CSS 11: Computer Operations Review

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Questions and Answers

What is considered the main part of a microcomputer?

Primary Storage

System Unit (correct)

Central Processing Unit (CPU)

Motherboard

Which of the following components acts as the 'brain' of a computer system?

Motherboard

System Unit

Primary Storage

Central Processing Unit (CPU) (correct)

What is the primary function of an input device?

To manage system operations

To display information

To store information

To get data into a device (correct)

Which storage type is referred to as the working storage space for a computer?

Primary Storage Signup and view all the answers

Which component is responsible for holding data, instructions, and processed information?

Primary Storage Signup and view all the answers

What is a motherboard's primary role in a computer system?

To connect various components Signup and view all the answers

Why are tablets and smartphones included in the types of computers?

They can perform computer functions. Signup and view all the answers

Which of the following is not categorized as computer hardware?

Software applications Signup and view all the answers

What type of memory is characterized as non-volatile and retains data even when the power is off?

ROM Signup and view all the answers

What is the primary function of a scanner in a computer system?

To transfer images or text into a digital format Signup and view all the answers

What happens to the contents of RAM when the power is turned off?

The contents are lost. Signup and view all the answers

What is the primary function of an expansion bus in a computer?

To act as a data pathway between hardware components. Signup and view all the answers

Which device is primarily used for video and still image capture?

Web Camera Signup and view all the answers

What is the role of a printer in a computer system?

To convert digital images into printed hard copies Signup and view all the answers

What is the role of adapters in a computer?

To enable compatibility with peripheral devices lacking connections. Signup and view all the answers

What type of device is a touchpad or trackpad considered?

Input device Signup and view all the answers

Which component is responsible for converting standard house power into DC voltages for PC components?

Power Supply Unit (PSU) Signup and view all the answers

Which output device translates data into sound?

Speaker Signup and view all the answers

What purpose do ports serve on a computer?

To provide a connection point for external devices. Signup and view all the answers

What does a monitor do in a computer system?

Displays data onto a screen for user interaction Signup and view all the answers

What is typically a feature of input devices?

They send data to a computer. Signup and view all the answers

What is the main purpose of a microphone in a computer setup?

To record voice messages or navigate software Signup and view all the answers

What layout do most English language keyboards typically use for alphabetic keys?

QWERTY Signup and view all the answers

Which device is designed specifically to project computer images onto a wall or screen?

Projector Signup and view all the answers

Study Notes

Types of Computers

Computers include desktops, laptops, tablets, and smartphones, each classified based on their use and capabilities.

Input and Output Devices

Input Device: Hardware used to enter data into a computer (e.g., keyboard, mouse).
Output Device: Hardware that retrieves data from a computer and converts it into a usable form (e.g., monitor, printer).

Computer Hardware

Hardware refers to the physical components of a computer system.

Major Hardware Components

System Unit: The primary component of a computer housing the motherboard, CPU, memory, and expansion cards.
Motherboard: The principal circuit board containing all essential circuits and components needed for operation.
Central Processing Unit (CPU): The core component responsible for executing instructions and managing data flow.

Storage Types

Primary Storage: Working storage space for temporary data (e.g., RAM chips).
Read Only Memory (ROM): Non-volatile memory that retains data even without power.
Random Access Memory (RAM): Volatile memory that loses all stored data when power is off.

Data Pathways

Expansion Bus: Connects various hardware components, allowing data transfer between CPU and peripheral hardware devices.

Adapters

Also called interface cards, they enable connection to peripherals and may allow hardware upgrades.

Power Supply Unit (PSU)

Converts house power (230vac) into direct current (DC) voltage for internal computer components.

Ports

External connectors on a computer allowing users to connect peripherals like monitors and printers.

Cables and Wires

Assemblies of two or more wires, often twisted or bound together for data transmission.

Input Devices Examples

Keyboard: QWERTY layout for alphabetic, numeric, and symbolic input.
Mouse: Operates through point-and-click interaction.
Touchpad/Trackpad: Detects finger movement to control a pointer.
Scanner: Uses optical technology to convert images/text into digital format.
Web Camera: Captures video and still images for use on a computer.
Microphone: Allows voice input for commands or recordings.

Output Devices Examples

Monitor: Displays information visually for user interaction.
Printer: Produces physical copies of electronic documents.
Headphones: Provides audio output through individual earpieces.
Speakers: Amplify sound based on digital data from a computer.
Projectors: Project images/videos onto screens or walls for display.

Input-Output Process

Involves the transfer of data into a computer (input) and the conversion of processed data into understandable formats (output).

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Description

This quiz covers essential concepts in computing, focusing on different types of computers including tablets and smartphones. Participants will engage in group brainstorming activities centered on input and output. Test your knowledge of Lesson 5 and explore the significant aspects of computer operations.