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(#M40154239) AMCAT QUESTION Computer science Keep an EYE

Which of the following statements is/are true about Context Switching?
1. It happens between processes but not threads.
2 It happens for both processes and threads
3. During the thread switch,virtual memory space remains the same
4. During the process switch, virtual memory space remains the same.
Which is correct option-
1)only 1
2)both 2 and 4
3)both 1 and 4
4)both 2 and 3

Asked In AMCAT dhritiman (10 years ago)

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(#M40154238) AMCAT QUESTION Computer science Keep an EYE

A thread library provides the programmer an API for creating and managing threads. Which of the following options is not a thread library?
1) POSIX threads
2) Kemel threads
3) Win32 threads
4) Java threads

Asked In AMCAT dhritiman (10 years ago)

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(#M40154236) AMCAT QUESTION Computer science Keep an EYE

Choose the correct option.
Which oi the following statements is/are true about the Seek time in the disk ?
1. Time needed to move the disk amr to the desired cylinder.
2. It is also called positioning time.
3. It is aslo called random access time.

options-
1) Only 1
2) Only 2
3) Both 1 and2
4) Both 1 and 3
5J' All-1. Z and 3

Asked In AMCAT dhritiman (10 years ago)

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(#M40154235) AMCAT QUESTION Computer science Keep an EYE

Which of the following options can be used to implement multithreading on a single processor?
1) Time division multiplexing
2) Frequency division multiplexing
3)Multi-threading is not possible on a single processor
4)Both 1 and 2

Asked In AMCAT dhritiman (10 years ago)

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(#M40154234) AMCAT QUESTION Computer science Keep an EYE

Choose the correct option.-
What is the minimum number of the bits required to store -256 to +256 in the computer?
1)7
2)8
3)9
4)10

Asked In AMCAT dhritiman (10 years ago)

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(#M40154233) AMCAT QUESTION Computer science Keep an EYE

Choosethe correct option-
Which ofthe following statements isfare incorrect about the FirmWare?
1. its characteristics fall somewhere between hardware and software.
2. in general. executing code in firmware is slowerthan executing it in RAM.
3. All forms of ROM are known as firmware.

OPTIONS-
1)Only 1
2)only 2
3)only 3
4)Both1and2
5) All-1. 2and3

Asked In AMCAT dhritiman (10 years ago)

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(#M40154232) AMCAT QUESTION Computer science Keep an EYE

Anil is designing a database of mOtor vehicles It has one base entity Vehicles” which is classified into two sub-entities 2 wheeler and 4 wheeler He further breaks them down into more entities. What is the process being used here?
1)Generalization
2) Specialization
3) Aggregation
4) Segregation

Asked In AMCAT dhritiman (10 years ago)

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(#M40154231) AMCAT QUESTION Computer science Keep an EYE

Choose the correct option.
Which oi the following routing protocols is used for distributing routing information between different organizations such as lSPs to ISPs and their customers?
1} Interior Gateway Routing Protocol (IGRP}
2} Border Gateway Protocol (BGP}
3)lntermediate System-to intermediate system(IS-IS)
4)Open Shortest Path First (OSPF

Asked In AMCAT dhritiman (10 years ago)

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(#M40154230) AMCAT QUESTION Computer science Keep an EYE

Which of the following options is not a type of Shell in linux system?

1)C Shell

2)Kom Shell

3)Bourne Shell

4)Bounce shell

Asked In AMCAT dhritiman (10 years ago)

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(#M40154229) AMCAT QUESTION Computer science Keep an EYE

Akshit works in a bank and has a database containing 3tables namely- Saving_accnt(cid, accnt_no, owner, balance} and, Current_accnt(cid, accnt_no_owner, balance} and Customer(cid, accnt_no}. He has a meeting with his manager and he needs to show details of a customer who has a savings account as well as a current
account in the bank.

Which of the following queries should he use to solve the purpose,if a is the alias for the Saving_accnt table and b is for Current_accnt table?

1) SELECT a.cid, a.accnt_no, a.owner, a.balance FROM Saving_accnt a INNER JOIN Current_accnt b ON a.cid=b.cid;
2) SELECT a.cid, a.accnt_no, a.owner, a.balance FROM Saving_accnt a OUTER JOIN Current_accnt b ON a.cid=b.cid;
3) SELECT a.cid,a.accnt_no, a.owner,a.balance FROM Saving_accnt a CROSS JOIN Current_accnt b ON a.cid=b.cid;
4) SELECT a.cid, a.accnt no,a.owner,a.balance FROM Saving_accnt a LEFT INNER JOIN Current_accnt b ON a.cid=b.cid;

Asked In AMCAT dhritiman (10 years ago)

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