Buying and selling the products over electronic systems like internet is called _______
a.
b.
c.
d.
Option “C” is correct. E-commerce is the activity of buying or selling of products on online services or over the Internet. Electronic commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.
12.
What are the two types of monitors?
a.
b.
c.
d.
Option “B” is correct. CRT : The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images. It modulates, accelerates, and deflects electron beam(s) onto the screen to create the images.
LCD : A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals. Liquid crystals do not emit light directly, instead using a backlight or reflector to produce images in color or monochrome.
13.
Basic Building Blocks for a Digital Circuit is ______
a.
b.
c.
BIOS
d.
DMOS
Option “B” is correct. A logic gate is an elementary building block of a digital circuit. Most logic gates have two inputs and one output. At any given moment, every terminal is in one of the two binary conditions low (0) or high (1), represented by different voltage levels.
14.
________ keys are present on the top row of the keyboard.
a.
Function
b.
c.
Numeric
d.
Navigation
Option “A” is correct. The function keys, also called the F-keys or Fn keys, are located in the top row of nearly all computer keyboards. They typically contain at least F1 through F12, but may include to F16 on some keyboards. The function that each key provides depends on what program is currently running, and certain keys may provide no function at all.
15.
_________ computers are used in Banking, Railways, and Airlines.
a.
b.
c.
d.
Option “D” is correct. Mainframe computers are computers used primarily by large organizations for critical applications; bulk data processing, such as census, industry and consumer statistics, enterprise resource planning; and transaction processing. They are larger and have more processing power than some other classes of computers: minicomputers, servers, workstations, and personal computers.
Mainframes are built to be reliable for transaction processing as it is commonly understood in the business world: the commercial exchange of goods, services, or money. A typical transaction, as defined by the Transaction Processing Performance Council, updates a database system for inventory control (goods), airline reservations (services), Railway or banking (money) by adding a record.
16.
Which of the following is true?
a.
b.
c.
d.
Option “C” is correct. In most computer systems, a byte is a unit of data that is eight binary digits long. A byte is the unit most computers use to represent a character such as a letter, number or typographic symbol.
17.
Transformation of input into output is performed by?
a.
Peripherals
b.
Memory
c.
Storage
d.
Option “D” is correct. The act of production involves the transformation of inputs into output. Production is a transformation of physical inputs into physical output.
18.
How many options does a binary choice offer?
a.
None
b.
One
c.
Two
d.
Option “C” is correct. Binary choice offers two number 0 and 1, So it gives two choices.
19.
…… is collection of web pages and …… is the very first page that we see on opening of a web-site.
a.
b.
c.
d.
Option “B” is correct. The primary web page that we usually view as the first page at a Web-site is known as its Home-page.
20.
When the pointer is positioned on a _____ it is shaped like a hand.
a.
b.
Hyperlink
c.
d.
Option “B” is correct. In computing, a pointer or mouse cursor is a symbol or graphical image on the computer monitor. It is shaped like a hand when positioned over a hyperlink.
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