Microprocessor Identify the programmable DMA controller from the following 8257 8279 8251 8253 8257 8279 8251 8253 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor RST 3 instruction will cause the processor to branch to the location 0024H 0028H 0018H 0000H 0024H 0028H 0018H 0000H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low. Both A & R are true and R is the correct explanation of A. A is true but R is false. Both A & R are true but R is not the correct explanation of A . A is false but R is true. Both A & R are true and R is the correct explanation of A. A is true but R is false. Both A & R are true but R is not the correct explanation of A . A is false but R is true. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 8 10 4 6 8 10 4 6 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed None of the numbers is changed Both Ihe numbers are changed and their exponents are, made equal to -5 .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed None of the numbers is changed Both Ihe numbers are changed and their exponents are, made equal to -5 .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory) Remains unchanged Halves Doubles Increases by 2^(address bits)/addressability Remains unchanged Halves Doubles Increases by 2^(address bits)/addressability ANSWER DOWNLOAD EXAMIANS APP
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