Which of the following was used as circuitry for first generation of computers? (1) Vacuum tube (2) Transistors (3) Integrated circuits (4) Microprocessors

Which of the following was used as circuitry for first generation of computers? (1) Vacuum tube (2) Transistors (3) Integrated circuits (4) Microprocessors
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Vacuum tube
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Microprocessors can be used to make a. Computers b. Digital systems c. Calculators d. All of above

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One of the main feature that distinguish microprocessors from micro-computers is a. Words are usually larger in microprocessors b. Words are shorter in microprocessors c. Microprocessor does not contain I/O devices d. Exactly the same as the machine cycle time

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The chief reason why digital computers use complemented subtraction is that it (A) Simplifies the circuitry. (B) Is a very simple process. (C) Can handle negative numbers easily. (D) Avoids direct subtraction.

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.............. is a type of memory circuitry that holds the computer’s start-up routine. (A) RIM (Read Initial Memory) (B) RAM (Random Access Memory) (C) ROM (Read Only Memory) (D) Cache Memory

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How did vacuum tubes cause a problem for first generation computers

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Last Answer : They were unreliable, required a lot of power to run, and produced so much heat that air conditioning was needed to protect computer parts.