Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 8 6 4 10 8 6 4 10 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? There can be maximum of 256 input devices and 256 output devices Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line Devices are accessed using IN and OUT instructions 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 Increases by 2^(address bits)/addressability Doubles Remains unchanged Halves Increases by 2^(address bits)/addressability Doubles ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many machine cycles are required for execution of IN 30H instruction 3 6 5 4 3 6 5 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is 64 65536 256 512 64 65536 256 512 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is A negative floating point number A larger floating point number A smaller floating point number Either A or B depending on the actual number A negative floating point number A larger floating point number A smaller floating point number Either A or B depending on the actual number ANSWER DOWNLOAD EXAMIANS APP
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