I/O, STORAGE & PROCESSING DEVICES

Summary

In this video, the presenter, D Padama, discusses the key components of input, output, storage, and processing devices in computing. The video provides clear definitions and examples of input devices (e.g., keyboards, mice, and scanners), output devices (e.g., monitors, printers, and speakers), storage devices (e.g., flash drives and external hard drives), and processing devices (e.g., CPUs, memory, and motherboards). The presentation also includes an exercise for students to classify different devices as either input or output. The session concludes with a review and answers to the exercise.

Takeaways

• 😀 Input devices are equipment used to provide data or control signals to an information processing system.
• 😀 Common input devices include keyboards, mice, scanners, cameras, joysticks, and microphones.
• 😀 Output devices convert processed information into a form that humans can perceive, such as visual, audio, or tactile.
• 😀 Examples of output devices are monitors, printers, speakers, headphones, and projectors.
• 😀 Storage devices are used to save digital data, and they are critical for retaining processed information from the CPU.
• 😀 Flash drives, memory cards, and hard disk drives are popular storage devices.
• 😀 Older storage devices like floppy disks and CDs are now mostly obsolete, replaced by more modern options.
• 😀 Processing devices include components like the CPU, memory, and motherboard, which are responsible for data processing.
• 😀 The CPU performs computations, while the memory stores the processed data for retrieval by the system.
• 😀 During the exercise, students are asked to classify 26 devices as either input or output devices, reinforcing their understanding of the topic.

Q & A

What is an input device in computing?

An input device in computing is any piece of equipment used to provide data or control signals to an information processing system, such as a computer.

Can you give some examples of common input devices?

Examples of common input devices include keyboards, mice, scanners, cameras, joysticks, and microphones.

How does an output device differ from an input device?

An output device converts information into a form that is perceptible to humans, such as visual, audio, or tactile forms, whereas an input device allows data to be entered into a system.

What are some examples of output devices?

Examples of output devices include monitors, printers, speakers, headphones, and projectors.

What is the function of storage devices in a computing system?

Storage devices are used to retain or save digital data, allowing the computer to store information that is processed by the CPU.

What are some common types of storage devices?

Common storage devices include flash drives, memory cards, hard disk drives, CDs, external hard disks, and floppy disks (which are now obsolete).

What role do processing devices play in a computer system?

Processing devices, such as the CPU, memory, and motherboard, are responsible for processing information within the computer system.

Can you explain the difference between internal and external hard disks?

An internal hard disk is located inside the computer system's tower, while an external hard disk is located outside the system, typically connected via USB or other ports.

What is the relationship between the CPU, memory, and motherboard in a computer?

The CPU is the central unit that performs computations, the memory stores data, and the motherboard connects all these components together, allowing them to function together efficiently.

How do output devices like printers and speakers present processed information?

Printers present processed information in the form of hard copies (text or graphics), while speakers provide auditory output, allowing the user to hear the processed information.