Computer Hardware Flashcards
What is Hardware?
hardware is the physical aspect of computers, telecommunications, and other devices.
Name Hardware Devices
- RAM 2. HDD/SSD 3. Power Supply 4. Monitors 5. GPU/Vid Card 6. Sound Card
What is an input device?
An input device is a device that is used to enter data into a computer or phone…
What Is an output device?
An output device is a piece of hardware that is used to output data that has been entered into a computer
Name A Couple Input Devices
- Mouse 2. Keyboard 3. Joystick 4. Touchscreen 5. Touchpad 6. Microphone
Name A Couple Of Output Devices
- Monitor 2. Printer 3. Projector 4. Headphones 5. Speaker
What Is the advantage & Dis of using a Mouse?
A: Easy TO USe, Fast D: Clicking too many times can confuse the program being used
The Advantage & Disadvantage Of Monitor
A: Instant Viewing of info
D: May be fixed in one place
Name Some Types Of Printers
- Daisy Wheel 2.Dot Matrix 3. Inkjet Printers 4. Laser Printers 5. 3D
What Does OMR Stand For?
Optical Mark Reader
What Does OMR Do?
OMR software is used to recognise and record where the marks appear on the paper.
The Method Of OMR Scanning/How does it do it?
OMR works by reflecting light onto the paper and where pencil marks have been marked less light is reflected back and so is able to reccognise where marks are made
Real Life Examples Of OMR Usage?
- Schools
- Colleges
- Lottery Tickets
- Multi Choice Questions
What Does OCR Stand For?
OCR is Opitcal Character Reccognition
What Is The Purpouse Of OCR?
OCR is able to reccognise text on a piece of paper and convert into editable text after scanning
