Explain the concept of the Distributed systems?

Correct Answer: Virtual memory is hardware technique where the system appears to have more memory that it actually does This is done by time-sharing, the physical memory and storage parts of the memory one disk when they are not actively being used

Correct Answer: DDks are device driver kits, which are equivalent to SDKs for writing device drivers Windows NT includes DDks

Correct Answer: - Network redirector/ Server - Cache manager - File systems - Network driver - Device driver

Correct Answer: It is the transfer of sufficient amount of the state of process from one machine to the target machine

Correct Answer: Windows NT uses protection mechanism called rings provides by the process to implement separation between the user mode and kernel mode

Correct Answer: SCSI - Small computer systems interface is a type of interface used for computer components such as hard drives, optical drives, scanners and tape drives It is a competing technology to standard IDE (Integrated Drive Electronics)

Correct Answer: A binary semaphore is one, which takes only 0 and 1 as values They are used to implement mutual exclusion and synchronize concurrent processes

Correct Answer: When a process enters the system it is placed in the job queue

Correct Answer: The processes that are residing in the main memory and are ready and waiting to execute are kept on a list called the ready queue

Correct Answer: Program execution I/O operations File system manipulation Communication Error detection Resource allocation Accounting Protection