Microprocessor Identify the communication interfacing device from the following 8251 8257 8155 8255 8251 8257 8155 8255 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory) Doubles Halves Remains unchanged Increases by 2^(address bits)/addressability Doubles Halves Remains unchanged Increases by 2^(address bits)/addressability ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU. False True False True 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 256 65536 512 64 256 65536 512 64 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor An 8-bit microprocessor can have ………….. address lines. cannot be predicted 16 8 32 cannot be predicted 16 8 32 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The operating modes of 8255 A are called Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0 and mode 1 Mode 0, mode 1 and mode 2 Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0 and mode 1 Mode 0, mode 1 and mode 2 ANSWER DOWNLOAD EXAMIANS APP