Guys please help me to find out answers of these questions,
Answers
Ugh! Only Five pointsn is not a good deal for this...|
1) there are three different type of impact printers: Dot-matrix,Daisy- wheel,and Line printers.
2)optical storage ,electronic storage medium that uses low power lasers beam to record and retrieve digital (binary) data.In optical storage technology,a laser disk in form of tiny pits arranged in a spiral track on the disk's surface.
3) O M R stands for Optical Mark Recognition . This popular recognition technology is used to collect data from "fill in the bubble" forms such as educational tests, surveys,assessments,evalution and many other multiple choice forms.OMR has been widely used in education since 1960s and still popular today.
4) A computer programming language consists of binary and hexadecimal instructions which is a computer can respond to directly is called a machine language.
5) An operating system is system software that manages computer software,hardware resources and provides common services for computer programs.... the dominant desktop operating system is microsoft windows with a market share of around82.74%.
6) disk defragmenter in windows rearranges fragmented data so your disks and drive can work more efficiently. disk fragmenter runs on a schedule,but you can also analyze and defragment your disks and drive manually.
I cant write answers of all the questions because i have not much time sorry.
have a nice day.