Microprocessor Identify the programmable DMA controller from the following 8253 8279 8257 8251 8253 8279 8257 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor with a 12-bit address bus will be able to access 1 K bytes 8 K bytes 4 K bytes 10 K bytes 1 K bytes 8 K bytes 4 K bytes 10 K bytes ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to address bus. transferred to memory data register. incremented by one. transferred to memory address register . transferred to address bus. transferred to memory data register. incremented by one. transferred to memory address register . ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for the user direct memory access for microprocessor None of these direct memory access for the I/O device direct memory access for the user direct memory access for microprocessor None of these direct memory access for the I/O device ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor? (I) ,(III) & (IV) (I) only (II) & (III) (I) & (II) (I) ,(III) & (IV) (I) only (II) & (III) (I) & (II) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Register pair used to indicate memory D and E W and Z H and L B and C D and E W and Z H and L B and C ANSWER DOWNLOAD EXAMIANS APP
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