NECO COMPUTER ANSWERS 2020

Computer-Obj!

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Computer Theory answers 2020

(1a)

(i)Ctrl + F¹¹ —>lock a field so it can not be edited 

(ii)Ctrl + T —>  create a hanging indent

(iii)Shift + F¹¹ —> jump to pervious field in a document

(iv))Ctrl + R —> Align Right

(1b)

(i)it must be correct and accurate

(ii)it must be properly arranged

(iii)it must be useful

(iv)it must be fresh and comprehensive

(1c)

(i)broadbands system

(ii)low error rates

(iii)it provide greater bandwidth system wide

(iv)it support a mixed range of service

(3a)

(i)data representation is defined as the form in which data is stored, processed and transmitted 

(3aii)

(i)Registered jack (RJ-11); it is used to connect telephone equipment 

(ii) universal serial bus (USB); it is use to connect peripheral device such as mice, modern, keyboard, printers to the computer

(iii)Fiber local connector; it is for single mode and multi mode fibre- optic cable

(iv)F-Type; it is used for cable and universally for satellite television

(3bi)

Binary coded decimal; this use 4 – bit to present each decimal digit in a number for example to represent the number 23, there will be two group of four bit each 

0010. 0011

    2.        3

(3bii)

Extended binary coded decimal interchange code; this may be described as 8-bit coded system. It can conveniently be used to represent decimal digit 0 to 9 upper case or lower case letters and extra characters.

(4ai)

Presentation package is define as a software program that provide the resources necessary to give a profession presentation for meeting, lectures, speeches or other similar situation.

(4aii)

(i)Mobile editing

(ii)creative design tools

(iii)online sharing 

(iv)technical support

(4bi)

Data bus; the data bus allow data to travel back and forth between the micro-processor (CPU) and memory (RAM)

(4bii)

Address bus; the address bus came information about the location of data in memory

(4biii)

Control bus; the control bus carries the signals that make sure everything is flowing smoothly from place to place.

(5a)

Tabulate.

-Application software-

(i)spreadsheet

(ii)desktop publishing

-Two examples-

-spreadsheet-

(i)microsoft excel

(ii)lotus 1-2-3

-desktop publishing-

(i)corel draw

(ii)microsoft word

(5bi)

CC: it stands for carbon copy; it is a way of sending copies of email to other people whereas  the list of all the recipient can be seen by other recipients.

(5bii)

BCC; it stands for blind carbon copy; it is a way of sending copies of email to other people whereas other recipients would not be able to see that someone else has been sent a copy of the e-mail.

(5biii)

Domain name; this is a name; it is an address where internet user can access one’s website. It is simply a human readable from of an IP address

Make sure you share… Good luck.