Microprocessor The microprocessor issues ALE during first T-state of every machine cycle memory WRITE cycle only memory READ cycle only fetch cycle only every machine cycle memory WRITE cycle only memory READ cycle only fetch cycle only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for the user None of these direct memory access for the I/O device direct memory access for microprocessor direct memory access for the user None of these direct memory access for the I/O device direct memory access for microprocessor ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8279 8251 8259 8253 8279 8251 8259 8253 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed Both Ihe numbers are changed and their exponents are, made equal to -5 .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed None of the numbers is changed .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed Both Ihe numbers are changed and their exponents are, made equal to -5 .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed None of the numbers is changed ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in mode 0; all ports are output unchanged condition mode 2 mode 0; all ports are input mode 0; all ports are output unchanged condition mode 2 mode 0; all ports are input ANSWER DOWNLOAD EXAMIANS APP