Topic 2 Hardware

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

• To input data

• To store permanent data

• To connect and integrate all components

• To project visual output

Which type of memory is volatile and loses data when power is off?

• RAM

• ROM

• SSD

• Blu-ray

Why is cache memory important for CPU performance?

• It increases monitor resolution

• It saves energy

• It stores operating system permanently

• It reduces access time to frequently used instructions

What factor should be considered when purchasing a processor for multitasking?

• Color depth

• Number of cores

• Type of keyboard

• Size of monitor

Which storage device is most suitable for archiving movies with high capacity but slower speed?

• SSD

• Optical disc (Blu-ray)

• RAM
  

• Registers

How does virtual memory help when RAM is full?

• By deleting unused files

• By using part of hard disk as temporary RAM

• By speeding up CPU
  

• By replacing ROM

What is the purpose of a heat sink in a computer system?

• To speed up RAM

• To dissipate heat from CPU

• To increase storage

• To convert analog signals

Which port is commonly used to connect high-definition video and audio?

• VGA

• HDMI

• USB

• Serial

Why is SSD more reliable than HDD?

• Uses laser technology

• Has no moving parts

• Stores data in optical format

• Requires less cache

Which input device uses light beams to read bar codes?

• RFID reader

• Scanner

• Bar code reader

• MICR