Basic CS [3i Infotech Placement]: Sample Questions 145 - 146 of 243

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Question 145

Basic CS
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Describe in Detail

Essay▾

Explain difference between TCP & UDP

Explanation

Difference between TCP & UDP
Difference between TCP & UDP
TCPUDP
Transmission Control ProtocolUser Datagram Protocol
Connection oriented protocolConnectionless protocol
Used in applications in which fast transmission of data not requiredPreferred in applications requiring priority of sending data on time and on faster rates
Slower speed of transferFaster speed
Rearranges data packets in the order specifiedNo inherent order as all packets are independent of each other.
Header size is 20 bytesHeader size is 8 bytes
ReliableUnreliable
Example: HTTP, FTP, SMTP etc.Example: DNS, DHCP, TFTP, SNMP, RIP, VOIP etc.

Question 146

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Write in Short

Short Answer▾

How many jobs can be run concurrently on MVT?

Explanation

  • 15 jobs can run concurrently on Multiprogramming with a Variable number of Tasks (MVT) .
  • Job can move from one partition to another because of dynamic address binding
  • MVT is the memory management technique in which each job gets amount of memory it needs- even at cost of swapping other processes.
  • The partitioning of memory is dynamic and changes as jobs enter and leave the system.
  • MVT makes more “efficient” use of resources.
  • MVT however suffers from the problem of internal fragmentation

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