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Computer architecture is about what inside the system whit of is happening the computer. ALU- Carries out all calculations and logical operations Registers - Memory close to the processor for foot access • Stores data tempeorarily. Arithmetic Logic Unit (ALU) Control Unit The Three types of peripheral: •Input -Output озгогаде switch off. Control Unit - Sends Signals : Rom (Read Only memory) - • To store data change •The user cannot •Still there when off. • Bring data back · Carry out instruction 3 Computer Architeture Registers Address Bus Data Guş RAM (Random Access Memory)- •Where an application is while you are using Goes back to when you empty I you switch Addresses These are called memory location). • Each has to have a unique address. it. the processor. Data Bus Carries data to location a memory •Carries data to Main Memory Address Bus - Holds the Memory Addram Unique memory location that is to be read from or written to. Convert Binary to Venary 501-185 0000 114 1100-28 Convert Denary to Binary 114-01110010 75-01001011 90-01011010 How a real number is represented computer 1.234.56 as scientific notation is? 0-123456 x 10" Text is stored using a code called ASCII This is called Floating Point Representation using a mantissa Each character 8 bits (1 byte) 1538629 314 Because we need the decimal point to be at the start of the digits. It needed to move 4 places to the left. The number part (123456) is called the mantissa. This is referred to main part of the number. The power part (4) is called the as the exponent. Real Number Scientific Notation 158.862 0.158962×10³ 3.14 0.314 × 10¹ There are 256 characters represented. 1 requires Exponent Data Representation Characters can be letters, numbers, symbols and punctuation. Number of Characters (including of Spaces and Full Name punctuation Number of Bytes Number of Bit3 Example Questions to represent? Text Gemma maletchie How many Bytes are required to is a school day? 25 15 15 120 What is...
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Alternative transcript:
ASCII usea How much storage does one character need? I Byte or 8 Bits How many characters can What is different about storing uppercase I and +? The binary numbers are different. T: 01010100 t=01110100 15x8 8-bit ASCII represent ? 256 lowercas store the phrase. Every day A bit mapped graphic is image that is made up of picture elements (pixels). Each pixel is a an tiny Square on the screen. Each pixel is assigned a colour to form the image. This is stored in 2-D array. a A vector is stored graphic as a description of each. object and its attributes.. Media Types rectangle O ellipse • Object's fill colour • Object's line Line List the attributes of a Object's co-ordinates Colour polygon vefor: A firewall is: - A that will prevent program unauthorised access to your computer system, by restricting the packats of data that are allowed through. Hackers: Will be denied access to files and programs your Computer system Encryption is: • Used to scramble information. so that it can be sent without eloe anyone able to read it. When data to: safely being About to be sent Over the interenet it is encrypted before it is sent. Sercurity Environmental At its destination. • It can be decrypted using Cipher key only those people with the cipher bey read it. Can How to reduce the impact of energy voe of computers; Adjust power down settings. • Automatically turn off hard drive after per period of inactivity 2. Adjust monitor the settings •Reduce backlighting Activate standby settingo your moniton ness and brightnes youn Adjust the power settings. your computer on • Activate sleep/stand by settings Understand the need for translation: When we write programs they are in a high level language- Python, Scratch These are in an English-like language so humans can read them easily These need to be translated into machine code so that the processor can understand them. Within the processor, a Computer uses machine code This is called a low flever language It consists of instructions. in a binary form- it is all is and Os • This is very difficult for a human to read. Translators Interpreter: Shows where erfors are one time Excutes if eiror free. at a Used in early stages of development to make error easier tracing Excutes as each line slowly has to be translated every time it is used Neets original programming environment present Compiler: Shows multiple erior messages at the same time. Executes if error free to make error Used in later stages of development error tracing difficult Excutes quickly because no is needed Does not need original programming environment present! translation
Includes translators, sercurity and environmental precautions, media types, data representation and computer architecture
Gemma
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Includes translators, sercurity and environmental precautions, media types, data representation and computer architecture
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Computer architecture is about what inside the system whit of is happening the computer. ALU- Carries out all calculations and logical operations Registers - Memory close to the processor for foot access • Stores data tempeorarily. Arithmetic Logic Unit (ALU) Control Unit The Three types of peripheral: •Input -Output озгогаде switch off. Control Unit - Sends Signals : Rom (Read Only memory) - • To store data change •The user cannot •Still there when off. • Bring data back · Carry out instruction 3 Computer Architeture Registers Address Bus Data Guş RAM (Random Access Memory)- •Where an application is while you are using Goes back to when you empty I you switch Addresses These are called memory location). • Each has to have a unique address. it. the processor. Data Bus Carries data to location a memory •Carries data to Main Memory Address Bus - Holds the Memory Addram Unique memory location that is to be read from or written to. Convert Binary to Venary 501-185 0000 114 1100-28 Convert Denary to Binary 114-01110010 75-01001011 90-01011010 How a real number is represented computer 1.234.56 as scientific notation is? 0-123456 x 10" Text is stored using a code called ASCII This is called Floating Point Representation using a mantissa Each character 8 bits (1 byte) 1538629 314 Because we need the decimal point to be at the start of the digits. It needed to move 4 places to the left. The number part (123456) is called the mantissa. This is referred to main part of the number. The power part (4) is called the as the exponent. Real Number Scientific Notation 158.862 0.158962×10³ 3.14 0.314 × 10¹ There are 256 characters represented. 1 requires Exponent Data Representation Characters can be letters, numbers, symbols and punctuation. Number of Characters (including of Spaces and Full Name punctuation Number of Bytes Number of Bit3 Example Questions to represent? Text Gemma maletchie How many Bytes are required to is a school day? 25 15 15 120 What is...
