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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.
Why some languages are not decidable or even Turing - recognizable? The reason that there are uncountable many languages yet only countably many Turing machines.
Fixed Arithmetic pipelines We take the illustration of multiplication of fixed numbers. Two fixed point numerals are added by ALU (Arithmetic and logic unit) using shift and ad
Illustrate about 8259 8259A adds 8 vectored priority encoded interrupts to the microprocessor. We can expand it to 64 interrupt requests by using one master 8259A and 8 slave
Logical shift A logical shift operation transfers 0 through serial input. We apply symbols shl and shr for logical shift left and shift right microoperations, examples:. R1
Explain the Programmable ROM (PROM) - Computer Memory? This is a kind of ROM that can be programmed using special equipment it can be written to, but only once and this is usef
Shift Microoperations Shift microoperation can be used for serial transfer of the data. They are used generally with arithmetic, logic and other data-processing operations. The
Third Generation (1963-1972) The third generation introduced huge gains in computational power. Innovations in this time include use of integrated circuits or ICs (semiconducto
The concept of Mouse was designed by Douglas C. Engelbart of Stanford Research institute and first Mouse was designed by Xerox corporation. Mouse itself is a device that gives you
Define the Products of Dynamic mode Dynamic model: A model of dynamic behaviour of user object. It defines important states of user object, the way that actions depend on
A useful exercise in understanding assembly language and its relation to machine language is to take a short assembly language program and translate it to machine language by hand.
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