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Shadow RAM is a copy of Basic Input/Output Operating System (BIOS) routines from read-only memory (ROM) into a particular area of random access memory (RAM) so that they can be accessed more rapidly. Access in shadow RAM is typically in the 60-100 nanosecond range while ROM access is in the 125-250 ns range. In some operating systems like DOS, certain BIOS routines are not only used during the boot or start-up of the system, but also during normal operation, particularly to drive the video display terminal. In Windows and OS/2, thus, these routines are not used and the use of shadow RAM is not essential. In some systems, the user can turn the use of shadow RAM off or on.
Q. Explain about Octal Numbers system? An octal system has 8 digits signified as 0,1,2,3,4,5,6,7. For finding equal decimal number of an octal number one has to find quantity o
Q. How are the instructions executed and interpreted? All computers have a Unit which performs arithmetic and logical functions. This Unit is called as Arithmetic and Logic Uni
How does the interaction between the Dynpro and the ABAP/4 Modules takes place? -A transaction is a collection os screens and ABAP/4 routines , controlled and implemented by a
How can it be achieved in designing e-cash based system? E-cash is essentially an online solution. The buyer must validate the coins by the issuer in order to get the purchase
What is the difference between Synchronous and Asynchronous updates? A program asks the system to perform a particular task, and then either waits or doesn't wait for the task
Desktop based IT application is present but the mobile is future. All the applications that were made to work only on counter top are being ported to mobile. In the coming 10 years
An established communication session among a server and a workstation.
Q. Explain the Passive Matrix in lcd technology? In a passive matrix arrangement LCD panel has a grid of vertical and horizontal conductors and every pixel is positioned at an
Discuss in detail the subscriber loop systems. Subscriber Loop System: Every subscriber in a telephone network is linked usually to the nearest switching office by means of w
In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate
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