Question Detail

A public key encryption system

  • Allows only the correct sender to decode the data
  • Allows only the correct receiver to decode the data
  • Allows anyone to decode the data
  • none of above
Similar Questions :

1. A hardware device which is capable of executing a sequence of instructions, is known as

  • CPU
  • ALU
  • CU
  • Processor

2. Dispatcher function is to

  • put tasks in I/O wait
  • schedule tasks in processor
  • change task priorities
  • All of above

3. In real time OS, which is most suitable scheduling scheme

  • round robin
  • FCFS
  • pre-emptive scheduling
  • random scheduling

4. Which of following is not a condition of Dead Lock ?

  • Mutual Exclusion
  • No Preemption
  • Hold and Wait
  • Data Transfer

5. Reference bit is used for

  • Implementing LRU page replacement algorithm
  • Implementing NRU algorithm
  • To check the page table entry in the cache memory
  • none of above
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