CS604-Midterm
1 / 50
When process opens its first file explicitly it will get descriptor number ______
2 / 50
This condition is known as ______________.
3 / 50
A major problem with priority scheduling algorithms is ______.
4 / 50
A condition where a set of blocked processes each holding a resource and waiting to acquire a resource held by another process in the set is termed as ________.
5 / 50
In ________addressing, the recipient is not required to name the sender.
6 / 50
You can terminate a foreground process by pressing --------------
7 / 50
A pathname is the list of directories separated by _________.
8 / 50
DOS is single user operating system.
9 / 50
You can use the rm file1 command to __________ file1
10 / 50
___________ is used in real time operating systems.
11 / 50
Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
12 / 50
____ is a virtual directory in Linux and Unix.
13 / 50
Which of the Following is not an Operating System.
14 / 50
The bottom layer in the layered approach of Operating System is-----------
15 / 50
Physical memory is broken down into fixed-sized blocks, called----------- and Logical memory is divided into blocks of the same size, called -----------
16 / 50
Managing Secondary Storage Involves all of the Following except
17 / 50
Using _________system, we can create a new process in Linux.
18 / 50
A semaphore that cause Busy-Waiting is termed as ___________.
19 / 50
The following is NOT a classical problem of synchronization
20 / 50
If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.
21 / 50
The critical section problem can be solved by the following except
22 / 50
The returned code to the child process after successful fork system call execution is
23 / 50
The hardware mechanism that enables a device to notify CPU is called an -------------
24 / 50
The ________ requires that once a writer is ready, that writer performs its write as soon as possible , if a writer waiting to access the object, no new readers may start reading.
25 / 50
The process id returned to the child process after successful fork system call execution is _____________.
26 / 50
In Unix/ Linux, by default the standard input file is attached to the ___________
27 / 50
_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
28 / 50
What do we name to an address that is loaded into the memory-address register of the memory?
29 / 50
If the fork system call fails, it returns
30 / 50
The manual pages can be read in Linux using ____ command.
31 / 50
------------has a hierarchical file system structure.
32 / 50
Each page is a power of -------- bytes long in paging scheme.
33 / 50
User Goal of OS is that It easy to use, reliable, safe and fast.
34 / 50
The address generated by the CPU, after any indexing or other addressing-mode arithmetic, is called a --------address, and the address it gets translated to by the MMU is called a ---------address.
35 / 50
Taking the CPU from one process and giving the CPU to another process is termed as
36 / 50
A program in execution is called a _______________.
37 / 50
In Layered approach of OS, Lowest Layer is known as ________.
38 / 50
If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
39 / 50
Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
40 / 50
Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
41 / 50
In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.
42 / 50
The execution of critical sections must NOT be mutually exclusive
43 / 50
In Linux directory structure, there is ___________ root directory.
44 / 50
The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
45 / 50
I MB or 1 megabyte is equivalent to----
46 / 50
When a process opens its first file explicitly it will get descriptor number _________
47 / 50
The nice value helps in assigning ______ to a process.
48 / 50
First-Come, First-Served (FCFS) is a --------------scheduling algorithm.
49 / 50
Mkfifo() is a _______.
50 / 50
User mode can run the Privileged instructions.
Your score is
The average score is 36%
Restart quiz
