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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

What are the different types of File Allocating Tables?

File Allocation Table:

FAT12 (12-bit version),

FAT16/FAT16B/FAT16X (16-bit versions),

FAT32/FAT32X (32-bit version with 28 bits used)

How do you create your own operating system from scratch without any knowledge?

You cannot code an operating system without any knowledge of Programming. Developing an OS from scratch requires skills and a good knowledge of programming. It is not an easy task to develop an OS ,but it is not difficult either.

To start with , you can start learning Assembly Language ,as this will help you to learn basics of CPU processing and Memory handling. Once you grasp the Assembly language you start of with first of with simple programs in Assembly language. After you have mastered it you can go out for coding a real running OS

What is meant by arm-stickiness?

If one or a few processes have a high access rate to data on one track of a storage disk, then they may monopolize the device by repeated requests to that track. This generally happens with most common device scheduling algorithms (LIFO, SSTF, C-SCAN, etc). High-density multisurface disks are more likely to be affected by this than low density ones.

What does “DOS” stand for?

DOS stands for:

  • Disk Operating System
  • Democratic Opposition of Serbia
  • (United States) Department of State
  • Density of States
  • Denial of Service

Where are some unique places to find operating systems today?

Apart from the big commercial companies such as Microsoft and Apple- http://www.microsoft.com/ http://www.apple.com/ There is also numerous other free operating systems, such as Linux, BSD and Solaris. Distrowatch covers all the free OSes- http://distrowatch.com/

Distinguish between batch system real time system multi tasking system?

  1. The difference between Batch System, Real Time System and Multitasking System is that they are cool and you are a gimp.

What is full recovery from a Stapedectomy?

Full recovery takes about three weeks but hearing should improve immediately

What did Richard stallman mean when he stated that GNU was a free operating system?

As most people will tell you about software licensing, the definition of "free" in this case is freedom from licensing restrictions, not as in free-of-charge (in which is derived from the original definition ["...not as in free beer..."] to make it more all-ages friendly).

How does the user communicate with the computer system?

if you are using Windows it is the graphical user interface(GUI). In other words, all the little icons, and program windows and such are the things that the OS(Operating System) uses to communicate with you.

What is simple batch system?

To speed up processing, jobs with similar needs were batched together and were run through the computer as a group. Thus, the programmers would leave their programs with the operator. The operator would sort programs into batches with similar requirements and, as the computer, became available, would run each batch. The output from each job would be sent back to the appropriate programmer

Can computers that use the same operating system use the same software and peripheral devices?

If they also use the same CPU architecture, yes.

If not a version of such software and peripheral device drivers will have to be compiled and built for the CPU architecture they use.

One example of this was Apple's migration of their Macintosh computers and Mac OS operating system from the Motorola 68000 CPU architecture to the PowerPC CPU architecture to the current Intel 80x86 family CPU architecture. At each transition both the operating system and all software had to be recompiled and rebuilt. Apple smoothed out these transitions by developing a format for application software files that allowed for storing both the code for the older and newer architectures, making the transition largely transparent to users.

What types of NX clients are available?

NX clients are available for Windows operating system, Linux operating system, Mac OSX and Solaris. NX client products can be found on the No Machine NX website.

What is clipping in graphics?

There are several things that can be associated with clipping: clipping mask which refers that something is clipped inside defined area which can be in Photoshop vector object or pixels on that layer to which you are clipping something. Another way that you can hear is that color is clipped to either black or white with mean that color is pure black or white without any details or when resizing canvas for example and new size of canvas is smaller then previous then clipping can occur with mean that some areas will be clipped or masked and invisible with that new canvas size.

In vector based programs like Adobe Illustrator you can clip or mask objects using vector shape and clipping mask.

What is a power on self test on the embedded development board?

POST or Power On Self Test is what the computer does immediately after a hard boot. The screen will go black and start running through the systems configurations and hardware to ensure that everything is working properly. Once the POST is finished, it will activate Bootstrap loader.

Is user level threads are transparent to kernel level threads?

user level theads are not tranparent to kernel level threads.