惕合讣噬堕苍九吵淡隆码茫潜
对应课程:点击查看
起止时间:2020-05-18到2020-09-11
更新状态:已完结
Project 1： Household Lighting Control System Design Project 1 Task 1 Quiz
1、 What is the MCU control core, complete operations and control functions.
A:CPU
B:RAM
C:ROM
D:ALE
答案: CPU
2、 MCU is essentially a
A:chip
B:circuit board
C:Program
D:C51 software
答案: chip
3、 Which two parts of the MCU application system?
A:arithmetic unit and the controller
B:memory and register
C:hardware system and software system
D:input and output
答案: hardware system and software system
4、 What are the two parts of a CPU?
A:arithmetic unit and controller
B:adders and registers
C:arithmetic unit and adder
D:arithmetic unit and decode
答案: arithmetic unit and controller
5、 Which of the following components is not integrated in the MCU?
A:input devices
B:memory
C:CPU
D:interface circuit
答案: input devices
6、 Intel 8051 MCU is a bit MCU
A:32-bit
B:16-bit
C:8-bit
D:4-bit
答案: 8-bit
7、 Which of the following devices are external input devices?
A:LED
B:switch
C:keyboard
D:mouse
答案: switch;
keyboard;
mouse
8、 Keil C51 software can translate the high-level language into the MCU can recognize the binary language.
A:正确
B:错误
答案: 正确
9、 There is only one way to execute a program continuously using Keil C51 software.
A:正确
B:错误
答案: 错误
10、 C language program can be downloaded directly to the MCU.
A:正确
B:错误
答案: 错误
Project 1： Household Lighting Control System Design Project 1 Task 2 Quiz
1、 Once the MCU is in a chaotic state, which signal is effective to make it instantly from chaos back to the original harmony?
A:clock signal
B:interrupt the system
C:timer
D:reset signal
答案: reset signal
2、 What is the condition of MCU reset?
A:there is a high level above 1 machine cycle on the reset pin
B:there is a high level on the reset pin with more than 2 machine cycles
C:there is a low level above 1 machine cycle on the reset pin
D:reset the low level on the pin with more than 2 machine cycles
答案: there is a high level on the reset pin with more than 2 machine cycles
3、 Which of the following is the reset pin of MCU?
A:RST
B:XTAL1
C:XTAL2
D:RXD
答案: RST
4、 Programs are stored in program memory in form.
A:C language source program
B:assembler
C:Binary coding
D:BCD
答案: Binary coding
5、 Memory with read – only can not write, data will not be lost after power is.
A:CPU
B:RAM
C:ROM
D:ALU
答案: ROM
6、 What does the first expression in an for statement usually do?
A:assign an initial value to the loop variable
B:circular condition judgment
C:modify the loop variables
D:the loop body
答案: assign an initial value to the loop variable
7、 What are the three program structures of C?
A:sequential structure
B:selective structure
C:loop structure
D:
答案: sequential structure;
selective structure;
loop structure
8、 The working process of SCM is the process of running hardware.
A:正确
B:错误
答案: 错误
9、 Microcontroller minimum system circuit is the microcontroller can work the smallest circuit, generally including the clock circuit and reset circuit.
A:正确
B:错误
答案: 正确
10、 MCU’s XTAL1 and XTAL2 pin is the clock signal pin.
A:正确
B:错误
答案: 正确
Project 1： Household Lighting Control System Design Project 1 Task 3 Quiz
1、 The name of the pin of the accessor store control signal is.
A:EA
B:PSEN
C:RST
D:ALE
答案: EA
2、 MCU parallel I/O port line P1.0 to P1.3 connected to four LED, at this time it is what interface function?
A:input interface
B:output interface
C:
D:
答案: output interface
3、 In 8051 MCU, the pin used in the input/output pin for the special second function is ().
A:P0
B:P1
C:P2
D:P3
答案: P3
4、 When is the value of an expression in if false?
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