知到智慧树 微机原理及应用(双语) 答案满分完整版章节测试

净钡喜扭怜扑怠憨裤赂缔玫懒



第一章 单元测试

1、 What kind of device does the MCS-51 microcontroller belong to? ( )

A:4-bit device
B:8-bit device
C:16-bit device
D:32-bit device
答案: 8-bit device

2、 The operation of taking a number from memory into the CPU is called ( ).

A:EXECUTE
B:WRITE
C:READ
D:FIND
答案: READ

3、 The 8951 microcontroller contains ( )

A:ROM
B:EPROM
C:EEPROM
D:No memory
答案: EEPROM

4、 What is the highest address in a memory system with 16 data lines? ( )

A:65534
B:65535
C:65536
D:63357
答案: 65535

5、

What are the basic actions that a microprocessor can carry out?

A:Taking a number from memory (READ)
B: Putting a number into memory (WRITE)
C:Arithmetic operations
D:Logical operations (bit manipulation)
E:Making decisions about the program route (jumps and subroutine calls)
答案: Taking a number from memory (READ)
 Putting a number into memory (WRITE)
Arithmetic operations
Logical operations (bit manipulation)
Making decisions about the program route (jumps and subroutine calls)

第二章 单元测试

1、 In internal RAM, only one of the four register banks is in used at any time when the program is running. ( )

A:对
B:错
答案: 对

2、 When using an external crystal for the 8051 clock, what values of capacitors should be connected to it? ( )

A:300 F
B:3 pF
C:30 nF
D:30 pF
答案: 30 pF

3、 On the 8051 what is the storage size (in bits) of accumulator A? ( )

A:8 bit
B:16 bit
C:32 bit
D:12 bit
答案: 8 bit

4、 Which port has alternate function pins? ( )

A:Port 0
B:Port 1
C:Port 2
D:Port 3
——————————————————————————————————————————-
答案: Port 1

5、

Which type of memory organization is used by the MCS-51 microcontrollers?

A:Harvard
B:Von Neumann
C:Shandong
D:

London

答案: Harvard

第三章 单元测试

1、 What is the jump range of instruction LJMP? ( )

A:64KB
B:2KB
C:1KB
D:256B
答案: 64KB

2、 What is the addressing mode of the second operand in the instruction MOVX A, @DPTR ? ( )

A:Immediate
B:Register
C:Direct
D:Indirect
答案: Indirect

3、 If MOV (direct) is used for address 87h which type of memory is accessed? ( )

A:SFRs
B:Internal RAM
C:Register A
D:External RAM
答案: SFRs

4、 The Stack Pointer will be decremented when a PUSH operation is made? ( )

A:对
B:错
答案: 错

5、

Which instruction will clear the low nibble of A if A = C5h?

A:

SWAP A

B:

ORL A, #0Fh

C:

ANL A, #0F0h

D:

XRL A, #0FFh

答案:

ANL A, #0F0h


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