bytes inook at 140 this card, that is a tweet. hand.olding a tweet in my it is a breakthrough that we went through. the 1401 processing unit 3000 of the cards we just looked at. them in this0 of unit. the control information for attaching devices to it. the card reader is also to the processing unit. the minimum memory was 1000 characters of memory. anything one windows with less than 1700 characters. there are 4000 characters in this unit. they had additional room to get up to 16 k. is 16,000 bytes of memory. the system that we are dealing with it great because i can look at what is happening, you read the next card. this is the next card that will be read by the program. is to am going to do reset the computer. another thing that was a drive tough was a tape store data. tapeld take one real of 72 thousand boxes of cards. this is roughly 2000 cards in a box. usually you would see it with new cards or if you are transporting a program around with you. i could store roughly 70,000 boxes of cards on one tape. we can see the tape run