Which register usually store the output generated by ALU in several arithmetic and logical operations?

Which operations are performed by the bit manipulating instructions of boolean processor?

A. Complement bit

B. Set bit

C. Clear bit

D. All of the above

Which data memory control and handle the operation of several peripherals by assigning them in the category of special function registers?

A. Internal on-chip RAM

B. External off-chip RAM

C. Both a & b

D. None of the above

Why is the speed accessibility of external data memory slower than internal on-chip RAM?

A. Due to multiplexing of lower order byte of address-data bus

B. Due to multiplexing of higher order byte of address-data bus

C. Due to demultiplexing of lower order byte of address-data bus

D. Due to demultiplexing of higher order byte of address-data bus

Why is CHMOS technology preferred over HMOS technology for designing the devices of MCS-51 family?

A. Due to higher noise immunity

B. Due to lower power consumption

C. Due to higher speed

D. All of the above

Which condition approve to prefer the EPROM/ROM versions for mass production in order to prevent the external memory connections?

A. size of code < size of on-chip program memory

B. size of code > size of on-chip program memory

C. size of code = size of on-chip program memory

D. None of the above