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Introduction to Computers and Programs: Chapter 1

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Introduction to Computers and Programs: Chapter 1

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Questions and Answers

What is the main function of the Central Processing Unit (CPU) in a computer?

Storing data permanently

Inputting data into the computer

Displaying output from the computer

Running computer programs (correct)

Which component of a computer is known as volatile memory?

Input and output devices

Random Access Memory (RAM) (correct)

Central Processing Unit (CPU)

Secondary storage devices

What is the role of a software developer in relation to computers?

Developing input and output devices

Manufacturing computer hardware components

Designing, creating, and testing computer programs (correct)

Maintaining the physical devices that make up a computer

What are the physical devices that make up a computer collectively known as?

Hardware Signup and view all the answers

What is the function of system software in a computer?

Manage and control basic operations of a computer Signup and view all the answers

How many bits are there in a byte?

8 Signup and view all the answers

What is the purpose of the Unicode coding scheme?

It is becoming the standard for representing characters in other languages Signup and view all the answers

How are larger numbers stored in a computer?

By using a binary numbering system Signup and view all the answers

What encoding scheme is used to represent negative numbers in computers?

Two's complement Signup and view all the answers

How are digital images stored in computers?

Converted to binary numbers representing pixel colors Signup and view all the answers

What does the CPU do during the 'decode' stage of program execution?

Decodes fetched instruction to determine which operation to perform Signup and view all the answers

What is the main function of the CPU during program execution cycle?

Executing the operation based on decoded instruction Signup and view all the answers