Understanding the Computer System

What are the three main components of a computer system?

• CPU, Monitor, Keyboard
• Software, Hardware, Peopleware
• Mouse, Printer, Scanner
• System Unit, Motherboard, Storage

What part of the computer is considered the “brain” of the system?

• Hard Drive
• Motherboard
• CPU
• RAM

Which of the following is not a part of the system unit?

• RAM
• Printer
• Motherboard
• Expansion slots

What type of memory is non-volatile?

• RAM
• ROM
• Cache
• HDD

Which storage device is permanent and stores the operating system?

• RAM
• ROM
• Hard Disk Drive
• DVD

Which input device is the earliest developed for a PC?

• Touch screen
• Keyboard
• Mouse
• Microphone

What device uses a laser to read data from optical media?

• Hard Drive
• Optical Drive
• Flash Drive
• RAM

Which of these is used to convert AC to DC power?

• PSU
• CPU
• VGA
• ROM

Which memory type is volatile?

• ROM
• SSD
• RAM
• DVD

Which device allows you to draw directly on a surface using a stylus?

• Touch screen
• Mouse
• Digitizer Tablet
• Light Pen