Data processing
1a. Digitization of data is the process of converting information into a digital format . In this format, information is organized into discrete units of data (called bit s) that can be separately addressed (usually in multiple-bit groups called byte s).
(ii)
- Increased data efficiency
- Risk mitigation
(iii)
- Supercomputer and Mainframe
- Minicomputer
(b)
(i)
1) They were fast and more reliable.
2) High level language was developed.
(ii)
- Joystick
- Keyboard
(c)
(i)
An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system.
(ii)
Disk Operating System
Windows.
2a)data is information that
has been translated into a form that is
more convenient to move or process.
3.
(ai)
word processing is the use of computer software to create edit, view, store, retrieve and print text documents
(ii)
– ability to display graphic
– ability to mail merge document
(bi)
Ms-office 2003
MS – office 2007
(ii)
spreadsheet: is an electronic document in which data is arranged in the rows and columns of a grid and can be manipulated and used in calculations
(iii)
Ms excel & LOtus
(ci)
To save document in Ms word
– click on the office button
– select save from the displayed options
– select the drive or directory to store the document by clicking on the arrow on the save in combo box
– click on the file name, type the desired document name
-click on save button
(ii)
(a) CTRL X = this cuts (removes) a selected/highlighted copy and paste it on the clipboard
(b) CTRL V = this inserts the copy on the clipboard into the area where your flashing cursor is positioned or the area you have selected
1a. Digitization of data is the process of converting information into a digital format . In this format, information is organized into discrete units of data (called bit s) that can be separately addressed (usually in multiple-bit groups called byte s).
(ii)
- Increased data efficiency
- Risk mitigation
(iii)
- Supercomputer and Mainframe
- Minicomputer
(b)
(i)
1) They were fast and more reliable.
2) High level language was developed.
(ii)
- Joystick
- Keyboard
(c)
(i)
An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system.
(ii)
Disk Operating System
Windows.
2a)data is information that
has been translated into a form that is
more convenient to move or process.
3.
(ai)
word processing is the use of computer software to create edit, view, store, retrieve and print text documents
(ii)
– ability to display graphic
– ability to mail merge document
(bi)
Ms-office 2003
MS – office 2007
(ii)
spreadsheet: is an electronic document in which data is arranged in the rows and columns of a grid and can be manipulated and used in calculations
(iii)
Ms excel & LOtus
(ci)
To save document in Ms word
– click on the office button
– select save from the displayed options
– select the drive or directory to store the document by clicking on the arrow on the save in combo box
– click on the file name, type the desired document name
-click on save button
(ii)
(a) CTRL X = this cuts (removes) a selected/highlighted copy and paste it on the clipboard
(b) CTRL V = this inserts the copy on the clipboard into the area where your flashing cursor is positioned or the area you have selected
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