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All components of computer communicate with processor by the system bus. Which means I/O devices required to be attached to system bus. But I/O devices aren't connected directly to computer's system bus. In its place they are attached to an intermediate electronic device interface known as a device controller that in turn is attached to system bus. Therefore a device controller is an interface between a system bus and an I/O device. On one side it knows how to communicate with I/O device associated to it and on the other it knows how to communicate with computer's CPU or processor and memory via the system bus.
Problem : (a) Show whether or not a standard format for representing data, such as XML, is needed. (b) Using an appropriate example, describe how data is organized in a dat
Define buffering. A buffer is a memory area that keeps data while they are transferred among two devices or among a device and an application. Buffering is done for three reas
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
Vector Processing A vector is an ordered set of similar type of scalar data items. The scalar tem may be a logical value, an integer or a floating point number. Vector proce
Define a register. Ans: Register: A register contain a group of flip-flops and gates which effect their transition. The flip flops hold the binary information and the g
State about the Three-dimensional digitizers Three-dimensional digitizers use sonic or electromagnetic transmissions to record positions. One electromagnet transmission method
Q. F'(a,b,c,d) = (a + b + d')(a + c' + d')(a + b' + c') d'(a,b,c,d) = (a + b' + c + d')(a' + c' + d')(a' + b + d) Find the simplified function F and implement it using NOR Ga
The Throughput graph represents the amount of data in bytes that the Vusers received from the server in a second. When we evaluate this with the transaction response time, we will
Define external layer? The external layer is the plane at which the user sees and interacts with the data, that is, the data format in the user interface. This data format is
What is line option explicit Line explicit function makes the compiler to recognize all the variables which are not particular by the dim statement. This command significantly
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