Introduction to Computer Systems

What is a program made of?

• Key Words

• Programmer-Defined Identifiers

• Operators

• Punctuation

• Syntax

What are the main hardware component categories?

• Central Processing Unit (CPU)

• Main Memory

• Secondary Memory / Storage

• Input Devices

• Output Devices

What is the purpose of the Control Unit in the CPU?

• Retrieves and decodes program instructions

• Performs high-speed numeric calculations

• Coordinates activities of all other parts of computer

• Both A and C

What is the difference between volatile and non-volatile memory?

• Volatile memory retains data when power is off

• Non-volatile memory retains data when power is off

• Both types of memory are the same

• Volatile memory is faster than non-volatile memory

What is a flowchart?

• A diagram that shows the logical flow of a program

• A type of programming language

• A method for storing data

• A tool for debugging

What is the role of an Integrated Development Environment (IDE)?

• To write, compile, and debug a program

• To store data

• To manage hardware components

• To create flowcharts

What is a variable in programming?

• A named storage location in memory

• A type of programming language

• A method for inputting data

• A tool for debugging

What are the steps in the programming process?

• Define, visualize, design, code, test, validate

• Write, compile, debug, execute

• Input, process, output

• Plan, execute, review

What is the purpose of syntax in programming?

• To define the rules of grammar

• To store data

• To create variables

• To manage memory

What is machine language?

• Binary numbers executed by the computer

• A high-level programming language

• A type of flowchart

• A method for debugging