8th July 2020 nfeditor

GRADE 1 : COMPUTER SCIENCE : WEEK 4

NEW APPROACH

TERM/WEEK: THIRD TERM/WEEK 4

DATE: 12th June, 2020

CLASS: Grade 1

SUBJECT: Computer Science

TOPIC: Printer – Meaning, Types, Uses and Printer Interfaces

Reference: The Internet

Brief explanation

A printer is an output device that produces a hard copy (permanent readable text and graphics) of documents stored in electronic form in the computer. The output is usually produced on a physical print media such as paper. Printer helps to print out on paper what is seen on the computer.

Printers are attached by a printer cable to a computer which serves as document sources.

NOTES

A printer is an external hardware output device that takes the electronic data stored on a computer or other device and generates a hard copy of it. For example, if you created a report on your computer, you could print several copies to hand out at a staff meeting. Printers are one of the most popular computer peripherals and are commonly used to print text and photos.

Types of printer

Below is a list of all the different types of computer printers. Today, the most common printers used with a computer are inkjet and laser printers.

  1. 3D printer
  2. AIO (all-in-one) printer
  3. Dot matrix printer
  4. Inkjet printer
  5. Laser printer
  6. LED printer
  7. MFP (multifunction printer)
  8. Plotter
  9. Thermal printer

Printer interfaces

There are a few different ways a printer can connect to and communicate with a computer (referred to as interfaces). Today, the most common connection types are by USB cable (wired) or via Wi-Fi (wireless). Below is a list of cables and interfaces used to connect a computer to a printer.

  1. Cat 5
  2. Firewire
  3. MPP-1150
  4. Parallel port
  5. SCSI (Small Computer System Interface)
  6. Serial port
  7. USB (Universal Serial Bus)
  8. Wi-Fi

Uses of a printer.

  1. Print copy of a document for school.
  2. Print pictures on photo printer.
  3. Print receipts for purchases made online.
  4. Print hard copies of professional or legal documents.

Exercises/Assignment

  1. List 4 uses of a printer.
  2. What is a printer?
  3. Mention 3 printer interfaces.
  4. List 6 types of printers.