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Explain briefly, why dynamic RAMs require refreshing?
Ans:
Due to the charge's natural tendency to distribute itself in a lower energy-state configuration that is, the charge stored upon capacitors leak-off with time, dynamic RAMs need periodic charge refreshing to keep data storage.
The current 32 and 64 bit machines can represent integers of around 9 digits and 30 digits respectively, while various scientific and mathematical applications have to represent in
Explain signed binary number system. Ans. Signed Binary Numbers: In decimal number system positive numbers are signified by (+) sign and negative numbers are represented b
The 68HC11 series is based on the Motorola 6800/1 programming instruction set and hence is a fairly simple 8 bit microprocessor. The internal structure of the 6800/1 is shown below
Subtract -27 from 68 using 2's complements. Ans. By using 2's complement 68-(-27)= 68-(-27) 2's complement representation of 68 = 01000100(64+4) 2's complement representatio
The excess 3 code of decimal number 26 is ? Ans. (26) 10 in BCD is (00100110) BCD Add 011 to all BCD 01011001 for excess - 3
When can a user program execution be interrupted? It won't be desirable to interrupt a program when an instruction is being executed and is in a state such as instruction decod
Explain MDR and MAR. The data and address lines of the external memory bus linked to the internal processor bus by the memory data register, MDR and the memory address register
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Relocatable programs? Ans. Relocatable programs can be loaded almost anywhere inside the memory.
What are the various functional verification methodologies Ans: TLM (Transaction Level Modelling) Linting RTL Simulation (Environment involving : stimulus generators,
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