Which of the following is considered the "brain" of the computer?

• 
• 
• 
• 

What component is responsible for storing data permanently in a computer?

• 
• 
• 
• 

Which type of memory is volatile and loses its data when the computer is powered off?

• ROM

• RAM

• SSD

• HDD

Which of the following is NOT an input device?

• Keyboard

• Mouse

• Printer

• Scanner

What type of storage device uses flash memory and has no moving parts?

• HDD

• SSD

• CD-ROM
  

• Floppy Disk

What is the main function of the motherboard in a computer?

• To power the computer

• To connect all the components and allow them to communicate

• To store data permanently

• To display graphics on the screen

Draw a schematic symbol of a battery.

Draw a schematic symbol of a resistor.

Draw a schematic diagram of an LED.

Draw the symbol of Ohms.