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Why do we need DMA?
DMA is used to transfer the block of data directly among an external device and the main memory without the continuous intervention by the processor.
What is multiprogramming or multitasking? The operating system manages the concurrent implementation of several application programs to make the best possible uses of computer
What is the Network Service Access Policy A high-level, issue-specific policy which defines those services that are allowed or denied from the restricted network. It also co
Which the digital logic family has the lowest propagation delay time ? Ans. ECL is the digital logic family that has the lowest propagation delay time. In ECL lowest propagati
Summary of Tasks Task Summary attempts to show amount of duration every task has spent starting from beginning of task until its completion on any processor as displayed in Fi
What is Open Database Connectivity (ODBC) It happens that in addition to conventional or most popular database management systems, many companies go for proprietary software c
In the past there was a large gap between speed of a memory andprocessor. So a subroutine execution for an instruction for illustration floating point addition may have to follow a
what is system programming? System programming is the activity of implementing and designing SPs. System programs that are the standard component of the s/w of most computer
Q. What do you mean by Daisy chain? This scheme provides a hardware poll. With this scheme, an interrupt acknowledge line is chain by different interrupt devices. All I/O inter
Handlers Classification In 1977, Wolfgang Handler suggested a complex notation for representing the pipelining and parallelism of computers. Handler's categorization addresses
Format functions can be used to format lot of the expressions such as money, time, date, percentages and numbers. These functions are much easier to use in VBA. User defined date,
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