Types of Printers
Delhi Police Exam
Introduction to Printer Types
Printers are common output devices asked in Delhi Police Computer Awareness exams.
Questions usually focus on type, function, and usage of different printers.
Exam Insight: Focus on understanding the working principle and specific use cases of each printer type - these are frequently tested in MCQs.
Printer Types Comparison
| Printer Type | Function / Features | Usage / Notes |
|---|---|---|
| Laser Printer | Uses laser beam to produce high-quality text and graphics | Fast, ideal for offices; uses toner cartridges |
| Inkjet Printer | Sprays tiny droplets of liquid ink onto paper | Cost-effective, good for home printing and images |
| Dot Matrix Printer | Prints by striking pins against an ink ribbon | Noisy, low quality; used for multipart forms and invoices |
Practice Questions (Delhi Police PYQ-style)
Which printer type uses laser technology to print?
Options: (a) Inkjet (b) Dot Matrix (c) Laser (d) Thermal
View Answer
Laser
Which printer is noisy and commonly used for multipart forms?
Options: (a) Inkjet (b) Laser (c) Dot Matrix (d) Plotter
View Answer
Dot Matrix
Which printer type is best suited for high-quality office printing?
Options: (a) Dot Matrix (b) Laser (c) Inkjet (d) Thermal
View Answer
Laser
Which printer sprays tiny droplets of ink onto paper?
Options: (a) Laser (b) Inkjet (c) Dot Matrix (d) Plotter
View Answer
Inkjet
Dot Matrix printer prints by:
Options: (a) Spraying ink (b) Using laser beam (c) Striking pins against ink ribbon (d) Thermal transfer
View Answer
Striking pins against ink ribbon
Inkjet printers are commonly used for:
Options: (a) Home printing and images (b) High-speed office printing (c) Multipage invoice printing (d) Industrial applications
View Answer
Home printing and images
Laser printer uses which of the following?
Options: (a) Ink droplets (b) Toner cartridges and laser beam (c) Striking pins (d) Thermal ink
View Answer
Toner cartridges and laser beam
Which printer is most cost-effective for home use?
Options: (a) Laser (b) Inkjet (c) Dot Matrix (d) Plotter
View Answer
Inkjet
Dot Matrix printers are preferred in:
Options: (a) Printing high-resolution photos (b) Industrial forms and invoices (c) Office reports (d) Multimedia presentations
View Answer
Industrial forms and invoices
Which printer type produces less noise and faster output?
Options: (a) Dot Matrix (b) Inkjet (c) Laser (d) Thermal
View Answer
Laser
Practice Assignment
Task: Create a Printer Types Comparison Table
Create a comprehensive reference table comparing different printer types with their working principles and usage.
Open MS Word / Excel
Make a 3-column table:
- Column 1 → Printer Type (Laser, Inkjet, Dot Matrix)
- Column 2 → Working Principle
- Column 3 → Usage / Notes
Highlight Laser → blue, Inkjet → green, Dot Matrix → orange
Save as Printer_Types.docx
Pro Tip: Remember Laser → Fast/High-quality, Inkjet → Home/Images, Dot Matrix → Multipart Forms.
Memory Tricks & Quick Recap
Laser Printer → High-speed office printing
Inkjet Printer → Home printing & photos
Dot Matrix Printer → Multipart forms / noisy output
Key Features:
- Laser: Toner cartridges, laser beam
- Inkjet: Ink droplets, cost-effective
- Dot Matrix: Pins and ribbon, impact printing
Memory Trick: "Laser Fast, Inkjet Home, Dot Matrix Forms"
Exam Tip: Delhi Police often asks one-liner MCQs on printer types, functions, and usage. Focus on output speed, noise, and applications.
Additional Practice Questions
Toner cartridges are used in:
Options: (a) Inkjet printers (b) Laser printers (c) Dot Matrix printers (d) None of the above
View Answer
Laser printers
Which printer can print images with high resolution?
Options: (a) Dot Matrix (b) Inkjet (c) Plotter (d) MICR
View Answer
Inkjet
Laser printer is faster than:
Options: (a) Inkjet (b) Dot Matrix (c) Both a & b (d) None
View Answer
Both a & b
Which printer type is suitable for printing multipart forms?
Options: (a) Laser (b) Dot Matrix (c) Inkjet (d) LED
View Answer
Dot Matrix
Which printer type is quietest?
Options: (a) Dot Matrix (b) Laser (c) Inkjet (d) None
View Answer
Laser
You've completed Printer Types!
Courage Tip: Remember that printer types are distinguished by their working technology and specific use cases. Laser printers excel in office environments for speed and quality, Inkjet printers are ideal for home use and photo printing, while Dot Matrix printers serve specialized needs like multipart forms. Focus on understanding these key differences as Delhi Police exams frequently test application-based knowledge of printer types.
Master Printer Types for Delhi Police Exam!
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