Computer applications questions.

With vivid examples , Explain various computer generations.

List and describe the function of computer.

With examples , mention and explain at least four roles of operating systems.

During the 1990s,(1) self-employment grew faster than (2) wage employment as a whole in most(3) Developed countries. This contrasts with the 1970s, when the share of self-employment tended to fall. At the smae time, (4) THE PROPORTION OF SELF-EMPLOYED with employees which had been falling during the 1970s and 1980s, stabilized during the 1990s. In some countries , an important part is growth, particularly during the 1980s, has come from women. The structure of self-employment is thus tending to become more like that of employment as a whole. (5) Indeed the distinction between self-employment and wage employment may have weakened   On average, the working conditions of the self employed seems to be less favourable than those of employees doing similar works, and they are
 less likely to report training , or the use of computers.

State the following options in the formatting  tool bar used to format the text lablled (1),(2),(3),(4) and (5) in the paragraphs above.

>A word processing software has so many features that one can acquire through learning and practice. From your experience attempt the following questions.

1.     Mention any two compactible file types/extensions for a Ms Word file.
2.     "Ctrl + U" is a keyboard shortcut for?
3.     If some keys of your keyboard are not functioning properly, what is the best immediate alternative you can use? provided you can not have it repaired or replaced.
4.     If I want to send a letter to different people , what feature should I use in Ms Word processor in order to achieve so , provided I have their names and addresses?
5.     What is the keyboard short cut for opening the font screen?
6.     To simplify editing your text, what is the mouse shortcut for selecting a complete word?
7.     What is the difference between automatic and manually created table of contents?

A computer is an electronic machine used to create ,edit store receive and send information.

What is microsoft Excel?

Which enables us to send the same letter to different persons?

• macros
• template
• mail merge
• none

Programs that coordinate computer resources, provide an interface between users and the computer and run applications are called

• utilities
• Operating systems
• device drivers
• language translators

In order for a computer to understand a program, it must be converted into machine language by ____

• operating system
• utility
• device driver
• language translator

____ refers to a computer`s ability to run more than one application at the same time.

• serial computing
• Operating system
• parallel computing
• multitasking