Transcript Hardware and Software

This is CS50 AP.
an introduction to the intellectual enterprises
of computer science and the art of programming
Unit 0
Module 4
© David J. Malan, Doug Lloyd
Software
Instructions for the computer –
You cannot touch software – it can be
compared to your thoughts
hardware
binary number system
Motherboard
The main circuit board –
it connects all the
other parts
CPU
speed (GHz)
memory
CPU
The “brain” of the computer
It interprets and executes the commands
from the hardware and software
Random Access Memory
RAM
size
speed
Random Access Memory
the temporary or "working" memory
that allows multitasking
KERNEL
A Key part of the
Operating System
Is the first part of the Operating System
that loads into Memory
A key piece of the operating system
When the operating system starts the kern
Responsible for Disk, Task and Memory Mangement
Video/graphics card
Sends Images to the screen/monitor
to the screen/monitor
hard drive
“spinning platter” HDD
solid state SSD
Main data storage area
Contains data and software files
Drives
Optical
Floppy
Zip/Thumb
Hardware that enables data to be
read/written from some type of media
Monitors/Display Screens
This one is pretty obvious, right?
It displays the signals the video/graphics card is
sending
peripherals
a device that can connect to the main
computer (examples: keyboard, mouse,
speakers, printer)
Ports
Work as an interface that allows a peripheral
device to connect to a computer
There are several different types of these
This is CS50 AP.