Computer Hardware (Chapter 5)
What is the main circuit board inside a computer called?
Motherboard
How many bits make up one byte?
8 bits
What is the most common device used to enter sound into a computer?
Microphone
What type of keyboard appears directly on a smartphone or tablet screen?
Virtual keyboard
What type of storage allows you to save and access files over the Internet?
Cloud Storage
hat is the single chip that contains a computer's CPU called?
Microprocessor
What number system uses only the digits 0 and 1?
binary system
What are the tiny dots that combine to form images on a computer screen called?
Pixels
What type of device does a supermarket cashier use to scan the codes on products?
Bar code reader
What type of storage retains information even after the computer is turned off?
Nonvolatile storage
What measurement is typically used to represent the processing speed of a CPU?
Clock Speed
What type of port is commonly used to connect keyboards, mice, printers, and external storage devices?
USB
What technology is used to read the special numbers printed at the bottom of bank checks?
MICR (Magnetic Ink Character Recognition)
What technology is commonly used to connect wireless headphones and speakers to a computer?
Bluetooth
What type of storage device has no moving mechanical parts and generally provides faster access than traditional hard drives?
Solid-State Drive (SSD)
What type of memory temporarily stores frequently used data to help the CPU process information faster?
Cache Memory
What character encoding standard supports characters from many languages around the world?
Unicode
What technology reads pencil marks on multiple-choice answer sheets?
OMR (Optical Mark Recognition)
What is the study of designing equipment and workspaces to improve human comfort, safety, and efficiency?
Ergonomics
What type of storage drive combines a traditional hard disk with solid-state storage technology?
Hybrid drive
What is the process called when a computer divides tasks among multiple processor cores to perform operations simultaneously?
Parallel Processing
What type of memory is used to store startup instructions that remain available when the computer is turned off?
Flash Memory
What technology uses tiny electronic tags to identify and track items such as inventory or lost pets?
RFID (Radio Frequency Identification)
What is the general term for injuries caused by repeated movements, such as typing or using a mouse for extended periods?
Repetitive Strain Injury (RSI)
What technology combines multiple physical drives to improve performance, reliability, or both, depending on its configuration?
RAID (Redundant Array of Independent Disks)