Microprocessor Using one 8259 IC is equivalent to providing …………. INTR pins on 8085 16 18 8 12 16 18 8 12 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The control flags in 8086 are: All of these the interrupt flag(IF). the Trap flag(TF). the direction flag(DF). All of these the interrupt flag(IF). the Trap flag(TF). the direction flag(DF). 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”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. AND that bit with “1” and remaining bits with “0”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable. WORD (16 bits) BYTE NIBBLE DOUBLEWORD (32 bits) WORD (16 bits) BYTE NIBBLE DOUBLEWORD (32 bits) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The program counter in a 8085 micro-processor is a 16-bit register, because It facilitates the user storing 16-bit data temporarily There are 16 address lines It has to fetch two 8-bit data at a time It counts 16-bits at a time It facilitates the user storing 16-bit data temporarily There are 16 address lines It has to fetch two 8-bit data at a time It counts 16-bits at a time ANSWER DOWNLOAD EXAMIANS APP
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