Podcast
Questions and Answers
What is the main characteristic of a computer as described in the text?
What is the main characteristic of a computer as described in the text?
- High storage capacity
- Ultra-fast processing speed (correct)
- Infinite data processing capabilities
- Complete immunity to errors
Which unit is commonly used to measure the speed of a computer's internal operations?
Which unit is commonly used to measure the speed of a computer's internal operations?
- Picosecond
- Microgram
- Nanosecond (correct)
- Millisecond
What is the main reason for errors in computing according to the text?
What is the main reason for errors in computing according to the text?
- Faulty software design
- Excessive storage capacity
- Underdeveloped hardware
- Inaccurate data (correct)
Which trend is NOT mentioned in the text as a characteristic of Information and Communication Technology (ICT)?
Which trend is NOT mentioned in the text as a characteristic of Information and Communication Technology (ICT)?
What type of machine is a computer according to the text?
What type of machine is a computer according to the text?
Which speed unit is used to measure the incredibly fast internal speed of a powerful computer performing addition of large numbers?
Which speed unit is used to measure the incredibly fast internal speed of a powerful computer performing addition of large numbers?
What is the main difference between data and information?
What is the main difference between data and information?
Which of the following describes operational information?
Which of the following describes operational information?
What are the desirable qualities of information according to the text?
What are the desirable qualities of information according to the text?
How is information classified based on its purpose?
How is information classified based on its purpose?
What makes a piece of data become information?
What makes a piece of data become information?
In the context of systems, what is the role of daily receipts, invoices, and payslips as mentioned in the text?
In the context of systems, what is the role of daily receipts, invoices, and payslips as mentioned in the text?
What is the key difference between analog computers and digital computers?
What is the key difference between analog computers and digital computers?
Why is it important to properly connect computer cables?
Why is it important to properly connect computer cables?
What does 'hybrid computer' refer to?
What does 'hybrid computer' refer to?
Why is giving proper care to the device essential according to the text?
Why is giving proper care to the device essential according to the text?
What defines special purpose computers?
What defines special purpose computers?
Why is compatibility to peripherals important for a computer system?
Why is compatibility to peripherals important for a computer system?
Study Notes
Information and Communication Technology Trends in ICT
- Increase in raw computing power
- Increase in storage capacity
- Increasing diversity
- Falling prices
- Increasing functionality and flexibility
- Increasing user-friendliness
- Improved connectivity
Characteristics of a Computer
- Speed: electronic, high-speed calculator, units of speed are microsecond, nanosecond, and picosecond
- Accuracy: high, errors are due to human weaknesses, not technological weaknesses
Characteristics of a Computer (continued)
- Storage: can store a large amount of data permanently
What is Data?
- A collection of independent raw facts, numbers, letters, symbols
- Refers to the facts and figures relating to events that take place
- Refers to things “known”
What is Information?
- Data made meaningful based on user needs through manipulation
- Desirable qualities: relevance, completeness, accuracy, cost-effectiveness, timeliness
Classifications of Information
- Operational Information: daily details for running an organization
- Management Information: for managing planning, organizing, and controlling an organization
- Strategic Information: mission critical, relates to the organization's thrust
Data versus Information
- Data: collection of facts in forms of numbers, letters, special symbols, or combinations
- Information: data that has been organized and processed to become meaningful
What is a System?
Why Computers Sometimes Fail
- Input Errors or Errors in Instructing a Computer
- Communication Gap
- Improper Control
- Lack of Standard
Types of Computer
- Digital computer
- Main frame computer
- Micro computer
- Home PC
- Analog computer
- Super Computer
- Hybrid Computer
- Mini Computer
Classifications of Computer
- Based on operating principles: Analog computers, Digital computers, Hybrid computers
- Based on applications: General purpose computers, Special purpose computers
- Based on size and capability
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Description
Test your knowledge on communication technology and Information and Communication Technology (ICT) trends. Explore concepts such as transmission of information over networks, increase in computing power, storage capacity, falling prices, and more.
