Comp 101 Flashcards

1
Q

How many numbers are in an IP address?

A

4 numbers separated by a dot (.)

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2
Q

What can the individual numbers in an IP address range to?

A

0-255

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3
Q

What does the IP in IP address stand for?

A

Internet Protocol

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4
Q

How many bytes in an IPv4 address?

A

32 bytes

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5
Q

How many bytes in an IPv6 address?

A

128 bytes

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6
Q

How many bits in 8 bytes?

A

64 bits

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7
Q

What is a computer that provides a service or has something to share over the internet?

A

server

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8
Q

What is a computer that consumes a service over the internet

A

client

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9
Q

What does WAN stand for?

A

Wide Area Network

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10
Q

What does LAN stand for

A

Local Area Network

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11
Q

What kind of network is the internet

A

WAN

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12
Q

What Does DNS stand for and what does it do?

A

Domain Name Service. Translates numbers to names.

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13
Q

What is batch processing?

A

When a computer only works on one task at a time

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14
Q

When a computer is shared between multiple users what is it called?

A

Timesharing - using one computers processing power and sharing it with others

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15
Q

Who funded the ARPAnet?

A

DARPA - Defense Advanced Research Project Agency

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16
Q

What is the purpose of the ARPAnet?

A

To create a large network of computers to accelerate knowledge transfer and reduce the redundant re-researching of subjects by making everything available online.

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17
Q

What does IMP stand for?

A

Interface Message Processor - Acted as a gateway and interface to the mainframe, It controlled network activities to allow the processing of program and data files

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18
Q

What Does HTTP stand for and what does it do?

A

HyperText transfer protocol

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19
Q

What is a host name?

A

A host name is a IP address converted into words so humans can memorize it easier. It is done by the DNS

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20
Q

What does URL stand for and what does it do?

A

Uniform Resource Locator - Is a pathway for websites to be found

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21
Q

What does HTTP stand for and what does it do?

A

Hyper Text Transfer Protocol - Method of sending files between computers through a network

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22
Q

What does FTP stand for and what does it do?

A

File transfer protocol - transfers files securely between computers on a network by asking the user to login

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23
Q

what does RAM stand for and what does it do?

A

Random access memory - Temporary memory used for running programs

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24
Q

What does the HTML code rowspan do?

A

makes the cell vertically taller

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25
Q

What does the HTML code colspan do?

A

makes the cell horizontally wider

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26
Q

How do you make an un ordered list in HTML? How about an ordered list?

A

<ol> </ol>

ordered list

<ul> </ul>

27
Q

How do you insert an image in html?

A

<img></img>

28
Q

What does putting a search term in “quotations” do?

A

It makes it so that any phrase in quotations will be searched as a phrase instead of individual words

29
Q

What is a computer network?

A

2 or more computers connected together for the purpose of sharing resources and communicating

30
Q

What does MAN stand for and what is its purpose?

A

Metropolitan Area Network - connects computer resources in a local geographical area

31
Q

What is a web server

A

When you click a link you enter a relationship with the web server

32
Q

give an example of server software

A

Apache

33
Q

give an example of client software

A

Web browser, FTP program

34
Q

What does TCP stand for and what does it do?

A

Transmition control protocol - defines how message are broken down and re assembled

35
Q

What does IP stand for and what does it do?

A

Internet Protocol - Defines Where the (which address) the packets are sent to

36
Q

What does a not gate do?

A

reverses input

37
Q

Is the NOT gate unary?

A

Yes, because it only accepts one input

38
Q

What does the AND gate do?

A

Takes 2 inputs and one output. The output will be true only if BOTH the inputs are true. ex 0/1 = 0, 1/1 = 1

39
Q

What does a OR gate do?

A

takes 2 inputs and provides one output. The output is true if ANY one of the inputs is true. ex. 0/1 = 1, 0/0 = 0, 1/1 = 1

40
Q

Name the following gates:
|>
>)
D

A
|> = NOT
>) = OR
D = AND
41
Q

build a half adder

A

0-|=>)———–|
| |=D———1
1-|=D—|—|>—|
|______________0

42
Q

what is the IF function in Excel?

A

The IF function performs a logical test and and delivers an output if true and an output if not true

43
Q

what is the format for the IF function?

A

=IF(Logical_test,Value_If_True,Value_If_False)

44
Q

What does the Vlookup function in Excel do?

A

Vlookup searches for a value in a selected grid, if it finds the value it returns a selected value

45
Q

What is the format for the Vlookup Function?

A

=Vlookup(Lookup_Value,Table_Array,Return_Value,Range)

46
Q

In excel, how would you count all the values in a column greater than 5?

A

=CountIF(A1:A3,”>5”)

47
Q

In HTML what does the <p> </p> tags indicate?

A

the start and end of a paragraph

48
Q

What does <strong> </strong> tags indicate?

A

Tags will make the text in between bold.

49
Q

What do <em> </em> tags indicate?

A

text in between tags is in Italics

50
Q

what does the <hr> tag do?

A

The tag produces a line from left to right across the page

51
Q

what do <ol> </ol> tags do?

A

tags produce an ordered list

52
Q

what do <ul> </ul> tags do?

A

tags produce an un-ordered list

53
Q

what do <li> </li> tags do?

A

tags are the items in a list.

54
Q

how do you put a link in a web page? use google.ca as an example

A

<a> Google </a>

55
Q

How do you put an image in a web page? use an image called pic.jpg and assume that it is accesible to the website. Change name for the picture that the web user will see.

A

<img></img>

56
Q

How would you change the body of a webpage’s background colour?

A
57
Q

How would you change the font color on a webpage?

A
58
Q

what does the <h1> </h1> tag do?

A

This tag creates a heading. the heading is bigger or smaller depending on the the number following the H. The smaller the number the bigger the heading.

59
Q

how would you make all <h2> tags have red font?

A

h2 {color : red}

60
Q

In Alice what does the properties tab do?

A

The properties tab lets you change the physical features of an object, make it opaque

61
Q

converting numbers from binary to regular what should you make, hmm Christopher?

A

a power chart of 2 so i dont make mistakes

62
Q

When using VLOOKUP, for the column return section, how would you input to the get the value from the column one over? what about 3 over?

A

1 would return the cell in the column next to the desired cell and 3 would return the cell 3 columns over from the desired cell

63
Q

How does CountIf work?

A

has the format COUNTIF(range, criteria)

COUNTIF counts the number of cells that satisfy the criteria

64
Q

What is an XOR Gate? What is its truth table?

A
An XOR gate is only true if the only ONE of the inputs is true
0 0 = 0
1 0 = 1
0 1 = 1
1 1 = 0