Microprocessor Using one 8259 IC is equivalent to providing …………. INTR pins on 8085 8 12 16 18 8 12 16 18 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer may be in RAM or ROM resides in RAM resides in ROM resides in microprocessor may be in RAM or ROM resides in RAM resides in ROM resides in microprocessor ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The operating modes of 8255 A are called Mode 0, mode 2 and mode 3 Mode 0 and mode 2 Mode 0, mode 1 and mode 2 Mode 0 and mode 1 Mode 0, mode 2 and mode 3 Mode 0 and mode 2 Mode 0, mode 1 and mode 2 Mode 0 and mode 1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor When the write enable input is not asserted, the gated D latch _________ its output. Can not change Sets Complements Clears Can not change Sets Complements Clears ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are irrelevant all bits set (i.e. FFH) all bits reset (i.e. 00H) same as the content of A7-A0 irrelevant all bits set (i.e. FFH) all bits reset (i.e. 00H) same as the content of A7-A0 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode 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 .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed ANSWER DOWNLOAD EXAMIANS APP
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