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Profile name: Imran Zafar
Full name: Imran Zafar
Author: Imran Zafar
Posted: 5 Live Articles
Level: BasicOperating system is the most important system software. It is a collection of system software and is stored on the storage device such as hard disk, CD-ROM, floppy disk (or in ROM). When a computer is switched on, the operating system is transferred from the storage device into main memory. Some handheld devices have the entire operating system in the ROM chips. This type of operating system is difficult to update. ...more
Author: Imran ZafarPosted in: Computers and Technology
Comments: 0The real-time operating system is designed to support executions of programs within strict time limits. The real-time system requires the correct results within the specified time period. The correctness of the program's result is totally dependent on the completion of the job within the specified period. Many real-time systems are embedded in specialized devices, such as microwave ovens, washing machines, digital cameras, cellular telephones. ...more
Author: Imran ZafarPosted in: Computers and TechnologyComments: 0Single user operating' system allows a single user to access the computer at a time. This type of operating system is mostly used on computers having single processor such as PCs. In single user operating system, the CPU remains idle during an I/O operation. So the CPU utilization is reduced. Single user operating system is further divided into two classes. ...more
Author: Imran ZafarPosted in: Computers and TechnologyComments: 0Trap and Interrupt are signals generated by software and hardware respectively. They break down the normal execution of the program. A brief description of trap and interrupt is given below. ...more
Author: Imran ZafarPosted in: Computers and TechnologyComments: 0Registers are the most important components of CPU. Each register performs a specific function. A brief description of most important CPU's registers and their functions are given below: ...more
Author: Imran ZafarPosted in: Computers and TechnologyComments: 0
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