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Questions and Answers
What is the main purpose of a communication device in relation to a computer?
What is the main purpose of a communication device in relation to a computer?
- To store programs and files for the computer
- To provide power to the computer
- To control the computer's operations
- To send and receive data, instructions, and information (correct)
What is the key feature that distinguishes a desktop computer from other types of computers?
What is the key feature that distinguishes a desktop computer from other types of computers?
- It is portable and can be easily moved
- It has a more powerful processor
- It is designed to be placed on a desk (correct)
- It has a larger storage capacity
What is the primary function of a motherboard in a computer system?
What is the primary function of a motherboard in a computer system?
- To generate and distribute power to the various computer components
- To act as the central processing unit (CPU)
- To serve as the main communication channel between components (correct)
- To provide storage for programs and data
What is the key characteristic that distinguishes a supercomputer from other types of computers?
What is the key characteristic that distinguishes a supercomputer from other types of computers?
How does the concept of a 'trend' relate to the development of technology and computer systems?
How does the concept of a 'trend' relate to the development of technology and computer systems?
What does ICT stand for?
What does ICT stand for?
Which industry primarily involves computers, software, and networking for managing important information?
Which industry primarily involves computers, software, and networking for managing important information?
What is the principal characteristic of a computer regarding how it responds to instructions?
What is the principal characteristic of a computer regarding how it responds to instructions?
Which sector does not typically utilize applications of ICT according to the text?
Which sector does not typically utilize applications of ICT according to the text?
What is the process of transmitting messages called?
What is the process of transmitting messages called?
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Study Notes
Computer Hardware and Devices
- A communication device is a hardware component that enables a computer to send and receive data, instructions, and information.
- A desktop computer is designed to be placed on a desk and consists of a few parts, including the computer case, monitor, keyboard, and mouse.
- A motherboard is a circuitry of the system unit that is commonly a part of a circuit board.
- A supercomputer is an extremely fast computer that can perform millions of instructions per second.
- A USB flash drive is a portable storage device with more storage capacity than a floppy disk or Zip disk.
ICT and IT
- ICT (Information Communication Technology) refers to technology that supports activities involving information such as gathering, processing, storing, and presenting data.
- ICT also involves collaboration and communication.
- IT (Information Technology) pertains to the industry that involves computers, software, networking, and other IT infrastructure that help relay or manage information.
Key Concepts
- Information refers to the knowledge obtained from reading, study, or research.
- Communication is an act of transmitting messages through verbal and non-verbal means.
- Technology has evolved to improve people's daily activities.
- Knowledge is processed information.
- Automation is the technique of making an apparatus, a process, or a system operate automatically.
Characteristics of Computers
- A computer responds to a specific set of instructions in a well-defined manner.
- A computer can execute a pre-recorded list of instructions.
- A computer can quickly store and retrieve large amounts of data.
Applications of ICT
- ICT has applications in various fields, including business, education, healthcare, retail and trade, government, and more.
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