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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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(#M40154445) AMCAT QUESTION Computer science Keep an EYE

A computel’s memory is composed of 4K words of 16 bits each and one byte equals 8 bits How many bytes does this memory contain

Options are:

1)2K
2) 4K
3)8K
4) 16K

Asked In AMCAT dhritiman (10 years ago)

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(#M40154444) AMCAT QUESTION Computer science Keep an EYE

Which of the following statements is true?

1)A software program stored in the ROM that can not be changed is called linker
2)Non-maskable interrupt can be temporarily ignored by the counter
3) Main frame computer has single bus structure
4)If the program has many operands. property of locality of references may fail

Asked In AMCAT dhritiman (10 years ago)

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(#M40154443) AMCAT QUESTION Computer science Keep an EYE

Which of the following is/are true?
1 Banker’s algorithm is used for the avoidance of deadlock
2 Resource-allocation graph is used for a system with multiple instances of each resource type

Options are:
1)Only 1
2)Only 2
3)Both land 2
4)Neither 1 nor 2

Asked In AMCAT dhritiman (10 years ago)

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(#M40154442) AMCAT QUESTION Computer science Keep an EYE

A thread library provides the programmer an API fo creating and managing threads Which of the following options is not a thread library?

Options are:

1)POSIX Pthreads
2) Kernel threads
3) Win32 threads
4)Java threads

Asked In AMCAT dhritiman (10 years ago)

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(#M40154441) AMCAT QUESTION Computer science Keep an EYE

Thread is called a lightweight process because ________
1)threads exist as subsets of a process
2) threads share their address space
3)threads have less weight than process
4) threads are dependent on the process

Asked In AMCAT dhritiman (10 years ago)

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(#M40154439) AMCAT QUESTION Computer science Keep an EYE

Which of the following statements is true about multiprocessing operating systems?
Options are:

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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(#M40154438) AMCAT QUESTION Computer science Keep an EYE

What does isolation in ACID rules for transaction in database means:

1) Either the effect of wtiole transaction is reflected on database or database is rolled back to its original state
2)No transaction can interfere in the end result of another transaction
3) Effects of a successful transaction must persist in a database
4)Every individual transaction must leave database in a consistent state maintaining the integrity of the database

Asked In AMCAT dhritiman (10 years ago)

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(#M40154437) AMCAT QUESTION Computer science Keep an EYE

Ankit has some knowledge about database normalization He has created a table customer”, which has the following characteristics :
1 Table has transitive dependencies
2 There are no partial dependencies in the table
3)There is no column with redundant data in the table
In Which normal form is the table?

Options are:

1)1NF
2)2NF
3)3NF
4)BCNF

Asked In AMCAT dhritiman (10 years ago)

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(#M40154436) AMCAT QUESTION Computer science Keep an EYE

Which of the following statements is incorrect?

1)Bridge is a combination of hardware and software to link two similar networks
2) Gateway is a combination of hardware and software to link two different types of networks
3) Bridges are faster than routers
4) Gateways operate at Network and Transport layer of the OSI model

Asked In AMCAT dhritiman (10 years ago)

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