Article last reviewed: 2016 | St. Rosemary Institution © 2010-2017 | Creative Commons 4.0

Slavery in the Early Settlements

The Origins of the Minority Groups in America Native Americans –       As the settlers took over the land, the Natives went through back- breaking work done on farms –       Conquistadors forced Natives to work for a tax –       Slave-like existence –       Working conditions in gold and silver mines were unsanitary, dark, cave-like –       Diseases spread:…

ASCII: American Standard Code for Information Interchange

Recall: Computers communicate using binary Therefore, computers do NOT process information using characters (e.g. letters). Each letter or character has a number representation that the computer uses to refer to the character. ASCII: American Standard Code for Information Interchange ASCII is a code for representing English characters as numbers. The ASCII numbers range from 0…

Computer Communication Channels and Cables

Definition In a network, a communication channel is the physical path the transmission signals travel. It is the path information travels from computer to computer. How do the computers in a network “connect” to each other. The 5 communication channels twisted pair cables coaxial cables fibre optic cables terrestrial stations communication satellites Twisted pair cables…

Types of Computers & Parts

Hardware vs. Software Hardware is the physical equipment directly involved in the performance of data-processing or communications functions. Software is the programs, routines, and symbolic languages that control the functioning of the hardware and direct its operation. Definition of a computer A computer is a programmable machine that stores, retrieves, and processes information A Personal…

Battle of Britain

Hitler’s belief: after Norway, Denmark, Poland, Luxembourg, Belgium, Holland and France fell into German hands, Britain would only naturally be so scared after being thrown out of Europe that it would beg for surrender. Two options: Limited military action, propaganda and political warfare An actual invasion July 10, 1940: Operation Sea lion – an invasion…