Class notes
Class notes APCT110-111 /into to programming
- Course
- APCT110-111
- Institution
- University Of The District Of Columbia
Class notes based on my intro to python course. Basic principles and practices of programming.
[Show more]
Seller
Follow
Content preview
Chapter 1 : Main Topics hardware & software how:
, computers
computers can be
programmed Store data , how
programs
work ,
using python,
Program : A set of instructions that a comp bugginga debugging
follows to preform a task (core component Softmawhat : the computer does ; if the hardware
of software !) is the
body , the software is the "soul"
The programmer is the person that designs ,
* Application Soft programs for :
everyday tasks
creates , a tests computer email
programs ex .
,
games ,
web browsers
(software developer) * Soft programs that
System : control a manage
Hardware US Software : basic operations of computers
Hardware the physical of : the computer;think -
operating system(windows ,
Linux , Apple, etc):
the body not the "soul" , manager All of the other application programs
Major components : in a computer ; initially loaded into the
1
) CPU
.
=
central
processing unit : the part that computer by a boot
program
runs the programs (can't run software without it) -
Utility Program performs specific : tasks to
↳ microprocessors computer
are CPUs on chips (very tiny) enhance operation or
safeguard
2) Main stored here when data (ex Antivirus software disk clean up
memory :
programs are .
, ,
they're being run . This is Random Access
Memory file management ,
uninstallers ,
etc. )
(RAM) Gives CPU quick to data to Soft development tools create modify,
-
access run a :
,
program Temporary Storage (volatile) ! & test software programs
Erased when the computer is off ·
ex compilers , code editors , GUI
3) secondary storage devices : holds data for long designers ,
etc .)
periods of time , unlike RAM- programs stored How Computers Store Data
here for long term & transferred
in
memory
to
,
All data is stored in squences of Os And Is
be ran
bytes the basic unit of information in comp
types disk drive , solid state
memory , & flash storage & processing Consists of right binary .
memory digits (bits ; Os & 1s) that represents single
a
.
4
. input & output devices : Character-letter , number ,
or
symbol
Inputidata collected from other devices & people bi electrical component; key
: or positive charges
think loaded into /received by computer like on/off switch
an
Output produced by the computer for other people/ the pattern represents data stored in the byte
devices(text bit stream)
image Audio , , , or
think the computer giving
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller dreamrollines. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
57413 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now