Dev1 at Walter Sisulu University For Technology And Science | Flashcards & Summaries

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TESTE DEIN WISSEN

Can integers store decimals?

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TESTE DEIN WISSEN

No

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TESTE DEIN WISSEN

Give an example of a variable

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TESTE DEIN WISSEN

integers

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TESTE DEIN WISSEN

Can string variables be substracted?


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TESTE DEIN WISSEN

No

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Information system 
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TESTE DEIN WISSEN
Set of procedures by which information can be obtained from data
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TESTE DEIN WISSEN
Name two main types of data that can be handled by a computer and distinguish between them 
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TESTE DEIN WISSEN
Numbers and characters. Numbers are decimal numbers were arithmetic operations such as add, sub, multi and division can be performed (can get new numbers) and characters data are letters of the alphabet and other special characters 
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TESTE DEIN WISSEN
Explain what ASCII codes and UNICODE are
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TESTE DEIN WISSEN
ASCII is a standard that assigns letters, numbers, and other characters in the 256 slots available in the 8-bit code in English format. An 
  1. an international encoding standard for use with different languages and scripts, by which each letter, digit, or symbol is assigned a unique numeric value that applies across different platforms and programs.
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Why are computers used more in data processing
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Due to the efficient way they work, in terms of speed, accuracy, reliability and economy
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What is a sysytem
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Is a collection of interdependent components which operate together as a whole, producing one or more results
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What are the components of a computer system 
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Hardware, software, data, personel
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What is a software system 
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A subsystem consisting of computer programs 
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What is a bus
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Device designed for the high-speed transfer of electronic signals 
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What is a computer
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Specialized tool used to produce infomation and solve problems 
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Beispielhafte Karteikarten für deinen Dev1 Kurs an der Walter Sisulu University for Technology and Science - von Kommilitonen auf StudySmarter erstellt!

Q:

Can integers store decimals?

A:

No

Q:

Give an example of a variable

A:

integers

Q:

Can string variables be substracted?


A:

No

Q:
Information system 
A:
Set of procedures by which information can be obtained from data
Q:
Name two main types of data that can be handled by a computer and distinguish between them 
A:
Numbers and characters. Numbers are decimal numbers were arithmetic operations such as add, sub, multi and division can be performed (can get new numbers) and characters data are letters of the alphabet and other special characters 
Mehr Karteikarten anzeigen
Q:
Explain what ASCII codes and UNICODE are
A:
ASCII is a standard that assigns letters, numbers, and other characters in the 256 slots available in the 8-bit code in English format. An 
  1. an international encoding standard for use with different languages and scripts, by which each letter, digit, or symbol is assigned a unique numeric value that applies across different platforms and programs.
Q:
Why are computers used more in data processing
A:
Due to the efficient way they work, in terms of speed, accuracy, reliability and economy
Q:
What is a sysytem
A:
Is a collection of interdependent components which operate together as a whole, producing one or more results
Q:
What are the components of a computer system 
A:
Hardware, software, data, personel
Q:
What is a software system 
A:
A subsystem consisting of computer programs 
Q:
What is a bus
A:
Device designed for the high-speed transfer of electronic signals 
Q:
What is a computer
A:
Specialized tool used to produce infomation and solve problems 
Dev1

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