CS604 Quiz#1 Solution and discussion

[moaaz]

___________ scheduler takes the process from the ready queue and assign the CPU with the help of Dispatcher.
Long term
Short term
Medium
Swapper

While using the read/write system call which data type is use to return the size of file to buffer from file descriptor fd? CS604
Pipefd
SIZE_MAX
FIFO
Ssize_t

_____ system call is used to write to a file or FIFO or any other IPC channel. CS604
read
write
open
fork

In multi-threaded process thread () take two argument, they are used to take______________ and ___________. CS604

Program counter value, address space limit
New thread ID, process name
Register count, program counter
New thread function name, new thread ID

The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner. CS604

Operating system (Page 6)
Application software
All Software
All of the given

When sender never block because it has an infinite length storage area, then it means it is holding a queue of _____________ capacity. CS604

Zero
Unbounded
Defined
Bounded

How many modes are supported in operating system? CS604

1
2
3
4

In process management, some of the jobs can be suspended for some time in order to give other jobs a chance to be in execution. Which command can be used to place back a suspended program? CS604
fg
top
ps
bg

A Process ‘A’ that has finished working but its parent process has also finished its execution. In this state the process ‘A’ will be called as _____ process. CS604

Child
Thread
Zombie (Page No. 39)
Fork
In Unix/Linux ------------- are used for client server communication to pass data between a server process and client processes. CS604
FIFO (page 60)
LIFO
Read()
Write()