Computer Awareness

'QWERTY' କୀବୋର୍ଡ କିଏ ଉଦ୍ଭାବନ କରିଥିଲେ?

1

ଡଗ୍ଲାସ ଏଙ୍ଗେଲବାର୍ଟ

2

ଖ୍ରୀଷ୍ଟୋଫର ଶୋଲ୍ସ

3

ବିଲ ଗେଟ୍ସ

4

ଷ୍ଟିଭ ଜବ୍ସ

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