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Operating Systems

Operating systems, both proprietary and open-source, include those produced by Microsoft, Linux, and Apple Mac

4,423 Questions

How do you know if operating system is genuine?

"Genuine" is a term Microsoft uses to refer to licensed copies of Windows. Technically speaking, anything that is capable of interacting and managing hardware resources and provide a platform for programs to run on is a "genuine", or "real" operating system. Because the license checks on Windows can be bypassed, it can be difficult to determine if your installed copy is licensed and activated legally. If you are using a Home version of XP or Vista, make sure the latest version of WGA (Windows Genuine Advanatge) is installed.

When installing any type of assess fitting went to a sealed system?

When installing any type of access fitting to a sealed system there are several steps that should be taken to ensure that the seal remains intact. These steps include:

  • Ensuring that all components of the seal are in place and secure.
  • Checking that all surfaces are clean and free from debris.
  • Using the correct type of sealant for the material of the system.
  • Applying the sealant in a smooth even layer.
  • Making sure that the sealant is completely dry before proceeding.
  • Checking the seal for any leaks.

Following these steps will help ensure that the access fitting is properly sealed helping to preserve the integrity of the system.

What is User level thread?

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Meaning of time out in operating room?

A "time out" in the operating room is a critical safety protocol performed before a surgical procedure begins. It involves a brief pause where the surgical team verifies the patient's identity, the surgical site, and the procedure to be performed, ensuring that all necessary information is correct. This process aims to prevent errors and enhance patient safety by fostering communication and collaboration among the surgical team. It typically includes checking the surgical consent and confirming the presence of all required equipment and personnel.

Best processor for email and video streaming internet?

you do not really need a "best processor for that task" for email a Pentium 3 will be fine for video streaming it become a little more interesting since if you will host the video in a streaming server, NOTE streaming video server IS NOT THE SAME as hosting video server, you will only need a fast internet connection to upload your videos to your streaming server and this is just like copying from hard drive to hard drive and highly depends of your internet speed to upload and NOT so much from your PC processor so i will go for any Pentium 4 for both tasks of emailing and uploading.

If you will be the one who will be reading email and watching videos from websites then you also will be fine with a Pentium 4 at 3 GHz.

How do operating systems handle all the different peripherals that are on the market?

Operating systems usually communicate with peripherals using "drivers", which are usually written by the designers\manufacturers of the peripheral.

Drivers are essentially programs or processes that the operating system loads which contain the necessary routines and information to make use of the peripheral.

What do you mean by non-preemptive shortest job first scheduling explain with an example?

Non pre-emptive means once CPU starts executing one process, it will not be taken out of the CPU until it is terminated or it has to wait for some event. In preemptive SJF scheduling, current running process is moved to the ready queue when a new process with a shorter CPU burst joins the ready queue.

What part of the operating system interfaces with the hardware?

the kernel is the part of the OS that interfaces with the hardware

What is multiple interrupts?

Multiple interrupts refers to errors that may occur when a system is operational. The interrupts may be caused by a single error repeatedly or by different errors.

Which command is used for searching a file for one or more designed character?

put a star sign for search like a* or a*.txt or a*.doc or a*.pdf etc

*.doc etc or a*.* will search all file names starting with a

What is process focused system?

A productive system for custom products must be flexible . it must have the ability to produce according to customer or client specifications.

Define and explain COM?

component Object Model or COM is a Microsoft platform for software componentry. It is used to enable cross-application communication and dynamic object creation in any programming language that supports the technology. COM is often used in the software development world as an umbrella term that encompasses the OLE ActiveX COM+ and DCOM technologies. COM has been around since 1993 however Microsoft only really started emphasizing the name around 1997.

What is the best type of computer to buy for nursing school that is not a Mac I am mainly using silverlight microsoft office internet adobe and ebooks?

If you're looking for a desktop, something like a Dell Inspiron "Small Desktop" would be good, although I would recommend NOT getting one that contains a Celeron CPU, they are very underpowered.

For a laptop, a lot of HP and Dell laptops are good choices, used or new, and are more than good enough for your purposes.

What are the basic operation of operating system?

1)Job management

2)Communication between the user and hardware through user interface

3)Data management

4)Resource Management

What is spooling and buffering?

I believe buffering is a technique used for sound and other files that will slowly upload bits so that applications have continuity in processing commands. Buffering is a method of overlapping the computation of a job with its execution. It temporarily stores input or output data in

an attempt to better match the speeds of two devices such as a fast CPU and a slow disk drive. If, for example, the CPU

writes information to the buffer, it can continue in its computation while the disk drive stores the information.

With spooling, the disk is used as a very large buffer. Usually complete jobs are queued on disk to be completed later.

A typical example is the spooler for a printer. When a print job is issued, the spooler takes care of it, sending it to the printer

if it is not busy, or storing it on disk otherwise.

Difference:----

Buffering overlaps input, output and processing of a single job whereas Spooling allows CPU to overlap

the input of one job with the computation and output of other jobs. Therefore this approach is better than buffering.

Even in a simple system, the spooler may be reading the input of one job while printing the output of a different job.