CS604-Midterm
1 / 50
Swapper is also termed as Short term scheduler.
2 / 50
If a system is not in a safe state, there can be No deadlocks.
3 / 50
A semaphore that cause Busy-Waiting is termed as ___________.
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An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
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The bottom layer in the layered approach of Operating System is-----------
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The Shortest-Job-First Scheduling algorithm can be
7 / 50
In Layered Approach of OS, the Layer highest Layer is User Interface layer.
8 / 50
Command-line interpreter is also called __________ in some operating systems.
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The process of switching from one process to another is called latency.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
11 / 50
In ---------addressing, the recipient is not required to name the sender.
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The hardware mechanism that enables a device to notify CPU is called an -------------
13 / 50
User mode can run the Privileged instructions.
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A process is said to be in critical section if it executes code that manipulates shared data
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The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner
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First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
17 / 50
__________ integer shows the highest priority of a process in CPU scheduling
18 / 50
The -------------- system call suspends the calling process.
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You can terminate a foreground process by pressing --------------
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A Process that has finished working, as well as its parent process has also finished its execution. In this state the process A will be called as _________ process.
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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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Operating System is the Manager of Hardware Resources.
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You can use the ------------- command to display the status of suspended and background processes
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rm and [r]mkdir commands are used to _____________ directory.
25 / 50
Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
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__________ displays information about the top processes.
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If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
28 / 50
------------ register contains the size of the process
29 / 50
________________ is an integer variable accessible through wait and signal which are atomic operations.
30 / 50
Which register holds the smallest legal physical memory address for a process?
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The execution of critical sections must NOT be mutually exclusive
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The process of holding at least one resource and waiting to acquire additional resources that are currently being held by other processes is known as________.
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-------- command gives a snapshot of the current processes.
34 / 50
The correct command for compiling C program named program.c in Linux environment is
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_____________ determines How to do something.
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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.
37 / 50
The Home Directory for superuser in Linux and Unix is
38 / 50
In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.
39 / 50
Which of the following is NOT a Hardware Resource.
40 / 50
A semaphore that cause Busy-Waiting is termed as .
41 / 50
Taking the CPU from one process and giving the CPU to another process is termed as
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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The process id returned to the child process after successful fork system call execution is _____________.
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_________________ scheduling allows a process to move between queues.
45 / 50
Cache is non-volatile memory.
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The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
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The major advantage of multi-programming system is
48 / 50
_______ is also called Swapper.
49 / 50
In ---------addressing; the recipient is not required to name the sender.
50 / 50
Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
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