When was the world’s first laptop computer introduced in the market and by who

When was the world’s first laptop computer introduced in the market and by whom?

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1) In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board?

2) Which of the following is first generation of computer

3) IBM 7000 digital computer

4) Which of the following is not processing?

5) Computers with 80286 microprocessor is