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Q. What is a virtual address?
Von Neumann had suggested that execution of a program is possible only if program and data are residing in memory. In such a condition program length along with data and other space required for execution can't exceed total memory. Though it was found that at time of execution the complete part of instruction and data is not required as most of the time just few areas of program are being referenced. Keeping this in mind a new concept was putforward where only a required part is kept in memory whereas the rest of program and data reside in secondary storage. Program or data part that are stored on secondary storage are brought to memory whenever needed and part of memory that is not required is returned to the secondary storage. So a program size bigger than actual physical memory can be executed on that machine. This is known as virtual memory.
Q. Logic diagrams for same Boolean expression? The expression F can be simplified using Boolean algebra. The logic diagram of simplified expression is drawn in fig (b)
different types of Operating System
An EFI boot manager is also used to select and load the operating system, removing the require for a dedicated boot loader mechanism
Parallel Computers In India, the design and development of parallel computers in progress in the early 80?s. The Indian Government recognized the Centre for Development of Adva
What is the system call available to transmit a signal? System call Kill is used to send a signal to a method or a group of processes. Int kill (pad tepid, Int sig); This
What is an abstract class? Please, expand by examples of using both. Explain why? Abstract classes are closely related to interfaces. They are classes that cannot be instanti
Q. Explain Register Addressing Mode? Operand can be a 16-bit register: Addressing Mode Description Example AX, BX, CX, DX, SI,
The term 'page traffic' describes? Ans. Page Traffic describes the movement of pages in and out of memory.
Define data type and abstract data type comment upon the significant of both
Dear sir, I want to read Excel file and display it in grid view(the headings in excel file should be grid view column heading).This should be coded in C# Windows forms Application
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