COA

quiz

What device is used to manually input text into a computer?

Keyboard

Which characteristic describes ROM?

A chip that cannot be erased or rewritten and is non-volatile

Which unit of measurement indicates hard drive speed?

Revolutions per minute (RPM)

Which interface was developed for HDTVs and is popular for audio/video on computers?

HDMI

What device allows sharing a keyboard, mouse, and monitor between two computers?

KVM switch

Which two components interface directly with the Southbridge chipset?

Hard drive
USB ports

Which two port types are shown: USB ports and an RJ-45 port?

USB and Network

From which storage does the CPU load data during normal operation?

RAM

Which two activities are controlled by the Northbridge chipset?

access to the RAM and videocard

What is the fastest type of memory technology?

SRAM

Why is grounding computers and network devices important?

To provide a path of least resistance for stray current

Which tool protects computer components from ESD?

Antistatic wrist strap

Which two storage devices use magnetic media?

Tape drive and Hard Disk Drive

What component is shown with an RJ-45 port and PCI connector?

Network Interface Card (NIC)

What type of expansion card is a NIC?

Network Interface

Which three voltages are provided by a PC power supply?

3.3 5 12

Which two statements describe GDDR SDRAM?

Processes massive amounts of data at high speeds
Used with a dedicated GPU

What is the correct use of an antistatic wrist strap?

It must make contact with the skin

What connects to the motherboard via a 24-pin connector?

Power supply

What is a key characteristic of SRAM in a PC?

Used for cache memory

What solution reduces hard drive failure due to vibration?

Install SSDs

Which component controls communication between the CPU and other motherboard components?

Chipset