1.
Answer Briefly:
(1)Describe the operating system.
Ans. An operating
system is a set of instruction which controls data, data storage and
information.
(2)What is CUI?
Ans. It uses text or
commands, typed through the keyboard to help the user communicate with the
computer.
(3)What is GUI?
Ans. It uses graphic
objects to help the user to interact with computer. In the windows operating
system, commands are given by clicking on small pictures, symbols and words.
(4)Explain booting?
Ans. The program stored
in the ROM checks the basic input and output devices and then loads the
operating system. This sequence of operations is called booting.
(5) Which are the two types of booting? Explain.
Ans. they are of two
types –
(1) Warm booting: Warm
booting is resetting the computer, were operating system is already on by
pressing ctrl + alt +delete keys.
(2) Cold booting: a
cold boot is the start of computer from the beginning. Computer always starts
with cold booting.
2.Answer in one
sentence:
(1)What are icons?
Ans. On the desktop you
can see several small pictures with labels. These graphical questions are
called icons.
(2)What is a status bar?
Ans.The horizontal bar
below the work area is called the status bar.
(3)What is the window desktop?
Ans. Desktop is the
control center of window. Desktop has small icons that run certain important
programs we frequently use.
3.Name the following.
(1) Which is the
most popular operating system?
Ans. Windows Operating
system.
(2) Name the windows sizing buttons on the title
bar.
Ans. Maximize, Minimize
and close button.
(3) Name two
operating systems.
Ans. Windows Operating
system and Linux operating system.
(4) Name any
three components of a program window.
Ans. Menu bar, Toolbar
and Title bar.
4. Explain the use of maximize and restore buttons.
Ans. When a program
window occupies the entire screen on the Desktop. The widow is said to be
maximized.. When widow is maximized, the middle button is restore button.
Clicking this button makes the window smaller size. Once small, the middle
button changes to maximize, indicating if you click on this button now, the
window will be maximized.
5.Fill in the blanks:
(1) A graphical symbol
on the Desktop is called Icon.
(2) Ctrl + Alt + Del Reboot the computer.
(3) DOS has a character
user interface.
(4) Linux operating
system was developed by Travalds linus.
(5) Below the title bar
is Menu bar.
(6) The narrow bar at
the bottom of the Desktop is called Double Click.