ICT Computing Essentials SOLUTION 2023 EDITION ALL ANSWERS 100% CORRECT GUARANTEED GRADE A+

case houses all of the system unit's internal components. Protects from dust, static electricity, moisture, and physical damage. Central Processing Unit (CPU) Brain of the computer. Does all the processing. Speed measured in Hertz (Hz), operate at 4 GHz (Gigahertz). Heat sink/fan Cools the CPU Random Access Memory (RAM) The fast, chip-based volatile storage in a computing device. Temporary memory. Measured in bytes. More RAM = faster computer and more programs opened at once (multi-tasking) Motherboard A circuit board that contains all of the computer system's main components. Responsible for powering the computer and its parts. Connects all devices. hard drive Stores all the software and data that is not being used currently by the CPU. Permanent storage (unlike RAM), retains data even when computer is turned off. Measured in bytes, slower than RAM. Expansion cards Plugged directly into the motherboard's expansion slots. Accessible from the rear of the system unit. Add functionality (video, network, graphics). Input devices provide information to the computer (i.e., keyboard, mouse, scanner, camera, microphone) keyboard enables user to input text and numbers into a computer mouse enables user to click, highlight, and drag graphical representations (icons) of resources on a computer scanner enables the user to copy and save printed images and documents as digital files digital camera enables user to transfer digital picture files to a computer. User can then open, edit, and save digital photographs. microphone enables user to transfer audio (sounds, music) to a computer as digital files. User can then open, edit, and save digital audio files. gamepad/game controller enables user to control movements on the screen when playing video games stylus a digital pen that enables users to write directly on a touch screen barcode reader enables user to scan and read information from printed barcodes fingerprint scanner enables user to verify a person's identity by copying, saving, and matching digital images of a finger print. Used to prevent unauthorized access to a computer or device. GPS device Determines the global position (that is, the location) of the device Used to monitor location of device and/or its user Output devices displays or produces data that has been processed by the computer monitor displays the text or graphics processed by the computer projector displays text or graphics processed by the computer by projecting content onto a large screen or wall printer places digital content (such as text or images) on paper by printing it with ink, producing a "hard copy" speakers plays audio files processed by a computer flash drive a small, portable storage device that connects to a computer. Uses a USB port. Enables user to conveniently store and carry files. flash memory card CONTINUED..