Today we will be discussing number systems and computer architecture. Please watch all the videos. Be prepared to watch them several times as you wade through your blackboard quiz and homework. The quiz is focusing on the vocabulary and the homework is focusing on converting numbers between the different number systems.

Table of Contents

Short videos teaching the numeric systems and computer architecture

Numeric Systems videos

Why we use a variety of number systems video

Khan academy video defining number systems and Binary video

Khan academy hexadecimal system

We will be doing an in class practice document to prepare you for your number systems homework.

Binary-Number-practice-inclass2021-DEMO Download

Computer Architecture

Peripheral devices

Vocabulary

Word	Definition
Numeric Systems
Binary	A two-digit (Base-2) numerical system
Decimal	A ten-digit (Base-10) numerical system
hexadecimal	a sixteen-digit (Base-16) numerical system
ASCII	American Standard Code Information Interchange, converts computers data which is numbers into letters. ASCII assigns one bit of binary code to a letter or symbol
About transistors
micro-transistor	A transistor is a type of a semiconductor device that can be used to both conduct and insulate electric current or voltage. A transistor basically acts as a switch. On or Off.
Bit	one single transistor or one binary digit.
Byte	8 bits
computer Architecture
Mother board	contains CPU and RAM
CPU	Central processing unit. Brain of the computer. Processes information and carries out commands
RAM	random access memory. Short term memory used to perform calculations. You cannot store information in the RAM. It clears out everytime you shut down the computer
BUS	a link that allows the transfer of data between components
hard drive	Persistent storage: long term storage. Saves data even when machine is off.
Graphics card	a printed circuit board that controls the output to a display screen.
Expansion slots	used to upgrade machine with additional cards
power supply	networks power system to drive all electrical components
Computer peripherals	input and output devices: mouse, keyboard, monitor

Assignments

Go back to blackboard and take the computers quiz inside the homework quizzes and tests tab, quizzes folder, Computer quiz Icon.
This is a link to the homework page there is a video and downloadable homework assignment.

Paper 2

Rough draft due. Turn in on blackboard, homework, quizzes, tests tab, project folder, Paper 2 rough draft icon,

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week 9 The language of Computers

Short videos teaching the numeric systems and computer architecture

Numeric Systems videos

Computer Architecture

Peripheral devices

Vocabulary

Assignments

Paper 2

License

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The OpenLab at City Tech:A place to learn, work, and share

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The OpenLab at City Tech:A place to learn, work, and share

Support

Accessibility

Copyright

Creative Commons