CS604-Midterm
1 / 50
Linux uses ___________ directory to store system configuration files.
2 / 50
______scheduler selects the process from the job pool and put them in main memory.
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Users are the People, machines or computers that uses the Hardware resources.
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Hardware provide basic computing resource.
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Starvation is infinite blocking caused due to unavailability of resources.
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__________ commands in Linux is used to copy file
7 / 50
Banker‟s algorithm is used for ________________
8 / 50
Which of the following is NOT a Hardware Resource.
9 / 50
We can install and run multiple OS by using VMWare.
10 / 50
The priorities of processes in the __________ group remain fixed.
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A program in execution is called a _______________.
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Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
13 / 50
DOS is single user operating system.
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A time sharing system is
15 / 50
In ---------addressing, the recipient is not required to name the sender.
16 / 50
The hardware mechanism that enables a device to notify CPU is called an -------------
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Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
18 / 50
Bounded Buffer is a buffer of ____________ size
19 / 50
_____ system call is used to write to a file or FIFO or any other IPC channel.
20 / 50
The interval from the time of submission to the time of completion is the ______
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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 ________.
22 / 50
All threads within a process share the ________ address space.
23 / 50
--------------command to resume the execution of a suspended job in the foreground
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Which part of the computer system helps in managing the file and memory management system?
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A process consists of __________
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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.
27 / 50
Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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A_____ is an abstract key for accessing a file.
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In Unix/ Linux, by default the standard input file is attached to the ___________
30 / 50
Mkfifo() is a _______.
31 / 50
In Linux directory structure, there is ___________ root directory.
32 / 50
The integer value of ________semaphores can range over an unrestricted integer domain.
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The manual pages can be read in Linux using ____ command.
34 / 50
In Layered Approach of OS, the Layer highest Layer is User Interface layer.
35 / 50
___________ is a piece of code in a cooperating process in which the process may updates shared data (variable, file, database, etc.).
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When process opens its first file explicitly it will get descriptor number ______
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The priority of a process can be changed using ___________ command.
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A system call________
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The process id returned to the child process after successful fork system call execution is _____________.
40 / 50
The critical section problem can be solved by the following except
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In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.
42 / 50
_______ is also called Swapper.
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Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
44 / 50
In ________addressing, the recipient is not required to name the sender.
45 / 50
The bottom layer in the layered approach of Operating System is-----------
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_____________ is a preemptive scheduling algorithm.
47 / 50
Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
48 / 50
In indirect inter process communication, a sender_____mention the name of the recipient.
49 / 50
An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
50 / 50
Which of the following is correct definition for wait operation?
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