大学MOOC Principle of Single Chip Microcomputer and the Application in Automobile(Chang'an University)1458263166 最新慕课完整章节测试答案

Unit Testing

1、单选题：
​Information in E²PROM‎​‎
选项：
A: needs to be erased with special equipment UV
B: is solidified and cannot be erased
C: is the same as the reading and writing speed of RAM
D: can be erased electrically
答案: 【 can be erased electrically】

2、单选题：
​Binary 11010110 is converted to hexadecimal as‎
选项：
A: DCH
B: ACH
C: D6H
D: A6H
答案: 【 D6H】

3、多选题：
‏Which of the following are part of the computer‏‏‏
选项：
A: Printer
B: Microprocessor
C: Interface adapter
D: Memory
答案: 【 Microprocessor;
Interface adapter;
Memory】

4、判断题：
‏The data in RAM is not lost after power-off.‏‏‏
选项：
A: 正确
B: 错误
答案: 【 错误】

5、判断题：
‎A single chip is a chip.‌‎‌
选项：
A: 正确
B: 错误
答案: 【 正确】

6、填空题：
‎The microprocessor includes an arithmetic unit and ‌‎‌
答案: 【 Controller】

Unit Testing

1、单选题：
‍What is stored in the program counter PC     ​‍​
选项：
A: The address of the next instruction to be executed by the CPU.
B: The address of the memory.
C: The next instruction to be executed by the CPU.
D: The data of the memory.
答案: 【 The address of the next instruction to be executed by the CPU.】

2、单选题：
‍What is the second function of P2 port?‌‍‌
选项：
A: Access data from off-chip memory.
B: The input of external Interrupt.
C:  Access the address of the upper 8 bits of the off-chip memory.
D:  Access the address of the lower 8 bits of the off-chip memory.
答案: 【  Access the address of the upper 8 bits of the off-chip memory.】

3、单选题：
‏Suppose the frequency of the crystal oscillator is 12MHZ, what is the time of one machine cycle?         ​‏​‏​
选项：
A: 0.167 μs
B: 0.0833 μs
C: 4 μs
D: 1 μs
答案: 【 1 μs】

4、单选题：
​Which one of these 4 ports is without the second function?   ‍​‍
选项：
A: P3
B: P1
C: P0
D: P2
答案: 【 P1】

5、判断题：
‍The power supply voltage of the microcomputer power supply is 220V‍‍‍
选项：
A: 正确
B: 错误
答案: 【 错误】

6、判断题：
‎The interrupt vector address is the first address of the space reserved for each interrupt source in ROM.‍
选项：
A: 正确
B: 错误
答案: 【 正确】

7、判断题：
‏Each bit in the bit addressable area has a bit address, and the bit address representation is the same as the byte address representation.‍‏‍
选项：
A: 正确
B: 错误
答案: 【 正确】

Unit Testing

1、单选题：
‏Timed working mode is to count‎‏‎
选项：
A: Instruction cycle
B: Clock cycle
C: Oscillation period
D: Machine cycle
答案: 【 Machine cycle】

2、单选题：
​The gate control bit is 0, which means that the timer is turned on?‍​‍
选项：
A: Only controlled by TR0
B: Controlled by TR0 and INT0 simultaneously
C: Simultaneously controlled by TR0 and INT1
D: Only controlled by INT0
答案: 【 Only controlled by TR0】

3、单选题：
‍When T0 works in mode 3, it is two 8-bit timers. When the upper 8 bits are full and overflow, the overflow flag is ( )‎‍‎
选项：
A: TR0
B: TF0
C: TF1
D: TR1
答案: 【 TF1】

4、单选题：
‌ When the timer T1 generates an interrupt ( ) bit will be 1‍‌‍
选项：
A: TR0
B: TF1
C: TF0
D: TR1
答案: 【 TF1】

5、判断题：
‏The counting mode is to count the external pulse of P0 port‏‏‏
选项：
A: 正确
B: 错误
答案: 【 错误】

6、判断题：
‌The working mode register TMOD is not bit addressable‎‌‎
选项：
A: 正确
B: 错误
答案: 【 正确】

7、判断题：
‎When the timer works in mode 2, when the lower 8 bits are full and overflow, the upper 8 bits reload the timer constant into the lower 8 bits, and no interrupt is generated at this time.‌
选项：
A: 正确
B: 错误
答案: 【 错误】

8、判断题：
‍Timer interrupt refers to applying for interrupt to the CPU when the timer is full and overflows.​‍​
选项：
A: 正确
B: 错误
答案: 【 正确】