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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 part of the operating sytem is stored on ROM?

Most computers nowadays do not store any portion of the operating system in ROM. Among those that did and still do, only the kernel and basic system libraries are placed in ROM.

Why would you install an operating system?

The operating system is the software that interacts with the actual computer hardware, and provides the method for you use the keyboard, mouse, and tells the computer what to do... and how to do it.

What is the main difficulty that a programmer must overcome in writing an operating system for real-time environment?

First, they have to spend a couple of years with learning the theory and practice of operating systems, and another couple of years with mastering real-time systems.

Distinguish between multiprogramming operating system and time sharing operating system?

time sharing operating system is user interactive, but multiprogramming operating system need not be user interactive

What is resource allocation in operating system?

Resource allocation - is assigning pre-set amounts of RAM for certain functions. For example, when a computer first boots-up - it allocates a portion of the machine's RAM for Windows to use - even though the actual program doesn't occupy all the computer's memory. It simply holds some 'in reserve'.

Explain all types of operating system with diagram?

There are basically four types of operating systems. They include Batch Operating System, Multiprogramming Operating System, Network Operating System and Distributed Operating System.

What are three common tasks performed by system software?

System software does many important tasks. It checks virus, does disk defragmentation, un/compresses files. Even your OS is an system software.

What's the difference between a Mac and an iMac?

The term 'Mac' could refer to other computers that apple designs and makes such as iMacs, Macbooks (laptops), and Mac Pro (tower)

The term 'iMac' is the name of the all in one desktop computer by apple.
http://www.apple.com/imac/

What is an advantage of selecting an operating system that has a commercial license over one with a GPL license?

The commercial license-based operating system provides structured support unlike one with a GPL license.

Can assemblers be used in any operating system?

An assembler must be specifically written to accommodate both the operating system, as well as the underlying CPU architecture.

What are the features of a hire purchase system?

buyer and seller make written and legal agreement between them

Why are computer passwords important?

Computer password is important to everybody including you because it won't be easy for hackers to hack your computer or any software you own, which is why passwords are important. They'd have to guess each time just to get it right (which would take like an eternity). It would only take an eternity if you make your password very complex, not too complex so you wouldn't remember.

What is extended machine?

An extended machine is usually in reference to a computer. It commonly is in reference to the OS or operating system of the computer.

How to change the language of a ibook g4?

In the Language section of System Preferences drag the desired language to the top of the list. If software has support for that language it will be used by the application in it's menus etc.

Usage of semaphor in operating system?

When several process are running at a time in the operating system there is always a chance of hanging, semaphor helps out OS system in solving out such problem.

Semaphore is just like set of rules that help out multi-process running on a OS to use a resource.The process management under the OS is actually made on the basis of semaphor only.

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