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Explain Memory Mapped I/O Scheme.
Memory Mapped I/O Scheme: In such scheme there is only one address space. These address space is defined as all possible addresses which microprocessor can produce. Some addresses are allocated to memories and several addresses to I/O devices. This I/O device is also functions as a memory location and one address is assigned to this. In this scheme all the data transfer instructions of the microprocessor can be utilized for both memory and also I/O device. This scheme is appropriate for a small system.
Discuss DMA definition. Direct memory access (DMA) is a process wherein an external device takes over the control of system bus by the CPU. Direct memory access is for high-sp
Q. Show Basic Construction of MOSFET? The basic construction of the n-channel depletion-type MOSFET is provided in Figure. A slab of p-type material is formed from a silicon
Give a short description of soft ferrites . Soft ferrites and their applications: all non- metallic compounds are consisting of ferric oxide and one or two bivalent metal oxid
Discuss DOS function call with one example. DOS function call: So as to use DOS function calls, always place the function number in register AH and load all other pertinent
Advantages of SDR 1. Easy to upgrade 2. Great flexibility. It can be dynamically updated with new software without any changes in hardware 3. Due to reduced number of har
Compare with Register The contents of the register are compared with the contents of the accumulator here register may be any one of the A, B, C, D E, H, or L reg
Q. Consider two 1-C charges separated by 1min free space. Show that the force exerted on each is about one million tons.
principle of resistive feedback circuit change when the square wave and triangular pulse frequencies, the amplitude of the triangle wave
Q. (a) Consider a diode circuit with RC load as shown in Figure. With the switch closed at t = 0 and with the initial condition at t = 0 that vC = 0, obtain the functional forms of
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