and 1 stop bit).

Options are:

1)328
2)360
3)400
4)458

Asked In AMCAT dhritiman (10 years ago)

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(#M40154214) AMCAT QUESTION computer science Keep an EYE

Which of the following statements is true about multiprocessing operating systems-
1)Operating systems that allow different parts of a software program to run concurrently
2)Operating system capable of supporting and utilizing more than one computer process
3)Operating system capable of supporting and utilizing more than one computer processor
4)Operating system allows for multiple users to use the same computer at the same time

Asked In AMCAT dhritiman (10 years ago)

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(#M40154511) AMCAT QUESTION Computer Science and Computer Programming Keep an EYE

Consider the serial transmission of a terminal whose transfer rate is 10 characters per second Each transmitted character consists of 1 start bit. 9 information bits and 2 stop bits Calculate the baud rate for this configuration
1)90
2)100
3) 110
4)120

Asked In AMCAT dhritiman (10 years ago)

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(#M40154565) AMCAT QUESTION Computer Science and Computer Programming Keep an EYE

Please go my drive link to see the sechule table as the table is required to answer the question - https://drive.google.com/file/d/0B-qhy8PbmOfhSFBuVXo4dGItY1E/view?usp=sharing
Which of the following is true about the given schedule in the figure( please see ethe image in the link)
1)F1 is recoverable and F2 is not recoverable;
2)Both F1 and F2 are recoverable
3) Both F1 and F2 are unrecoverable
4)F1 is unrecoverable and F2 is recoverable

Asked In AMCAT dhritiman (10 years ago)

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(#M40154569) AMCAT QUESTION Computer Science and Computer Programming Keep an EYE

Which of the following statements is incorrect?
1)Pseudo instructions are machine instructions
2)Dynamic RAM is faster than Static RAM
3)NAND gate is a universal gate
4) Negative numbers are represented by 2s complement

Asked In AMCAT dhritiman (10 years ago)

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(#M40154767) TCS QUESTION Quantative Keep an EYE

What is the remainder of (32^31^301) when it is divided by 9?
a. 3
b. 5
c. 2
d. 1

Asked In TCS dhritiman (9 years ago)

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(#M40154446) AMCAT QUESTION Computer science Keep an EYE

The time required for the four functional units which operate in each of the four cycles are

9 ns, 5 ns, 6 ns. S ns

Assuming that pipelining adds 1 ns of overhead, find the speed up for this pipeline
Options are:

1) 2.5
2)3.4
3)4.16
4) 6.25

Asked In AMCAT dhritiman (10 years ago)

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