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Question 1 Explain different functions of an operating system. Explain the evolution of operating systems
Question 2 Explain process creation and process termination
Question 3 When Deadlock occurs? What are the Necessary Conditions for Deadlock?
Question 4 What are the different file access methods? Explain
Question 5 Write a note on computer virus. What is encryption? What are the different ways in which a message can be encrypted?
Question 6 Describe the basic types of multiprocessor operating systems. What are the advantages of multiprocessors?
On-line and Realtime Systems An on-line system means that input and output devices are directly connected to the CPU irrespective of geographical location. Thus the user can di
disvange and advantege of providing intternet sservice to customer
Suppose there are exactly five packet switches (Figure 4) between a sending host and a receiving host connected by a virtual circuit line (shown as dotted line in figure 4). The tr
1. The standard way for debuggers to plant breakpoints in a program in RAM (whatever the processor instruction set) is to save the breakpointed instruction and replace it by a jump
difference between recursion and iteration
memory
Why is it called out of band protocol? A1) FTP uses port 20 and port 21; port 20 is used for data connection, whereas port 21 is used for control connection. FTP is known as out-of
what is a dry running of flow chart?
They are particular register instructions. They are used to load bytes or sequences of bytes onto a register. LODS (LODSB) (LODSW) LAHF LDS LEA LES LODS (LODSB) (LODSW) INSTRUCTION
These instructions permit the use of the stack to store or recover data. POP POPF PUSH PUSHF POP INSTRUCTION Purpose: It improves a portion of information from the stack POPF INST
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