Audio and Visual Output Devices Quiz

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What is the main function of the keyboard in a terminal?

To input data

What is the purpose of the monitor in a terminal?

To display output

What type of terminal is directly connected to the central computer through cables?

Local terminal

Which type of terminal is like a TV screen and is used to display computer information?

Video display terminal Signup and view all the answers

What does a teleprinter terminal consist of?

Printer Signup and view all the answers

What kind of terminal is dependent on the central computer for its work and has only input and output units?

Dumb terminal Signup and view all the answers

What is the purpose of a transparency adapter in a flatbed scanner?

To scan transparent slides or film negatives Signup and view all the answers

What is a potential drawback of using a handheld scanner?

The hand needs to be steady to avoid distorting the image Signup and view all the answers

What is the function of a sheetfed scanner?

To insert the document into the provided slot for scanning Signup and view all the answers

What are the two types of sensors commonly used in flatbed scanners?

CIS (Contact Image Sensor) and CCD (Charged Coupled Device) Signup and view all the answers

What is the main component of a sheetfed scanner responsible for feeding the document into the scanning module?

Sheet-feeder Signup and view all the answers

Name one common item that can be scanned using a handheld scanner.

Barcode Signup and view all the answers

What is the main purpose of the hammer in an impact printer?

The hammer pushes the print heads onto the ink ribbon. Signup and view all the answers

Why are most impact printers incompatible with printing images or graphics?

Most impact printers use electromechanical components and have limitations in creating graphics. Signup and view all the answers

What is a key disadvantage of impact printers compared to modern printers?

Impact printers make a lot of noise and work relatively slowly compared to modern printers. Signup and view all the answers

Why are impact printers still considered useful for certain printing tasks?

Impact printers cost less and are best for bulk printing. Signup and view all the answers

What is the main characteristic of character printers?

Character printers typically print only one character at a time. Signup and view all the answers

How do dot matrix printers create characters or graphics?

Dot matrix printers use a matrix of pins on their print heads to create characters or graphics. Signup and view all the answers

What are some examples of popular visual output devices?

Monitors, projectors, printers Signup and view all the answers

Who invented the first computer monitor?

Karl Ferdinand Braun Signup and view all the answers

How does a CRT monitor produce images?

Based on cathode ray tubes Signup and view all the answers

What determines the sharpness of an image on a monitor?

Number of pixels Signup and view all the answers

What are the types of printers categorized under impact printers?

Dot matrix printers, Daisy Wheel printers, Line printers (Drum and Chain) Signup and view all the answers

Name two popular types of non-impact printers.

Laser printers, Inkjet printers Signup and view all the answers

What is the main difference between band printers and chain printers?

Band printers use a steel band with hammers, while chain printers use a chain. Signup and view all the answers

How do band printers change font styles or sizes?

Band printers change font styles or sizes by changing the band. Signup and view all the answers

What are the advantages of band printers over drum printers?

Band printers offer high-speed printing, durability, continuous form printing, and lower cost per page. Signup and view all the answers

What are the disadvantages of band printers?

Band printers have limited print quality, noise, vibration during operation, and consumable costs. Signup and view all the answers

How do non-impact printers differ from impact printers?

Non-impact printers do not have hammers hitting print heads on ink ribbons. Signup and view all the answers

What are the key characteristics of non-impact printers?

Non-impact printers do not have hammers, do not use ink ribbons, and produce prints differently. Signup and view all the answers