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Questions and Answers
What is the primary function of the Central Processing Unit (CPU) in a computer system?
What is the primary function of the Central Processing Unit (CPU) in a computer system?
- Display output results to the user
- Store data for future use
- Process data and execute instructions (correct)
- Input data into the system
Which of the following is NOT an example of a programming language?
Which of the following is NOT an example of a programming language?
- Visual Basic
- C++
- Java
- HTML (correct)
What is the role of software in a computer system?
What is the role of software in a computer system?
- To connect peripheral devices to the system
- To store data for processing
- To provide instructions for hardware operations (correct)
- To process data through hardware components
Which component of a computer system is responsible for interpreting programming syntax?
Which component of a computer system is responsible for interpreting programming syntax?
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In the context of a programming environment, what does the term 'syntax' refer to?
In the context of a programming environment, what does the term 'syntax' refer to?
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Study Notes
Overview of Computers and Programming
- Objectives focus on understanding computer systems, simple program logic, the program development cycle, pseudocode and flowchart creation, programming environments, user environments, and the evolution of programming models.
Understanding Computer Systems
- A computer system is a combination of components necessary for processing and storing data.
- Hardware refers to the physical equipment associated with a computer.
- Software consists of computer instructions that direct the hardware on what actions to perform.
- Programs are specific sets of instructions written by programmers.
Functions of Computer Systems
- Input: Data items are entered into the computer.
- Processing: The Central Processing Unit (CPU) processes the data.
- Output: Results are generated by the computer for users to view.
Programming Languages
- Programming languages are used to write computer instructions.
- Common programming languages include Visual Basic, C#, C++, and Java.
Syntax in Programming
- Syntax refers to the rules that dictate word usage and punctuation in programming languages.
Coding Examples
- Example code in Java:
System.out.print(“enter an integer:”); - Example code in C++:
coutis used for output, indicating how to display data to users.
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