Class notes: Computer Science

1.
Computational
Thinking—A
method
of
problem-solving
that
helps
computer
scientists
prepare
problems
for
digital
solutions
2.
Abstraction—Removing
details
from
a
solution
so
that
it
can
work
for
many
problems
3.
Algorithm—A
list
of
steps
that
allow
you
to
complete
a
task
4.
Decompose:
To
break
down
a
problem
into
smaller
units,
into
smaller
easier
ones.
5.
Pattern—A
theme
that
is
repeated
many
times
6.
Simulation:
A
model
where
different
situations
can
be
tried.
7.
Program—Instructions
that
can
be
understood
and
followed
by
a
machine
8.
Hypothesis
An
idea
that
a
scientist
is
trying
to
prove
or
disprove.
Informed
decision.
9.
HTML:
Hypertext
markup
language:
Is
the
language
used
to
create
web
pages.
"Hypertext"
refers
to
the
hyperlinks
that
an
HTML
page
may
contain.
"Markup
language"
refers
to
the
way
tags
are
used
to
define
the
page
layout
and
elements
within
the
page.
10.
HTTP:
Stands
for
"Hypertext
Transfer
Protocol."
HTTP
is
the
protocol
used
to
transfer
data
over
the
web.
It
is
part
of
the
Internet
protocol
suite
and
defines
commands
and
services
used
for
transmitting
web
page
data.
11.
Default:
Setting
the
computer
chooses
if
you
do
not
choose
another
one
12.
Monitor:
A
device
or
person
who
is
watching
something.
13.
Logo:
A
symbol
that
is
used
to
identify
a
company
or
brand
14.
Banner:
An
advertisement
or
graphic
that
is
across
the
top
of
a
page
on
the
Internet.
15.
Web
Programming:
Web
programming
refers
to
the
writing,
markup,
and
coding
involved
in
Web
development,
which
includes
Web
content,
Web
client
and
server
scripting,
and
network
security .
The
one
the
class
will
be
using
is
HTML
and
CSS.
(tech)
16.
CSS:
is
the
acronym
of
“Cascading
Style
Sheets”.
CSS
is
a
computer
language
for
laying
out
and
structuring
web
pages
(HTML
or
XML).
This
language
contains
coding
elements
and
is
composed
of
these
“cascading
style
sheets”
which
are
equally
called
CSS
files. 17.HTML
tag:
is
commonly
defined
as
a
set
of
characters
constituting
a
formatted
command
for
a
Web
page.
At
the
core
of
HTML,
tags
provide
the
directions
or
recipes
for
the
visual
content
that
one
sees
on
the
Web.
18.
Phenomena:
Something
that
can
be
seen
and
studied
and
that
is
unusual
or
difficult
to
explain.
19.
Visual:
Something
you
can
look
at.
20.
Command:
Instruction
you
give
to
someone
or
something
to
carry
out.
21.
Variable:
Something
that
can
be
changed.
22.
Parameter:
A
rule
that
tells
how
something
should
be
done.
23.
Pixel:
The
very
small
dots
that
together
form
the
picture
on
a
computer
monitor
24.
Resolution:
the
ability
of
a
device
to
show
an
picture
clearly
and
with
a
lot
of
detail
25.
Bit:
A
single
unit
of
computer
information
that
is
represented
as
either
1
or
0
26.Binary:A
method
of
calculating
and
of
representing
information
especially
in
computers
by
using
the
numbers
0
and
1
27.
Byte:
A
unit
of
computer
information
that
is
equal
to
eight
bits
28.
Hexadecimal:Is
a
base
16
number
system(we
use
base
10)
29.
Browse:
To
use
a
special
program
(called
a
browser)
to
find
and
look
at
information
on
the
Internet.
30.
Internet:
a
system
that
connects
computers
throughout
the
world.
The
internet
is
a
global
wide
area
network
that
connects
computer
systems
across
the
world.
It
includes
several
high-bandwidth
data
lines
that
comprise
the
Internet
"backbone."
These
lines
are
connected
to
major
Internet
hubs
that
distribute
data
to
other
locations,
such
as
web
servers
and
ISPs.
31.
Server:
The
main
computer
in
a
network
which
provides
files
and
services
that
are
used
by
the
other
computers.