Computer Basics: Output and Input Devices

Play an AI-generated podcast conversation about this lesson

What is the primary function of output devices in a computer system?

To process data and perform calculations

To input data and instructions

To store data and programs

To display or present the results of processed data (correct)

What is the key difference between data and information?

Data is raw, while information is processed and meaningful (correct)

Data is used for calculations, while information is used for display

Data is processed, while information is raw

Data is stored, while information is transmitted

What is the primary function of a transistor in a digital circuit?

To represent binary values as electronic switches (correct)

To perform calculations

To store binary values

To display output

What does the 'off' state of a transistor represent in a digital circuit?

A binary value of 0 Signup and view all the answers

What is an example of data, according to the text?

A sequence of numbers without context Signup and view all the answers

What is the result of processing data in a computing system?

The data becomes more meaningful and is considered information Signup and view all the answers

What is the equivalent of 1 GB in MB?

1,024 MB Signup and view all the answers

What is the fundamental number system used by computers?

Binary (base-2) Signup and view all the answers

Why is the hexadecimal system widely used in computing?

It is more concise and easier to convert to and from binary Signup and view all the answers

What is represented by the letter 'A' in the hexadecimal system?

10 Signup and view all the answers

What is the difference between a '500GB' hard drive and a 500GiB hard drive?

The number of bytes of storage provided Signup and view all the answers

What is the base of the decimal system used in human-computer interfaces?

10 Signup and view all the answers

What is the primary function of encoding systems in computers?

To provide a standardized way to map characters to numbers Signup and view all the answers

What is the main difference between ASCII and Unicode encoding standards?

ASCII can represent 128 characters, while Unicode can represent a wider range of characters Signup and view all the answers

What is the range of values for each color component in the RGB model in decimal notation?

0 to 255 Signup and view all the answers

What type of computers are used for complex, high-end computations?

Supercomputers Signup and view all the answers

What is the purpose of mainframe computers?

To handle large amounts of data and support multiple users Signup and view all the answers

What is the prefix symbol used in hexadecimal representation of RGB colors?

<h1></h1> Signup and view all the answers

How many characters can ASCII encoding standard represent?

128 Signup and view all the answers

What is the purpose of encoding tables in computers?

To represent and manipulate textual information Signup and view all the answers

How many hexadecimal digits are used to represent each color component in the RGB model?

2 Signup and view all the answers

What is the characteristic of UTF-16 encoding?

It uses either one or two 16-bit code units per character Signup and view all the answers

What is the hexadecimal representation of the color white in the RGB model?

#FFFFFF Signup and view all the answers

What is the process of converting RGB colors to hexadecimal notation?

Converting each component to a 2-digit hexadecimal number and then concatenating Signup and view all the answers

What is the primary purpose of a server in a network?

To serve data to other computers on the network Signup and view all the answers

Which type of computer is designed for tasks requiring better graphics or computational power?

Workstations Signup and view all the answers

What is the main difference between a laptop and a netbook?

Size and portability Signup and view all the answers

Which of the following is an example of a transaction processing system?

Airline reservations Signup and view all the answers

What is the primary purpose of a desktop computer?

To serve as a general-purpose computer for individual users Signup and view all the answers