Presentation is loading. Please wait.

Presentation is loading. Please wait.

Unit 2- Lesson 1 & 2- Bytes and File Sizes / Text Compression

Published byBerenice Pope Modified over 6 years ago

Similar presentations

Presentation on theme: "Unit 2- Lesson 1 & 2- Bytes and File Sizes / Text Compression"— Presentation transcript:

1 Unit 2- Lesson 1 & 2- Bytes and File Sizes / Text Compression
Day 15

2 Bytes and File Sizes

3 Bytes and File Sizes Video- Computer Skills Course: Bits, Bytes, Kilobytes, Megabytes, Gigabytes, Terabytes

4 Bytes and File Sizes Lesson 1 Activity- Bytes and File Sizes

5 Text Compression Lesson 2- Text Compression Heuristic
Lossy Compression Lossless Compression Activity- Text Compression

6 Text Compression Lesson- 2 Video- Text Compression Widget
Practice Compressing Text

7 Finished Journal Next Tuesday not Friday Sub Next Tuesday (Video?)
Friday- Encoding Images

Download ppt "Unit 2- Lesson 1 & 2- Bytes and File Sizes / Text Compression"

Similar presentations

Chapter 4: Representation of data in computer systems

Chapter 4: Representation of data in computer systems
Base 10 Denary Decimal 1 2 3 4 5 6 7 8 9 10 11...

Base 10 Denary Decimal
Reducing File Sizes. File Formats In this lesson, we will be looking at: How do we measure file size? Why are some files bigger than others? Why should.

Reducing File Sizes. File Formats In this lesson, we will be looking at: How do we measure file size? Why are some files bigger than others? Why should.
Micro optics: Fibers and Butterflies. Total internal reflection.

Micro optics: Fibers and Butterflies. Total internal reflection.
Bit Depth Bit is on or off, 1 or 0 Byte is a string of 8 bits Kilobyte is 1,024 bytes (over 8000 1’s and 0’s) Megabyte is 1024 kilobytes Gigabyte is 1024.

Bit Depth Bit is on or off, 1 or 0 Byte is a string of 8 bits Kilobyte is 1,024 bytes (over ’s and 0’s) Megabyte is 1024 kilobytes Gigabyte is 1024.
Information loss in compression Skills: none IT concepts: lossy and lossless compression This work is licensed under a Creative Commons Attribution-Noncommercial-

Information loss in compression Skills: none IT concepts: lossy and lossless compression This work is licensed under a Creative Commons Attribution-Noncommercial-
Data Representation CS105. Data Representation Types of data: – Numbers – Text – Audio – Images & Graphics – Video.

Data Representation CS105. Data Representation Types of data: – Numbers – Text – Audio – Images & Graphics – Video.
Binary Aim: Explain binary and binary units Objective 1: Convert positive denary whole numbers (0-255) into 8-bit binary numbers and vice versa Objective.

Binary Aim: Explain binary and binary units Objective 1: Convert positive denary whole numbers (0-255) into 8-bit binary numbers and vice versa Objective.
Bits, Bytes, KiloBytes, MegaBytes, GigaBytes & TeraBytes.

Bits, Bytes, KiloBytes, MegaBytes, GigaBytes & TeraBytes.
Communications Technology 2104 Mercedes Lahey. Bit 1. bit=From a shortening of the words “binary digit” 2. the basic unit of information for computers.

Communications Technology 2104 Mercedes Lahey. Bit 1. bit=From a shortening of the words “binary digit” 2. the basic unit of information for computers.
 A bit is the smallest piece of information a computer can record.  It means that an electrical signal is on (1) or off (0).  A byte is 8 bits and.

 A bit is the smallest piece of information a computer can record.  It means that an electrical signal is on (1) or off (0).  A byte is 8 bits and.
Communications technology Ali Kennedy.  Bit= from a shortening of the words “ bi nary digit”  The basic unit ofinformation for computers  1 or 0 are.

Communications technology Ali Kennedy.  Bit= from a shortening of the words “ bi nary digit”  The basic unit ofinformation for computers  1 or 0 are.
File Formats COM 366 Web Design & Layout. Native file format –Format native to software program –.psd > PhotoShop default Preserves layers –Use “Save.

File Formats COM 366 Web Design & Layout. Native file format –Format native to software program –.psd > PhotoShop default Preserves layers –Use “Save.
Data and Program Representation

Data and Program Representation
Hardware Peripheral Mouse Display Keyboard CPU Disk Drive Floppy Disk Hard Disk Software Word Processing Information Icon User Friendly Bit Byte Kilobyte.

Hardware Peripheral Mouse Display Keyboard CPU Disk Drive Floppy Disk Hard Disk Software Word Processing Information Icon User Friendly Bit Byte Kilobyte.
Data Representation and Storage Lecture 5. Representations A number value can be represented in many ways: 5 Five V IIIII Cinq Hold up my hand.

Data Representation and Storage Lecture 5. Representations A number value can be represented in many ways: 5 Five V IIIII Cinq Hold up my hand.
FILE FORMATS & BITS AND BYTES VOCABULARY QUIZ PER-1 ALEX YUAN, SARAH GU, YANBING WANG, HYERIN YOON.

FILE FORMATS & BITS AND BYTES VOCABULARY QUIZ PER-1 ALEX YUAN, SARAH GU, YANBING WANG, HYERIN YOON.
Journal Entry: Unit #5 Entry #3 Define the following words from ch2 in your journals: Binary, bit, discrete, unambiguous signals, digital, analog signal,

Journal Entry: Unit #5 Entry #3 Define the following words from ch2 in your journals: Binary, bit, discrete, unambiguous signals, digital, analog signal,
 Computers store all information digitally as 0s and 1s; we refer to this collectively as “data.”  We’re used to dealing with physical objects in reality,

 Computers store all information digitally as 0s and 1s; we refer to this collectively as “data.”  We’re used to dealing with physical objects in reality,
1 3 Computing System Fundamentals 3.2 Computer Architecture.

1 3 Computing System Fundamentals 3.2 Computer Architecture.

Similar presentations

Ads by Google