MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -A printer is a device that accepts text and graphic output from a computer and transfers the information to paper, usually to standard-size, 8.5” by 11” sheets of paper. Printers vary in size, speed, sophistication and cost.

Detailed explanation-2: -A hard copy (or “hardcopy") is a printed copy of information from a computer. Sometimes referred to as a printout, a hard copy is so-called because it exists as a physical object.

Detailed explanation-3: -However, there are six types of printers that are tried and tested: inkjet printers, laser printers, solid ink printers, continuous ink printers, LED printers, dot matrix printers and A3 printers.

Detailed explanation-4: -Printers are one of the common computer peripheral devices that can be classified into two categories that are 2D and 3D printers. The 2D printers are used to print text and graphics on a paper, and 3D printers are used to create three dimensional physical objects.