The
variants of 8051 microcontroller differ in ( )
A: Amount
of on-chip memory
B: Operating
speed
C: On-chip
peripherals
D: all
of these candidates
variants of 8051 microcontroller differ in ( )
A: Amount
of on-chip memory
B: Operating
speed
C: On-chip
peripherals
D: all
of these candidates
举一反三
- The 8051 has ( ) on-chip program memory. A: 1K<br/>bytes B: 2K<br/>bytes C: 4K<br/>bytes D: 64K<br/>bytes
- In turning, the<br/>most cutting heat ()。 A: pass<br/>on the workpiece B: pass<br/>on the cutter C: pass<br/>on the machine tool D: take away by chip
- Which of the following is not a feature of bootloader( ) A: Bootloader<br/>runs when the system is just started B: Bootloader<br/>can do system initialization C: Bootloader<br/>includes all functions of the application D: Bootloader<br/>is responsible for copying the operating system kernel into memory
- According<br/>to the weathermen last winter was<br/>one of the worst in living memory.<br/>The part in italics has all the following meanings except_______ A: it<br/>was the worst in the memory of those who are still alive B: last winter was so bad that<br/>it would never be forgotten C: it was the worst winter ever<br/>known D: last winter was the worst of<br/>all in the memory of the people now alive
- Which<br/>of the following are the three major categories included on the<br/>statement of cash flows?() A: Investing,<br/>operating and financing activities B: Investing,<br/>capital and financing activities C: Investing,<br/>operating and contracting activities D: Financial,<br/>operating and internal control activities