Basic CS [3i Infotech Placement]: Sample Questions 22 - 23 of 243

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Question 22

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Describe in Detail

Essay▾

What is SMP?

Explanation

Understanding of Symmetric Multiprocessor System
  • SMP is a multi-processing system where multiple processors share common operating system and memory.
  • Processors also share disk input/output resources.
  • The processors also share memory and the I/O bus or data path.
  • OS manages scheduling on all the processors- combines power of multiple processors to complete a process.
  • Primarily used in resource intensive computing environments.
  • Multiple Processors Are Transparent to the User

    • These processor share main memory and I/O facilities.
    • All processors can perform the same functions.

Advantages of SMP

  • Performance:
    • Allows parallel processing
  • Availability:
    • Failure of a single processor does not stop computing.
  • Incremental growth:
    • Additional processors can be added.

Question 23

Basic CS
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Write in Short

Short Answer▾

What is the difference between ARP and RARP?

Explanation

Difference between ARP and RARP
ARPRARP
Address resolution protocol.Reverse Address Resolution Protocol.
Retrieves the physical address of the receiver.Retrieves the logical address for a computer from the server.
ARP maps 32-bit logical (IP) address to 48-bit physical address.RARP maps 48-bit physical address to 32-bit logical (IP) address.
The sender sends the ARP query packet on the network which is broadcasted to all the other host or the router presents in to the network.The sender broadcast the RARP request to the all the other hosts present in the network.

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