Study Flashcards

(79 cards)

1
Q

What is ARPANET?

A

Established in 1969 to allow transfer of data between various institutes of research and to answer the call of the US department of defense for a technology that would provide messaging capabilities to the government in an event of nuclear war

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2
Q

Established in 1969 to allow transfer of data between various institutes of research and to answer the call of the US department of defense for a technology that would provide messaging capabilities to the government in an event of nuclear war

A

ARPANET

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3
Q

What is mosiac?

A

Released in january 1993 and introduces hyperlinks, image tags, clickable buttons, and was affordable

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4
Q

What is Netscape?

A

Original mosaic and released in 1994 and in html2. Paved way for world wide web

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5
Q

Original mosaic and released in 1994 and in html2. Paved way for world wide web

A

Netscape

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6
Q

What is Internet explorer?

A

Released with windows 95

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7
Q

What is TCP

A

Transmission Control Protocol and divides files into packets, orders them, and forwards to IP

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8
Q

What is IP?

A

Internet Protocol and contains sender’s address and receiver’s address.

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9
Q

Internet Protocol and contains sender’s address and receiver’s address.

A

IP

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10
Q

What is FTP

A

File Transfer Protocol and allows easy ways of file transfer to a server and ways to download from said a server

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11
Q

File Transfer Protocol and allows easy ways of file transfer to a server and ways to download from said a server

A

FTP

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12
Q

What is HTTP?

A

Hypertext transfer protocol and used to fetch html documents, images, and videos

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13
Q

Hypertext transfer protocol and used to fetch html documents, images, and videos

A

HTTP

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14
Q

What is a crawler?

A

Indexes web pages and makes them available for search via indexed words

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15
Q

Indexes web pages and makes them available for search via indexed words

A

Crawler

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16
Q

What is a directory?

A

Stores files on computer in hierarchical file system in Linux, MS-DOS, OS/2, and Unix

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17
Q

Stores files on computer in hierarchical file system in Linux, MS-DOS, OS/2, and Unix

A

Directory

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18
Q

What is a subject guide?

A

List databases, encyclopedias, e-books, and web sites in a particular field

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19
Q

List databases, encyclopedias, e-books, and web sites in a particular field

A

Subject guide

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20
Q

Semantic vs presentational

A

Semantic describes an object and by what it is, presentational describes the “look” of an object, which is un-semantic

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21
Q

What is embedded CSS?

A

CSS that is in the “” tag

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22
Q

CSS that is in the “” tag

A

Embedded CSS

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23
Q

What is external CSS?

A

CSS that is linked via “” tag inside “” tag, and is on separate file

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24
Q

CSS that is linked via “” tag inside “” tag, and is on separate file

A

External CSS

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25
What is inline CSS?
CSS that is inside an element
26
CSS that is inside an element
Inline CSS
27
Absolute vs relative units CSS
Absolute units are fixed and the size is exact on any screen. Relative units are sized relative to another length property.
28
CSS link styles
a: link is a normal unvisited link a: visited is a link the user has visited a: hover is a link the mouse is on a: active is a link the moment it’s clicked
29
Hexadecimal color specifiers
#RRGGBB where r is red, g is green, and b is blue
30
#RRGGBB where r is red, g is green, and b is blue
Hexadecimal color specifiers
31
What is em and how does it work?
sized relative to parent size (usually 16px) and allows for text zooming too
32
sized relative to parent size (usually 16px) and allows for text zooming too
em
33
pwd command
Finds what directory you’re in
34
Finds what directory you’re in
pwd command
35
Level up command
..
36
..
Level up command
37
Get to desired location command
cd
38
cd
Get to desired location command
39
List command
ls -1 for list of files and permissions
40
ls -1 for list of files and permissions
List command
41
touch command
Creates new file
42
New file command
touch
43
Change permissions command
chmod 755 (file name)
44
chmod 755 (file name)
Change permissions command
45
Permission numbers
4 for read 2 for write 1 for execute 0 for none
46
4 for read 2 for write 1 for execute 0 for none
Permission numbers
47
mkdir (file name)
Makes new directory
48
Makes new directory
mkdir (file name)
49
User, group, and others symbols
rwx-xr-x
50
rwx-xr-x
User, group, and others symbols
51
Symbols for adding permissions
“a” is all, “u” is user, “g” is group, “o” is others
52
“a” is all, “u” is user, “g” is group, “o” is others
Symbols for adding permissions
53
Adding permissions to a user
chmod u+x (file name) chmod u-x (file name) chmod u=x (file name)
54
chmod u+x (file name) chmod u-x (file name) chmod u=x (file name)
Adding permissions to a use
55
rmdir (file name)
Removes a directory
56
Removes a directory
rmdir (file name)
57
mkdir -p a/b/c
Makes multiple directories with -p can also be removed this way
58
Makes multiple directories with -p can also be removed this way
mkdir -p a/b/c
59
List types
``` “-a” shows all files “-l” shows files and permissions “-d” shows directory info “-h” is human readable mode “-s” prints file sizes “-S” sorts by size “-t” sorts by time ```
60
``` “-a” shows all files “-l” shows files and permissions “-d” shows directory info “-h” is human readable mode “-s” prints file sizes “-S” sorts by size “-t” sorts by time ```
List types
61
man ls
Shows all types
62
Shows all types
man ls
63
mv
Renames file if it doesn’t exist, or moves if it does
64
Renames file if it doesn’t exist, or moves if it does
mv
65
cp
Copies file to specified file
66
Copies file to specified file
cp
67
cp -r
Copies directory to specified directory
68
Copies directory to specified directory
cp -r
69
rm
Removes files
70
Removes files
rm
71
rm -r
Removes directory and it’s contents and anything under that
72
Removes directory and it’s contents and anything under that
rm -r
73
cat
Concatenates two files
74
Concatenates two files
cat
75
First character of a file is
File type
76
File type is represented by
First character of file
77
File types
“-“ is regular file. “d” is directory, “l” is symbolic link
78
CRAP
Contrast, Repetition, Alignment, and Proximity
79
Contrast, Repetition, Alignment, and Proximity
CRAP