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Neco 2016 COMPUTER STUDIES Objective And Theory Answers answer

Neco 2016 COMPUTER STUDIES Objective And Theory Answers answer

Computer obj

1-10- BBCDACABCD
11-20-BADCCBCEDD
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41-50-EAACDBBCDA

======================

Comp.sci theory

Theory[Verified]

3a)
i)Power Failures
ii)Recovery Times
iii)Theft
iv)Hardware failure
3aii)
CLICK THIS LINK TO VIEW IT
[img]http://www.electronicshub.org/wp-content/uploads/2014/01/NAND-Gate-Truth-Table.png[/img]
3b)
i)slide-tape
ii)Television
3c)
i)It is cumbersome
ii)It is mechanical
iii)It is slow in processing of data
iv)It is an electronic billing machines and mainframes,
3cii)
i)
110112
+11012
=110002
ii)
+2 58
10 38
=13 08

==================================
5a)
Docker is an open-source project that
automates the deployment of applications inside software containers.
5b)
Similarities
i)They are both used to share information
ii)They are limited to the bandwidth they can cover
iii)They also allow mobile devices to be connected
-Difference-
Wireless
i)Wireless network can be configured in two ways. I.e. Adhoc or infrastructure mode.
ii)Wireless networks requires equipments like Wireless Adapters and access points which are quite expensive.
iii)Maximum bandwidth provided by wireless network is about 11Mpbs.
-Cable-
i)Wired networking requires cables to be
connected to each and every computer in the network.
ii)Cost of a Wired network is less
iii)Wired LAN offers better performance as
compared to wireless networks.
5c)
AutoContent help you create your presentation.
5d)
query is an inquiry into the database using the SELECT statement. In other words
A query is used to extract data from the database in a readable format according to the user’s request.



4)
i)Bandwidth: a range of frequencies within a given band, in particular that used for transmitting a signal.
ii)Bookmark: a bookmark is a method of saving a web page’s address or is a click able object that moves to a certain spot on a web page.
iii)Cookies: is a small amount of data generated by a website and saved by your web browser .
iv)Homepage: is a webpage that serves as the starting point of website. It is also the
default webpage that loads when you visit a web address that only contains a
domain name.

v)Server: a server is a computer designed to process requests and deliver data to other (client) computers over a local network or the Internet.

vi)Workstation: is a computer dedicated to a user or group of users engaged in business or professional work. It includes one or more high resolution displays and a faster processor than a personal computer (PC).

vii)Firmware: is a software program permanently etched into a hardware device such as a keyboards, hard drive, BIOS, or video cards and it is also programmed to give permanent instructions to communicate with other devices and perform functions like basic input/output tasks.

viii)HTML: Hypertext Markup Language is the set of markup symbols or codes inserted in a file intended for display on a World Wide Web browser page.
ix)Blogs: a blog is a Web page that serves as a publicly accessible personal journal for an individual.

x)IP: Internet Protocol (IP) is the principal set of digital message formats and rules for exchanging messages between computers across a single network or a series of interconnected networks, using the Internet Protocol Suite. Messages are exchanged as datagrams, also known as data packets or just packets.

Posted by on June 23, 2016.

Categories: Uncategorized

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