1.4.3

High-Level Languages

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High-Level Languages

Most computer languages are written in high-level programming languages.

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High-Level Languages

  • High-level languages (HLLs) include most programming languages such as Python, C++ and Java.
  • High-level languages are made of human-readable statements that make it easier for us to program.
  • High-level languages are portable, which means that they can be run on many different types of hardware.
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What does a HLL look like?

  • Commands in a high-level language look very like English. For example:
    • print()
    • SELECT * FROM users;
Illustrative background for Why don't we always use HLLs?Illustrative background for Why don't we always use HLLs? ?? "content

Why don't we always use HLLs?

  • Computers can only process instructions in the form of binary numbers.
  • We use special software called a translator to convert our HLL source code into an executable binary file.

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1Computer Systems

1.1Data Representation

1.2Data Transmission

1.3Hardware

1.4Software

1.5The Internet & its Uses

1.6Cyber Security

1.7Automated & Emerging Technologies

2Algorithms, Programming & Logic

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