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Computer Hardware and Devices Quiz

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Match the following computer components with their descriptions:

Motherboard = Main circuit board containing the CPU, RAM, and connectors for other components HDD = Primary storage device for data and files in a computer UPS = Device that provides emergency power to a load when the input power source fails SMPS = Converts AC power to low-voltage regulated DC power for the internal components of a computer

Match the following networking technologies with their descriptions:

WiFi = Wireless networking technology that uses radio waves to provide high-speed internet and network connections Broadband = High-speed internet access that is "always on" and faster than traditional dial-up access Wimax = Wireless communication standard designed to provide 30 to 40 megabit-per-second data rates Modem = Device that modulates and demodulates signals to enable digital data to be transmitted over analog communication links

Match the following interface technologies with their descriptions:

Serial Ports = Data transmission method that sends data one bit at a time over a single wire Parallel Ports = Data transmission method that sends multiple bits of data simultaneously over multiple wires SCSI = High-speed interface for connecting multiple peripherals to a computer ISA/EISA = Industry Standard Architecture/Extended Industry Standard Architecture for connecting peripheral devices to a computer

Match the following components of a CRT with their functions:

Electron gun = Emits a beam of electrons Phosphor-coated screen = Produces visible light when struck by electrons Deflection coils = Control the position of the electron beam Cathode = Emits electrons when heated Signup and view all the answers

Match the following steps in the working of a CRT with their functions:

Electron beam generation = Creation of a stream of electrons Deflection of electron beam = Control of the path of the electron beam Interaction with phosphor-coated screen = Production of visible light Application of electric field = Control of electron beam speed Signup and view all the answers

Match the following CRT-related terms with their descriptions:

Persistence = Duration of phosphor's glow after electron beam stops Refresh rate = Number of times per second the image is redrawn Raster scan = Method of drawing images on a CRT Beam spot size = Size of the electron beam striking the screen Signup and view all the answers