Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 128. 64. 16. 32. 128. 64. 16. 32. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is 64 65536 512 256 64 65536 512 256 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in 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 mode 0; all ports are input ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following instruction will never affect the zero flag? XRA R DCR R ORA R DCX Rp XRA R DCR R ORA R DCX Rp ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not a general purpose peripheral? I/O port Programmable interrupt controller Programmable CRT controller Programmable interval timer I/O port Programmable interrupt controller Programmable CRT controller Programmable interval timer ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier] Circuit A has more gates than circuit B Circuit B has more gates than circuit A None of these Circuit A has the same number of gates as circuit B Circuit A has more gates than circuit B Circuit B has more gates than circuit A None of these Circuit A has the same number of gates as circuit B ANSWER DOWNLOAD EXAMIANS APP
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