Microprocessor In microprocessor based system I/O ports are used to interface the I/O devices and memory chips the O/P devices only the I/P device only all the I/O devices the I/O devices and memory chips the O/P devices only the I/P device only all the I/O devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not a general purpose peripheral? Programmable CRT controller I/O port Programmable interrupt controller Programmable interval timer Programmable CRT controller I/O port Programmable interrupt controller Programmable interval timer ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The maximum number of seven segment displays that can be connected to 8279 is 8 18 12 16 8 18 12 16 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) same as the content of A7-A0 all bits reset (i.e. 00H) irrelevant all bits set (i.e. FFH) same as the content of A7-A0 all bits reset (i.e. 00H) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor ________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line. SIM EI DI RIM SIM EI DI RIM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
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