Micro Processor BCA-3
Micro Processor BCA-3 1. Two's complement representation of -2 is__ a) 110 b)0110 c)1110 d)none of these 2. the binary representation of decimal number 0.375 is___ a) 1110 b)01110 c)0.011 d)1.001 3.8085 model includes ___-register a) one b)two c)six d)seven 4.8085 has ____ general purpose register to store ___ bit data a) one ,3 b)two ,4 c) six,8 d)none of these 5. this 16 bit register deals with sequencing the execution of instructions_ a)ac b)dc c)pc d)none of these 6. the beginning of the stack is defined by loading 16 bit address in the ____ a)pc b)ac c)sp d)none of these 7.the size of 8085 address bus is ____ bit a) two b)three c )16 d)8 8.state TRUE/False ; trap is an un makeable interrupt. a) FALSE b) TRUE c)NO comment d)Both a & b 9. these two pins provide connection for an external frequency_____ a)A,B b) A,C c)x1,x2 d)none of these 10_________ flag is set to 1 by the instruction just en...