4. Answer the following questions. (Very short answer type]
(a) Name two secondary storage devices.
(e) Name any one place where smart cards are
b) Name any two types of scanners.
used.
(c) Expand MICR and OCR.
(f) Name the two different types of monitors.
(d) What is the storage capacity of a flash drive?
Answers
Answer:
Explanation:
a) It must first be copied into primary storage (also known as RAM). Secondary memory devices include magnetic disks like hard drives and floppy disks ; optical disks such as CD's and CDROMs ; and magnetic tapes, which were the first forms of secondary memory.
b) This is article will have information about the two most common scanners. The information will include; cost, and how its used The four common scanner types are: Flatbed, Sheet-fed, Handheld, and Drum scanners.
c) MICR and OCR. The main challenge with check processing is to streamline and automate the process to reduce keystrokes. Two technologies are used to automate this process. The first has been used for over half a century; it is magnetic ink character recognition or MICR.
d) The first USB flash drive came on the market in 2000 with a storage capacity of 8 megabytes (MB). Drives now come in capacities ranging between 8 gigabytes (GB) and 1 terabyte (TB), depending on manufacturer, and future capacity levels are expected to reach 2 TB
e)In addition, smart cards enable compliance with government initiatives, such as organ donation programs. Smart cards can also be used to verify identity in places like business offices and universities. Multi-function, microprocessor-based smart ID cards can incorporate identity with access privileges.
f)The two types of monitor technologies available to consumers are available in CRT monitors and LCD monitors. There are big differences between LCD and CRT, and while LCD technology has advanced to the point where its viewing quality is comparable to CRTs, many people today still choose to purchase a CRT monitor.