Computer hardware and software

Which component is the brain of the computer?

• CPU

• RAM

• Hard drive

• Motherboard

Identify the component that stores the information being accessed by the CPU.

• RAM

• Hard Drive

• Power Supply

• Motherboard

Which type of hard drive has no moving parts?

• RAM

• Motherboard

• Magnetic Drive

• Solid State Drive (SSD)

Which of the following is an input device?

• Monitor

• Projector

• Speaker

• Keyboard

Which input device can verify a person's identity for security purposes?

• Stylus

• Gamepad

• Barcode reader

• Fingerprint Scanner

Which of the following is an output device?

• Mouse

• Monitor

• Keyboard

• Microphone

Which of the following is a storage device?

• Monitor

• Scanner

• Speaker

• Flash Drive

Which is true about power supply?

• A single PSU can supply 5 computer units
• It converts the main alternating current into low-voltage direct current.
• It has its own processor
• PSU's are all true rated

Which of the following is true about a hard drive?

• PATA and SATA has the same disk rpm.
• It can only be used internally
• It cannot be partitioned
• It is the main storage device of the computer.

It reads or writes data into optical discs.

• External hard drive
• Optical disc drive
• Flash drive
• External DVD - R