The correct answer is: D. All of the above
A microprocessor is a multipurpose, programmable device that accepts digital data as input, processes it according to instructions stored in its memory, and provides results as output. It is an integrated circuit that contains all the functions of a computer’s central processing unit (CPU) on a single chip.
Microprocessors are controlled by programs, which are sequences of instructions that tell the microprocessor what to do. The programs are stored in the microprocessor’s memory, which can be either read-only memory (ROM) or random-access memory (RAM). ROM is used to store programs that are permanently stored in the microprocessor, while RAM is used to store programs that are being used by the microprocessor at the moment.
Microprocessors are relatively inexpensive, which has made them widely used in a variety of applications, including computers, automobiles, and appliances.
Here is a brief explanation of each option:
- A. Controlled by a program
Microprocessors are controlled by programs, which are sequences of instructions that tell the microprocessor what to do. The programs are stored in the microprocessor’s memory, which can be either read-only memory (ROM) or random-access memory (RAM). ROM is used to store programs that are permanently stored in the microprocessor, while RAM is used to store programs that are being used by the microprocessor at the moment.
- B. An integrated circuit
A microprocessor is an integrated circuit, which is a small electronic device that contains a large number of transistors on a single chip. Integrated circuits are used in a variety of electronic devices, including computers, cell phones, and televisions.
- C. Relatively inexpensive
Microprocessors are relatively inexpensive, which has made them widely used in a variety of applications. The cost of a microprocessor has decreased significantly over the years, making it possible to use them in a variety of products that were not previously possible.