Operating System MCQs
1K+ questions with answers
The characteristic of the eye to retain the image for a short time after it has been presented is known as ___________
When will Local playback be used?
Multimedia files stored on a remote server are delivered to a client across the network using a technique known as ___________
A media file containing audio or video is downloaded and stored on the client’s local file system in ___________
Progressive download is most useful for ___________
The media file is streamed to the client but is only played and not stored by the client in ___________
Real time streaming is most useful for ___________
The ability to move around within a media stream is known as ___________
What are the two types of real time streaming?
Random access is not allowed in ___________
The streaming that takes place as the event is occurring is ___________
For a computer to deliver continuous media it must guarantee the specific rate and timing requirements, also known as ___________
For QOS to be implemented properly ___________
Compression ratio is the ratio of ___________
Lossy and lossless are classifications of ___________
Lossy techniques provide ___________ when compared to lossless techniques.
What is the full form of MPEG?
What is MPEG compression?
What are the levels in QoS?
The level that treats different types of traffics in different ways, giving certain traffic streams higher priority than other streams and with best efforts, but no guarantees are made ___________
The quality of service requirements are guaranteed in ___________
What are the factors that define QoS?
What is the Delay?
What is Admission control?
An admission control scheme assigns a __________ to each type of resource.
A scheduling algorithm can use either ___________ priority or ________ priority.
The priority of a process will ______________ if the scheduler assigns it a static priority.
As disks have relatively low transfer rates and relatively high latency rates, disk schedulers must reduce latency times to ___________
Servicing requests strictly according to deadline using EDF may result in ___________
The hybrid algorithm that combines EDF with SCAN algorithm is known as ___________
If several requests have different deadlines that are relatively close together, then using the SCAN – EDF algorithm ___________
The EDF scheduler uses ________ to order requests according to their deadlines.
In SCAN – EDF, requests with the same deadlines are ordered according to ___________
The three general methods for delivering content from a server to a client across a network are ___________
Unicasting delivers the content to ___________
Broadcasting delivers the content to ___________
Multicasting delivers the content to ___________
RTSP stands for ___________
HTTP is __________
In the SETUP state ___________
In the TEARDOWN state ___________
RTP stands for ___________
The problem with unicast delivery is that the ___________
The difficulty with multicasting from a practical point of view is ___________
To let a client have random access to a media stream with ___________
Which of the following are forms of malicious attack?
What are the common security threats?
From the following, which is not a common file permission?
Which of the following is a good practice?
What is not a good practice for user administration?