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Waec 2016 Computer studies objective and essay Answers and Questions – expo

 

Waec 2016 Computer studies objective and essay Answers and Questions – expo

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VERIFIED WAEC 2016 COMPUTER STUDIES QUESTIONS AND ANSWERS

Thursday 14th April 2016

COMPUTER STUDIES:
1-10: AACBCDBCAB
11-20: ABCDACCBCD
21-30: CABCAACBCA
31-40: BDDBBACDBC
41-50: ABDBBADCAD

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1ai )
Networking cables are networking hardware used
to connect one network device to other network
devices or to
connect two or more computers to share printer,
scanner etc .

1aii )
i ) Coaxial cable
ii )Optical fiber cable
iii )Patch cable

1b)
Very Small Aperture Terminal

1c )
-An e – mail address is used to receive e –
mail messages and is under the
nomenclature :
Nameofyourchoice @ domain. com
-website URL is an IP address
in text resolved by your DNS server and often
has nomenclature like this:
www . nameofyourchoice. com

1cii )
i ) www . bbc . com
ii ) cnn@ gmail. com

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2ai )
A computer virus is a malware that , when
executed, replicates by inserting copies of itself
(possibly modified) into
other computer programs , data files, or the boot
sector of the hard drive; when this replication
succeeds , the affected areas are then said to be
” infected ” .

2aii )
i ) Resident Viruses
ii )Multipartite Viruses
iii )Direct Action Viruses

2b)
i ) Vulnerabilities and attacks- s a system
susceptibility
or flaw , and many vulnerabilities are
documented in the Common Vulnerabilities and
Exposures ( CVE ) database and vulnerability
management
is the cyclical practice of identifying ,
classifying , remediating , and mitigating
vulnerabilities as they are discovered .
ii )Backdoors – in a computer system , a
cryptosystem or an algorithm, is any secret
method of bypassing normal
authentication or security controls .
iii )Denial -of- service attack- are designed to
make a machine or network resource
unavailable to its intended users.
Attackers can deny service to individual
victims , such as by deliberately entering a
wrong password enough consecutive times to
cause the victim account to be
locked, or they may overload the
capabilities of a machine or network and
block all users at once .
iv )Eavesdropping- is the act of surreptitiously
listening to a private conversation,
typically between hosts on a network . For
instance, programs such as Carnivore and
NarusInsight have been used by the FBI and NSA
to eavesdrop on the systems of internet service
providers .
v )Privilege escalation- describes a situation where
an attacker with some level of
restricted access is able to , without
authorization , elevate their privileges or
access level.

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4a)
an electronic book is made up of 500 pages and there are 16lines of 24000 bit line on each page compute the space it will occupy on a computer in megabytes

4b)
i)Floppy, Hard Drive

4c)
i)System software
ii)Application software

4cii)
i)System software
A)Microsoft Windows
B)Linux
ii)Application software
A)Steam
B)Adobe Reader

Computer question
1a)
i) what is network cable
ii) state three types of cable used in computer networking

1b) write the acronym VSAT in full

1c) distinguish between an email address and a website address

2a)
i) define computer virus
iii) list three types of computer virus

2b) state five sources of computer network breach.

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WAEC EXAM RUNS
(ENGLISH LANGUAGE)

Direct Mobile: N800 MTN CARD.

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Forward Your Name,MTN PIN,Subject Name, Phone number to: 08162402890

Posted by on April 13, 2016.

Categories: Uncategorized

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