CS604-Midterm
1 / 50
I/O instructions are Privileged Instructions.
2 / 50
The process of switching from one process to another is called latency.
3 / 50
Bounded Buffer is a buffer of ____________ size
4 / 50
Command-line interpreter is also called __________ in some operating systems.
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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.
6 / 50
The Shortest-Job-First Scheduling algorithm can be
7 / 50
__________ directory includes essential system boot files including the kernel image.
8 / 50
POSIX is a standard developed by ANSI
9 / 50
The critical section problem can be solved by the following except
10 / 50
A ---------------- (or an exception) is a software-generated interrupt caused either by an error (division by zero or invalid memory access) or by a user request for an operating system service.
11 / 50
In Unix/ Linux, by default the standard input file is attached to the ___________
12 / 50
Starvation is infinite blocking caused due to unavailability of resources.
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In Layered Approach of OS, the Layer highest Layer is User Interface layer.
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Kernel is responsible for scheduling the user level threads.
15 / 50
Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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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.
17 / 50
__________ scheduler selects the process from the job pool and put them in main memory.
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In Layered approach of OS, Lowest Layer is known as ________.
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The Home Directory for superuser in Linux and Unix is
20 / 50
If a system is not in a safe state, there can be No deadlocks.
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_________________ scheduling allows a process to move between queues.
22 / 50
The major advantage of multi-programming system is
23 / 50
The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
24 / 50
Which of the following is correct definition for wait operation?
25 / 50
All threads within a process share the ________ address space.
26 / 50
27 / 50
Which of the Following is not an Operating System.
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First-Come, First-Served (FCFS) is a --------------scheduling algorithm.
29 / 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 ________.
30 / 50
A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
31 / 50
In ---------addressing; the recipient is not required to name the sender.
32 / 50
Hardware provide basic computing resource.
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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
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___________ is a piece of code in a cooperating process in which the process may updates shared data (variable, file, database, etc.).
35 / 50
The Top-down view is that it is a program that acts as an intermediary between a user of a computer and the computer hardware, and makes the computer system convenient to use.
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____ command display the status of a process.
37 / 50
The correct command for compiling C program named program.c in Linux environment is
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Swapper is also termed as Short term scheduler.
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A process consists of __________
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________ determines What will be done.
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User Goal of OS is that It easy to use, reliable, safe and fast.
42 / 50
A pathname is the list of directories separated by _________.
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The following requirement for solving critical section problem is known as ______. “There exists a bound on the number of times that other processes are allowed to enter their critical sections after a process has made a request to enter its critical section and before that request is granted.”
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Batch programs are usually _________ programs.
45 / 50
In indirect inter process communication, a sender_____mention the name of the recipient.
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-------- command gives a snapshot of the current processes.
47 / 50
A semaphore that cause Busy-Waiting is termed as ___________.
48 / 50
________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
49 / 50
copy file1 file2 is an example of ______ OS view.
50 / 50
In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.
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