13 Jul 2022
Department
Course
Professor
Module One Notes
Impact of Digital Technology
What is computer literacy?↔Having a current knowledge and understanding of computers, mobile
devices, the web, and related technologies.
Computer↔an electronic device, operating under the control of instructions stored in its own memory,
that can accept data and produce and store that same data.
data→raw facts, such as numbers or text.
hardware→The device itself and its components, such as wires, cases, switches, and electronic
circuits.
software→the programs and apps that instruct the computer to perform tasks. Software processes
data into meaningful info.
microprocessor→the "brains" of a computer, a chip that contains a central processing unit.
History of Computers
The first generation of computers used?↔Vacuum tubes https://remnote-user-
data.s3.amazonaws.com/WzPnuKCeoxIt5pGV7yGca3zX05OcL_wI2P9ERTiEEAJ3Q1YihCr1ESgnowdGyLna
GR9F6r3nyG-wfkdJroCTQCY7_44agylZ1so6btq2IQkA0SKNPpSOORyyuDAXV0po.png
vacuum tubes→cylindrical glass tubes that controlled the flow of electrons, used in the first
generation of computers.
The second generation of computers replaced vacuums tubes with?↔Transistors
Integrated circuits↔Developed in the 1960s, packed an equivalent of thousands of vacuums tubes or
transistors into a silicon chip about the size of your thumb.
Computer for personal use started to gain traction around?↔1970s and 1980s
Personal Computer (PC)→Computers designed for personal use, as opposed to commercial or
industrial use. https://image.shutterstock.com/image-photo/dallas-tx-usaapr-26-2019-600w-
1385155973.jpg
