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Waec 2017 Computer Obj And Theory Answers – May/June Expo

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

COMPUTER-OBJ
1ACDCBDDCCC
11BADDCBBCDB
21BACAACCACA
31ABADDCDCCB
41DBDDCBCCDB
==========================
5a)
10110112
=1*2^6+0*2^5+1*2^4+1*2^3+0*2^2+1*2^1+1*2^0
=1*64+0*32+1*16+1*8+0*4+1*2+1*1
=64+0+16+8+0+2+1
=91
tabulate
16|91
5 r B
O r 5
10110112=5B16
were B is 11
5b)
HACKER
i) A hack group getting main
owner on an XAT chat without
authorization.
SCAMMER
ii)Tricking an internet user into
giving you his/her login name and
password
5c)
i)HTML:Hypertext Markup
Language
ii)HTTP: Hypertext Transfer
Protocol
iii)ISP: Internet Service Language
iv)SMTP: Simple Mail Transfer
Protocol.
==========================
4a)
complet the table
1)RAM is volatile i.e. its contents
are
lost when the ddevice is powered
off. ROM is non-volatile i.e. its
contents
are retained even when the device
is
powered off.
2)RAM allows the computer to
read
data quickly to run applications. It
allows reading and writing.
ROM stores the program required
to
initially boot the computer. It only
allows reading.
4b)
i)Searching and Organizing
ii)Ease of Access Center
iii)Default Programs
iv)Remote Desktop Connection
4c)
i)antivirus programs
ii)registry cleaners
==========================
1a)
An input device is any hardware
device that sends data to a
computer, allowing you to interact
with and control the computer.
1b)
i)key board
ii)The mouse
1c)
i) Logic gates are digital
components that
typically work two levels of
voltage and
determine how a component
conducts
electricity.
ii) Logic gates use Boolean
equations and switch tables.
1di)
A,B
OR —-)—- A+B
1dii)
and gate
A—- AB
B—- AND
==========================
Completed

 

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Myedujobnews Official

Adeyemo Adewale Ayomide is the founder and editor of MyEduJobNews. He loves to share education news from various sources to keep readers informed.

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About Author

Myedujobnews Official

Adeyemo Adewale Ayomide is the founder and editor of MyEduJobNews. He loves to share education news from various sources to keep readers informed.

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