Operating System MCQs
1K+ questions with answers
The problem of priority inversion can be solved by ____________
Time required to synchronous switch from the context of one thread to the context of another thread is called?
Which one of the following is a real time operating system?
VxWorks is centered around ____________
What is the disadvantage of real addressing mode?
Preemptive, priority based scheduling guarantees ____________
Real time systems must have ____________
What is Event latency?
Interrupt latency refers to the period of time ____________
Real time systems need to __________ the interrupt latency.
The most effective technique to keep dispatch latency low is to ____________
Priority inversion is solved by use of _____________
In a real time system the computer results ____________
In a safety critical system, incorrect operation ____________
Antilock brake systems, flight management systems, pacemakers are examples of ____________
In a ______ real time system, it is guaranteed that critical real time tasks will be completed within their deadlines.
Some of the properties of real time systems include ____________
The amount of memory in a real time system is generally ____________
Memory management units ____________
The technique in which the CPU generates physical addresses directly is known as ____________
Earliest deadline first algorithm assigns priorities according to ____________
A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. The total CPU utilization is ____________
A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35., the priorities of P1 and P2 are?
A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35., can the two processes be scheduled using the EDF algorithm without missing their respective deadlines?
Using EDF algorithm practically, it is impossible to achieve 100 percent utilization due to __________
T shares of time are allocated among all processes out of N shares in __________ scheduling algorithm.
If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. B will have ______ percent of the total processor time.
If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. C will have ______ percent of the total processor time.
If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. If a new process D requested 30 shares, the admission controller would __________
To schedule the processes, they are considered _________
If the period of a process is ‘p’, then what is the rate of the task?
The scheduler admits a process using __________
The ____________ scheduling algorithm schedules periodic tasks using a static priority policy with preemption.
Rate monotonic scheduling assumes that the __________
In rate monotonic scheduling, a process with a shorter period is assigned __________
If a set of processes cannot be scheduled by rate monotonic scheduling algorithm, then __________
A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. The total CPU utilization is?
A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. Can the processes be scheduled without missing the deadlines?
What is multimedia file?
In which type of streaming multimedia file is delivered to the client, but not shared?
Which one of the following is the characteristic of a multimedia system?
The delay that occur during the playback of a stream is called ___________
Which algorithm can be optimized to meet the timing deadlines and rate requirements of continuous media?
Real time streaming protocol is used ___________
CineBlitz multimedia server supports ___________
Multimedia system require hard real time scheduling ___________
Which one of the following resource is not necessarily required on a file server?
The major difference between a multimedia file and a regular file is ___________
Video is represented as a series of images formally known as ___________
The faster the frames are displayed, ___________