Microprocessor Which one of the following ICs is used to interface keyboard and display? 8259 8279 8253 8251 8259 8279 8253 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions all interrupts except non-maskable interrupt are disabled the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any mask able interrupt the microprocessor cannot be interrupted by any interrupt all interrupts except non-maskable interrupt are disabled the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any mask able interrupt the microprocessor cannot be interrupted by any interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following statement is false? A microprocessor has bi-directional data bus A microprocessor has unidirectional address bus A microprocessor has an ALU A microprocessor has bi-directional address bus A microprocessor has bi-directional data bus A microprocessor has unidirectional address bus A microprocessor has an ALU A microprocessor has bi-directional address bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor IN an intel 8085A microprocessor, why is READY signal used? To slow down a fast peripheral device so as to communicate at the microprocessor’s device. None of these To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device. To indicate to user that the microprocessor is working and is ready for use. To slow down a fast peripheral device so as to communicate at the microprocessor’s device. None of these To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device. To indicate to user that the microprocessor is working and is ready for use. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The operating modes of 8255 A are called Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0 and mode 1 Mode 0, mode 1 and mode 2 Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0 and mode 1 Mode 0, mode 1 and mode 2 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The register which holds the information about the nature of results of arithmetic and logic operations is called as Process status register Accumulator Condition code register Flag register Process status register Accumulator Condition code register Flag register ANSWER DOWNLOAD EXAMIANS APP
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