Computer architecture is about what inside the system whit of is happening the computer. ALU- Carries out all calculations and logical operations Registers - Memory close to the processor for foot access • Stores data tempeorarily. Arithmetic Logic Unit (ALU) Control Unit The Three types of peripheral: •Input -Output озгогаде switch off. Control Unit - Sends Signals : Rom (Read Only memory) - • To store data change •The user cannot •Still there when off. • Bring data back · Carry out instruction 3 Computer Architeture Registers Address Bus Data Guş RAM (Random Access Memory)- •Where an application is while you are using Goes back to when you empty I you switch Addresses These are called memory location). • Each has to have a unique address. it. the processor. Data Bus Carries data to location a memory •Carries data to Main Memory Address Bus - Holds the Memory Addram Unique memory location that is to be read from or written to. Convert Binary to Venary 501-185 0000 114 1100-28 Convert Denary to Binary 114-01110010 75-01001011 90-01011010 How a real number is represented computer 1.234.56 as scientific notation is? 0-123456 x 10" Text is stored using a code called ASCII This is called Floating Point Representation using a mantissa Each character 8 bits (1 byte) 1538629 314 Because we need the decimal point to be at the start of the digits. It needed to move 4 places to the left. The number part (123456) is called the mantissa. This is referred to main part of the number. The power part (4) is called the as the exponent. Real Number Scientific Notation 158.862 0.158962×10³ 3.14 0.314 × 10¹ There are 256 characters represented. 1 requires Exponent Data Representation Characters can be letters, numbers, symbols and punctuation. Number of Characters (including of Spaces and Full Name punctuation Number of Bytes Number of Bit3 Example Questions to represent? Text Gemma maletchie How many Bytes are required to is a school day? 25 15 15 120 What is...
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Knowunity is the # 1 ranked education app in five European countries
Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.
Still not sure? Look at what your fellow peers are saying...
iOS User
I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D
Stefan S, iOS User
The application is very simple and well designed. So far I have found what I was looking for :D
SuSSan, iOS User
Love this App ❤️, I use it basically all the time whenever I'm studying
Alternative transcript:
ASCII usea How much storage does one character need? I Byte or 8 Bits How many characters can What is different about storing uppercase I and +? The binary numbers are different. T: 01010100 t=01110100 15x8 8-bit ASCII represent ? 256 lowercas store the phrase. Every day A bit mapped graphic is image that is made up of picture elements (pixels). Each pixel is a an tiny Square on the screen. Each pixel is assigned a colour to form the image. This is stored in 2-D array. a A vector is stored graphic as a description of each. object and its attributes.. Media Types rectangle O ellipse • Object's fill colour • Object's line Line List the attributes of a Object's co-ordinates Colour polygon vefor: A firewall is: - A that will prevent program unauthorised access to your computer system, by restricting the packats of data that are allowed through. Hackers: Will be denied access to files and programs your Computer system Encryption is: • Used to scramble information. so that it can be sent without eloe anyone able to read it. When data to: safely being About to be sent Over the interenet it is encrypted before it is sent. Sercurity Environmental At its destination. • It can be decrypted using Cipher key only those people with the cipher bey read it. Can How to reduce the impact of energy voe of computers; Adjust power down settings. • Automatically turn off hard drive after per period of inactivity 2. Adjust monitor the settings •Reduce backlighting Activate standby settingo your moniton ness and brightnes youn Adjust the power settings. your computer on • Activate sleep/stand by settings Understand the need for translation: When we write programs they are in a high level language- Python, Scratch These are in an English-like language so humans can read them easily These need to be translated into machine code so that the processor can understand them. Within the processor, a Computer uses machine code This is called a low flever language It consists of instructions. in a binary form- it is all is and Os • This is very difficult for a human to read. Translators Interpreter: Shows where erfors are one time Excutes if eiror free. at a Used in early stages of development to make error easier tracing Excutes as each line slowly has to be translated every time it is used Neets original programming environment present Compiler: Shows multiple erior messages at the same time. Executes if error free to make error Used in later stages of development error tracing difficult Excutes quickly because no is needed Does not need original programming environment present! translation