Module 7

Question 1

What is BitTorrent?

Answer 1

A peer-to-peer protocol for sharing files over the internet.

Question 2

What is a Tracker in the Bit-torrent operation?

Answer 2

• all computers, identification.
  A machine that keeps track of all the computers that are involved in the operation. The tracker lets computers know who they can connect up to and share information with.

Question 3

What is fragmentation?

Answer 3

• break, file, multiple locations
  Is the braking up of files into multiple storage locations.

Question 4

What is inconvinient consequence of fragmentation?

Answer 4

Slower access to the file.

Question 5

What is Defragment?

Answer 5

*reformat
Reformat the data on a digital storage device so that the individual electronic files are not broken up and stored in multiple locations.

Question 6

What is the factors of a number?

Answer 6

The numbers of a multiplication.
Ex: 4x 5 = 20. 4 and 5 are factors of 20 and 20 is multiple of 4 and 5.

Question 7

What is a superscript?

Answer 7

Characters typically displayed toward the upper right of another number.
Ex: int 5 to the power 2, the symbol of the poer two would be called a superscript by being at the top right of the number five.

Question 8

How much is Gigabyte?

Answer 8

Giga = one billion.
1 Gigabyte = 2 to the thirtieth power = 1,073,741,824.
1 Gigabyte = 1024 megabyte.

Question 9

What is definition?

Answer 9

The same as resolution: how clear the image is / pixel over area.

Question 10

What resolutions the pixels are counted from bottom up on the screen?

Answer 10

144
240
360
480
720
1080

Question 11

What resolutions the pixels are counted from left to right on the screen?

Answer 11

4k and 8k.

Question 12

Which are the low resolutions?

Answer 12

144
240
360

Question 13

Which are the standard resolution?

Answer 13

Only 480

Question 14

Which are the high definition?

Answer 14

720 and 1080.

Question 15

Which are ultra hd (UHD)?

Answer 15

4k and 8k.

Question 16

What the “p” means in 1080p?

Answer 16

Progressive scanning.
Each pixel line of an image is displayed one at a time, in sequence.

Question 17

What the “i” 720i stands for?

Answer 17

Interlaced scanning.
Each odd pixel line is displayed then each even pixel line is displayed.

Question 18

What is an specification?

Answer 18

• standard
  A standarzied method of construction and operation.

Question 19

What is HDMI?

Answer 19

Hig definition multimedia interface.
A specification for equipment used in transferring high definition audio and video signals.

Question 20

What is VGA?

Answer 20

Video Graphic Array.
Connects a video source to a display device.

Question 21

Wha is DVI?

Answer 21

Digital Video Interface.
Connects a video source to a display device. Better than VGA.

Question 22

What Augment means?

Answer 22

To make something better, bigger, expanded or increased.

Question 23

What is GPS?

Answer 23

Global Positioning System.
a satellite-based system which can tell you exactly where you are in the world anywhere in the world. Can be obstructed.

Question 24

What is RSS?

Answer 24

Rich Site Summary or Really Simple Syndication.

Is a tool that allows summary of contents to automatically be sent to you so you don’t have to go to several different places to get the information you want.

RSS requires use of a specialized program called an “aggregator.”

You can then subscribe to all different kinds of information and have everything automatically clusterd together in a place.

Question 25

What is a feed?

Answer 25

Like a news feed, is a constant or intermittent flow of individual information.

Question 26

What is google reader?

Answer 26

A discontinued aggregator service.

Question 27

What is streaming?

Answer 27

Streaming is a method of sending sequencial information that is broken up into parts. The parts are used as they arrive. The data will not persist on the computer of the recceiver. It Is also understood as a service.

Question 28

What is the difference between whole numbers and integers?

Answer 28

Integers can be negative.

Question 29

What is place value?

Answer 29

The value of a digit based of its place in the numeal. Ex: 1329 has four place values. 1 is in the thousands. 3 is in the hundreds. 2 is in the tens. 9 is in the ones.

Question 30

What is default?

Answer 30

A value or actions that the computer assumes is the correct one. Usually the most common one.

Question 31

What mapping means?

Answer 31

Lay it all out in detail.

Question 32

What is BMP?

Answer 32

Bitmap. A data format for images.

Question 33

What is a flag?

Answer 33

The trigger of a condition.

Question 34

What is graphics?

Answer 34

Still o moving images displayed on a computer.

Question 35

What is source code?

Answer 35

The source that the compiler uses to create the program.

Question 36

What is open-source?

Answer 36

Source code that is an open to the public.

Question 37

What is a compiller?

Answer 37

A program that convert source code to machine language. It converts the whole source code to machine language before the program is executed. (some programs converts and execute each instruction at a time).

Question 38

What is runtime?

Answer 38

The time when the program is running. There are things that happens in runtime and compile time.

Question 39

What is runtime library?

Answer 39

Sometimes just called runtime, it is the things that are continuously executed in the background while your program is running. Thing like the operations of the OS that your program may need. I/O operations as an example.

Question 40

What is leading zero?

Answer 40

All the zeros you can add to the left of a number system without changing it. Ex: 1010 is the same amount as 00001010.

Question 41

What are the 5 characteristics that computer algorithms are composed of?

Answer 41

1. Generates a Result 2. Finite amount of time. 3. Well-ordered. 4. Effectively computable operations. (can't multiply green by red). 5. Unambiguous.

Question 42

What is the more complex definition of an algorithm?

Answer 42

A well-ordered collection of unambiguous and effectively computable operations that, when executed, produces a result and halts in a finite amount of time.

Question 43

What is a sorting algorithm?

Answer 43

Algorithms that organize data, put them in some sequence or order.

Question 44

What is algebra?

Answer 44

A type of math that uses letters and other symbols to represent numbers and amounts.

Question 45

What is a branch?

Answer 45

A instruction to be executed based on the evaluation of the conditional statement.

Question 46

What is an increment?

Answer 46

To add to a number by a set amount.

Question 47

What Initialize means?

Answer 47

Prepare something to start.

Question 48

What is an Instruction?

Answer 48

Something the computer is told to do.

Question 49

What is a loop?

Answer 49

Something that connects back to the beginning point.