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Digital Electronics - Microprocessor Fundamentals

Exercise

"We cannot solve our problems with the same thinking we used when we created them."
- Albert Einstein
1. 

The devices that provide the means for a computer to communicate with the user or other computers are referred to as:
A. CPU
B. ALU
C. I/O
D. none of the above
2. 

The software used to drive microprocessor-based systems is called:
A. assembly language
B. firmware
C. machine language code
D. BASIC interpreter instructions
3. 

The circuits in the 8085A that provide the arithmetic and logic functions are called the:
A. CPU
B. ALU
C. I/O
D. none of the above
4. 

How many buses are connected as part of the 8085A microprocessor?
A. 2B. 3
C. 5D. 8
5. 

The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.
A. control bus
B. control instructions
C. address decoder
D. CPU

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