Microprocessor Identify the programmable DMA controller from the following 8251 8279 8257 8253 8251 8279 8257 8253 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 same as the content of A7-A0 all bits reset (i.e. 00H) all bits set (i.e. FFH) irrelevant same as the content of A7-A0 all bits reset (i.e. 00H) all bits set (i.e. FFH) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The 8085 microprocessor enters into bus idle machine cycle whenever DAD RP instruction is executed RST 7.5 is recognized INTR interrupt is recognized None of these DAD RP instruction is executed RST 7.5 is recognized INTR interrupt is recognized None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions? H-L. D-E. Program Counter. Stack Pointer. H-L. D-E. Program Counter. Stack Pointer. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor with a 12-bit address bus will be able to access 4 K bytes 8 K bytes 1 K bytes 10 K bytes 4 K bytes 8 K bytes 1 K bytes 10 K bytes ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct? (II) only (I) only (I), (II) & (III) (II) & (III) (II) only (I) only (I), (II) & (III) (II) & (III) ANSWER DOWNLOAD EXAMIANS APP
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