Hardware Devices

Which internal component performs calculations and logical operations?

• RAM chips
• Power supply
• System board
• CPU

What is the difference between OMR and OCR? Where is it used?

What is the difference between RAM and ROM?

Which is an example of internal computer hardware?

• CPU
• RAM
• Video card
• All of these are correct.

A computer interface where a user interacts with a computer system by typing in lines of text is called _____.

• command based interface
• command line interface
• graphical user interface
• text entry interface

Written text and images can be translated into digital format by using a ………..

• Printer
• Scanner
• Concept Keyboard
• Bar Code Reader

Which of the following is not external hardware?

• Keyboard
• Sound Card
• Mouse
• Printer

What is computer hardware?

• All physical parts of a computer system
• Any part of a computer system that needs electricity to run
• Anything you can buy in a computer store
• Any part of a computer made out of metal

What is typically considered the most important hardware element of a computer system?

• Hard disk drive
• Motherboard with the central processing unit and main memory
• Monitor
• Keyboard

How does touchscreen technology differ from traditional input devices, like a keyboard and a mouse?

• A person make hand gestures and the video camera records these.
• A person interacts with the computer primarily by touching the screen with their fingers.
• A person plays games by holding the device in their hands and moving it around.
• A person uses a series of touch buttons on the side of the display.