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Q. Explain about Integration Levels?
Initially only few gates were integrated consistently on a chip. This initial integration was termed as small-scale integration (SSI). With the advances in microelectronics technologies SSI gave way to Medium Scale Integration where hundreds of gates were constructed on a chip. Later phase was Large Scale Integration (1,000 gates) and extremely large integration (VLSI 1000,000 gates on a single chip). Currently we are in the era of Ultra Large Scale Integration (ULSI) where approximately 100,000,000 or even more components can be fabricated on a single chip.
Q. Illustrate Memory Read operation? Memory unit receives the address from a register known as the memory address register designated by MAR. Data is transferred to another re
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Global variables are accessible only to the batch program while external variables can be referenced from any batch program residing in the similar system library.
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