This is Atari Portfolio, the first PDA compatible with PCs from 1989. How long did it work on batteries?

20 minutes

2 hours

20 hours

2 weeks

Powered by three AA fingers, this tiny computer could work up to 2 weeks. Built on the basis of the 80C88 processor with 4.91 MHz frequency, it had a text-based operating system compatible with DOS 2.0 and a set of built-in office applications.

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Answers by country

Australia

21%

71%

the United States

21%

23%

10%

44%

Greece

30%

20%

10%

40%

Switzerland

33%

11%

13%

38%

Poland

31%

25%

12%

30%

1832

Germany

36%

26%

14%

20%

240

the United Kingdom

27%

36%

13%

18%

Republic of Ireland

16%

33%

16%

Austria

26%

38%

20%

14%

India

32%

36%

13%

10%

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