The main reason why the internal data of computer is expressed in binary form is ()
A. For the convenience of programming
B. Due to the physical properties of the device
C. For versatility
D. In order to improve the operation speed
查看答案
The program that single chip microcomputer can run directly is called.
A. Source program
B. Assembler
C. Object program
D. Compiler
The program counter PC in MCU is used to ()
A. Store instruction
B. Store the address of the instruction being executed
C. Store next instruction address
D. Store last instruction address
The reason why the internal data of single chip microcomputer is expressed in binary form is that
A. For the convenience of programming
B. Limited by the physical properties of the device
C. For versatility
D. In order to improve the operation speed
When MCS-51 MCU applies for interrupt at the same time from interrupt sources of the same priority, the CPU first responds ( ).
A. external interrupt 0
B. external interrupt 1
C. timer 0 interrupt
D. timer 1 interrupt
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