题目内容

Intel 8051 CPU is a () bit MCU

A. 16
B. 4
C. 8
D. Quasi-16(准16位)

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For Intel 8051, EA pin is always ()

A. Grounding
B. Connect the power supply
C. Hanging in the air
D. No

In computer, ‘a ’is represented by ()

A. BCD code
B. Two-one-one decimal code
C. Remaining three yards(余三码)
D. ASCII code

In single chip microcomputer, some intermediate results are usually put in ()

Accumulator
B. Controller
C. Program memory
Data storage

Instructions and programs are stored in program memory in the form of ()

A. Source program
B. Assembler
C. Binary code
D. BCD code