Microprocessor Number of Hex digits needed to represent the 20-bit address of a memory location are 20 5 4 16 20 5 4 16 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DMA is used between microprocessor and I/O none memory and I/O microprocessor and memory microprocessor and I/O none memory and I/O microprocessor and memory ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct? 1,2 & 3 1,3 &4 1,2 & 4 2,3&4 1,2 & 3 1,3 &4 1,2 & 4 2,3&4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is A larger floating point number Either A or B depending on the actual number A smaller floating point number A negative floating point number A larger floating point number Either A or B depending on the actual number A smaller floating point number A negative floating point number ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH SP POP PSW PUSH A PUSH PSW PUSH SP POP PSW PUSH A PUSH PSW ANSWER DOWNLOAD EXAMIANS APP
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