If there was a computer as powerful as the human brain, it would be able to do 38 thousand trillion operations per second and hold more than 3580 terabytes of memory. 4. An average person normally blinks 20 times a minute, but when using a computer he/she blinks only 7 times a minute. 5.

large random access memory of 2nd generation computer were few tens of kilobytes.

Mark I computer

mark I was 50 feet long 8 feet high and uses 3000 electrically connected switches