Nabteb 2016 I.C.T  Essay and Obj & Theory Answer Now Available -MAY/JUNE

COMPUTER OBJ

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1ai)

Hybrid computers are computers that exhibit features of analog computers and digital computers. The digital component normally serves as the controller and provides logical and numerical operations.

1aii)

analog computer is a computer that represents data by measurable quantities, as voltages or, formerly, the rotation of gears, in order to solve a problem, rather than by expressing the data as numbers.

1aiii)

The fourth generation computer is based on the microprocessor. And is proceed in 1970 to 1980, Microprocessors employ Large Scale Integration (LSI) and Very Large Scale Integration (VLSI) techniques to pack thousands or millions of transistors on a single chip.

1bi)

computer keyboard is the set of typewriter-like keys that enables you to enter data into a computer and other devices.in other words Computer keyboards are similarto electric-

typewriter keyboards but contain

additional keys.

1bii)

i)Input devices

ii)Output devices

 

2a)

information technology is the study or use of systems (especially computers and telecommunications) for storing,retrieving, and sending information.

2aii)

i)The Fund for Internet Research and

Education (FIRE Africa):-is designed to encourage, support and develop

innovative online solutions to Africa’s

education, information, infrastructure

and communication needs.

ii)The International Network for

Postgraduate Students in the area of

ICT4D (IPID):-is an academic network for ICT4D researchers established in Spring 2006. The network aims to promote

collaboration between graduate students(doctoral and masters) and senior researchers and practitioners.

iii)Aptivate:-In 2003 Aptivate was founded as a nonprofit company limited by guarantee in Cambridge, UK, to solve the problems aid workers experienced accessing the internet in low bandwidth environments.

iv)United Nations Information and Communication Technologies Task

Force:-was formed to address a variety of ICT4Dev topics. The Task Force held semi-annual meetings focusing on specific themes, including a Global Forum on Internet Governance (UN headquarters in New York, March 2004); a Global Forum on an Enabling Environment (Berlin,

November 2004); and a Global Forum on

Harnessing the Potential of ICTs in

Education (Dublin, April 2005).

2b)

operating system is the low-level software that supports a computer’s basic functions, such as scheduling tasks and controlling peripherals.

2bii)

i)Unix – Linux

ii)MacOS

iii)Windows

iv)DOS

2c)

i)Process Management : The Operating System also Treats the Process Management means all the Processes those are given by the user or the Process those are System ‘s own Process are Handled by the Operating System .

ii)Memory Management: Operating System also Manages the Memory of the Computer System means Provide the Memory to the Process and Also Deallocate the Memory from the Process.

iii)Extended Machine : Operating System also behaves like an Extended Machine means Operating system also Provides us Sharing of Files between Multiple Users, also Provides Some Graphical Environments and also Provides Various Languages for Communications and also Provides Many Complex Operations like using Many Hardware’s and Software’s.

iv)Mastermind: Operating System also performs Many Functions and for those Reasons we can say that Operating System is a Mastermind.

2d)

Step 1: Open Windows Live Mail from the shortcut icon on your desktop or the

option on your ‘Start’ menu.

Step 2: You’ll need to add your email account – either your webmail or other

account if you have one – Click Accounts at the top of the window.

Step 3: Choose Email from the options at the top of the screen.

Step 4: Add your email account information in the boxes provided,

including your email address and account password

Step 5: If you want to make this account your default so that it always opens in

this inbox, tick ‘Make this my default

email account’ – otherwise leave blank.

Step 6: When you’ve completed the information, click Next.

Step 7: If you’re adding a webmail account, you may be advised (in Step 4) that you need to enable some settings in

your webmail account so that you can

access your email through Windows Live

Mail.

Step 8: Now that your email account has been added

Step 9: Click Home. Your account will now be shown on the left-hand side, in

the ‘Folders’ section. Any emails received

will be shown in the centre.

Step 10: To see all the folders – such as ‘Mail’, etc. – in your account, click on

the small arrow to the left of the name of each main folder.

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5a)

i)Cut

ii)Paste

iii)Undo

iv)Zoom

5b)

i)pop-up menu is a menu in a graphical user interface (GUI) that appears upon user interaction, such as a right-click mouse operation.

ii)menu bar a horizontal bar, typically located at the top of the screen below the title bar, containing drop-down menus.

iii)clipart is the simple pictures and symbols made available for computer users to add to their documents.

iv)property tool bar is a row of boxes, often at the top of an application window that control various functions of the software. The boxes often contain images that correspond with the function they control.

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