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Tally system- 30,000 BC to 20,000 BC
The tally system was something they used in cave time to keep track of numbers. They carved out tallys on cavewalls to keep storage of their counting. This was the first way of keeping track of numbers that was acessible for later times. -
Abacus- 3000 BC
It was the first type of calculator back in the day. They used stones and rocks in a sandpit. Now we have digital calculators -
Stepped Reckoner
This was the first machine for math equations.It used the decimal number system, and he advocated the binary number system. We still use the boinary system today in computers, -
The punch card
This was one of the earlier ways of keeping data, through punbched holes. Now, we don't need these because our computer has better features -
The difference engine
The difference machine was the first powered, steam calculator. This went from a calculator a quarter the size of this room, to as big as my 2 palkms put together. It went from steam powered, to solor and battery powered. -
First American Telegraph
The telegraph revolutionized long distance communication. This was the first way people can talk from different points across the country. This was the start of what eventually leaded to the cell phones we have now. -
The improved arithmometer
This was the first key- calculating machine. This was a big deal because it used computing and typing together to calcuate math equations. -
First Marketable Typewriter
This was the first typewriter, and it had keys and it can print on a paper. This was also the start of the keyboard in QWERTY form, which we still use today. -
First mechanical cash register
The mechanical cash register was the first way for counting the amount of sale. This has lead to a cash register that now has features like to take out discounts, return items, take credit card pay, and tell you the amount of change to give to the customer -
Hollerith desk.
This machine could read punch cards, and mechanically aknoweldge the holes in the punch card. It could show count, and a wall of dials to show results. -
Z1
Driven mechanical calculator with limited programibility, reading instructions to punched tape. -
Z2
The first computer with the use of numeric units, with 600 relays, the first fully functioning electro-mechanical computer. -
Z3
The block structure of the Z3 is very similar to a modern computer. The Z3 consisted of separate units, such as a punch tape reader, control unit, floating-point arithmetic unit, and input/output devices. The Z3 was the first fully programmable, digital computing machine. Our modern computers today have the same idea, just updated parts. -
Colossus computer.
These machines were used to decipher encrypted
teleprinter messages sent by the Germans during
World War II, something we still use and do today. -
Z4
used electromechanical relays, the Z4 was the world's first commercial digital computer, -
Altair
Since there was no keyboard or screen, information was entered by clicking switches on the front of the machine.This was the beginning of the microcomputer revolution. -
The Apple 1
the first personal computer, called the Apple 1, with a built-in
keyboard, display screen, and storage unit. We have the same idea now but very modern, -
Apple 2
The apple 2 was one of the most popular computers ever. a color display, eight internal expansion slots, and a case with a keyboard. The Apple II was also available as a circuit-board only, without keyboard, power supply, or case. Kind of like some of the computers today. -
First IBM Computer
The IBM PC revolutionized business computing by becoming the first PC to gain widespread adoption by industry -
NeXT Workstation
Like our computers today, the next workstations was a very powerful, high-end workstation designed for colleges, students, and universities. -
Soundblaster
A sound card for the PC. The sound card contained an 11-voice FM synthesizer with text-to-speech, digitized voice input/output, a MIDI port, a joystick port and bundled software. Although it probalby wasn't great back then, we still have that today, just way more improved -
Zenith MinisPort
the Minisport is the smallest Zenith laptop ever. This could have been the influence of the idea today where everything needs to be small and light. -
Macintosh Powerbook
The Apple Macintosh Portable from 1989 was Apple's first portable computer, but it was a huge, heavy, beast of burden, weighing in at over 15 pounds. This is how laptops started, and they revolutionized to the 2 pound high capicity mac's there are now.
