Microprocessor After RESET 8255 will be in mode 0; all ports are input mode 2 unchanged condition mode 0; all ports are output mode 0; all ports are input mode 2 unchanged condition mode 0; all ports are output ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction. Bus Interface Unit (BIU) Execution Unit (EU) None of these Both ‘c’ and ‘d’ Bus Interface Unit (BIU) Execution Unit (EU) None of these Both ‘c’ and ‘d’ ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A mask programmed ROM is programmed by the user erasable and programmable programmed at the time of fabrication erasable electrically programmed by the user erasable and programmable programmed at the time of fabrication erasable electrically ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as latches counters flags shift registers latches counters flags shift registers ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an intel 8085A, which is the first machine cycle of an instruction? A memory write cycle An op-code fetch cycle A memory read cycle An I/O read cycle A memory write cycle An op-code fetch cycle A memory read cycle An I/O read cycle 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
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