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) The programs which are as permanent as hardware and stored in ROM is known as

2) Programs designed to perform specific tasks is known as

3) In which year was UK’s premier computing event called ?The which computer? started?

4) Which of the following computer is not invented by J.P. Eckert and John Mauchly?

5) An error in computer data is called