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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.
Which scheduler selects processes from secondary storage device? Ans. Medium term scheduler selects processes from secondary storage device.
write an algorithm on railway reservation ticket window
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Q. How are comparisons done in 8086 assembly language? There is a compare instruction CMP. Though this instruction just sets the flags on comparing two operands (both 16 bits
List all peripheral devices of computer
Applications of Microprogramming: Microprogramming application:: emulation o Use of a micro program on 1 machine to execute programs initially written to run on ano
Analysis: Basically, it is the process of determining what requirement to be done before how it should be done. In order to accomplish this, the developer shows the existing sy
A series of keystrokes and mouse clicks that can be abbreviated into a one keystroke or mouse click.
Hardware Implementation for signed-magnitude data When multiplication is implemented in digital computer, we change process lightly. Here, in place of providing registe
A PCM system uses 8 bits per sample and the analog signal is limited to 4.3 kHz. The PCM data is transmitted using (a) BFSK and (b) ASK. Determine the bandwidth required for transm
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