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CORE 2 EXAM QUESTIONS WITH 100% RATED ANSWERS, GET A+

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What is Drop-on-Demand (DOD) technology in inkjet printers? - DOD is a common inkjet technology. It includes thermal bubble and piezo electric methods. How does thermal bubble technology work in inkjet printers? - Thermal bubble technology uses heat to create a vapor bubble. The bubble expands to push an ink droplet out. How does piezo electric technology function in inkjet printers? - Piezo electric technology uses an electrical signal to vibrate a film. This vibration forces an ink droplet out. What is Continuous Inkjet (CIJ) technology used for? - CIJ is used commercially for marking or coding products. It continuously pumps ink through a nozzle. How is printer resolution measured in inkjet printers? - Resolution is measured in dots per inch (DPI). Higher DPI means smaller dots and sharper images. What is the typical resolution range for inkjet printers? - Inkjet resolution ranges from 150 dpi to 4800 dpi. Normal resolution is about 300 dpi. What should you do to calibrate an inkjet printer? - Calibrate to align printhead and paper if printouts are degraded. Use the printer's calibration program for adjustments. What is the purpose of running a test page for an inkjet printer? - A test page checks for printhead failure. It identifies issues like poor, smudged, or blotchy quality. What should you do if a specific color is not printing in an inkjet printer? - Clean the printhead for that specific color. Many printers have separate printheads per color. How do you clean all-in-one cartridge printheads? - Use a printhead cleaning kit for manual cleaning. Follow the manufacturer's guidelines. How do you clean fixed carriage printheads in an inkjet printer? - Use the printer's utility cleaning cycle. Follow the manufacturer's instructions. Why should you observe expiration dates on inkjet printer cartridges? - Expiration dates prevent issues from dried ink. Replace cartridges timely to avoid clogs. How should you store inkjet printer cartridges? - Keep cartridges in their vacuum-sealed bag. This preserves their life until installation. How do you clear paper jams in an inkjet printer? - Remove jammed paper with firm, steady pressure. Avoid tearing to prevent paper remnants inside. What powers most electronic components in a laser printer? - A DC power supply operates most components. It provides stable power for electronics. What provides the high-voltage charge in a laser printer? - A high-voltage AC current charges the drum. It's used in the imaging process. What is the role of the controller board in a laser printer? - The controller board acts like a motherboard. It manages printer memory and operations. What is the purpose of the duplexing assembly in a laser printer? - It enables automatic two sided printing. Paper is flipped and rerouted for second-side printing. What is the first step in the laser printer imaging process? - The document is sent to the printer. It undergoes raster image processing (RIP). What happens during the charging step in laser printing? - The imaging drum receives a high powered negative charge. A primary charge roller or corona wire applies it. What occurs during the exposing step in laser printing? - A laser writes the image onto the drum. It neutralizes the charge where light hits.

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CLOUD COMPUTING FACTS EXAM QUESTIONS
WITH 100% RATED ANSWERS, GET A+
What is cloud computing? - Cloud computing is a combination of software, data access,
computation, and storage services provided to clients over the internet. It allows users to access
services without managing the physical infrastructure behind them.


What does the term "cloud" represent in cloud computing? - The "cloud" is a metaphor for the
internet, originating from network diagrams where a cloud symbol represents complex
infrastructure. It now symbolizes the broad network of internet-based services.


How do users typically access cloud applications? - Cloud applications are usually accessed via
web services or software, such as a web browser. This makes them platform-independent and
accessible from various devices.


Can cloud connections exist over networks other than the internet? - Yes, cloud connections can
occur over the internet or a local area network (LAN). This allows flexible access models for
different organizational needs.


Do users need to know the physical location of cloud services? - No, cloud computing does not
require end-users to know the physical location or configuration of the services. The
infrastructure details are abstracted from the user.


What is a public cloud? - A public cloud provides computing resources like applications and
storage to the general public, often over the internet. Providers may offer these services for free
or for a fee.


Who can access a public cloud? - Anyone can access a public cloud, as it is not restricted to a
specific organization. Examples include services like Gmail and Google Docs.


What is a private cloud? - A private cloud is dedicated to a single organization and is accessible
only to its members. It offers increased control and security over resources.
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