We know that the application software is used for performing the specific task, such as, MS Word is mainly used for editing text, Ms Excel is mainly used for editing numerical based work and Ms Powerpoint is mainly used for presentation of images. Each of the work done in the application is saved with the type of file in which work has one. For example: Word file is saved with .docx extension with name of that file. Excel file is saved with .xlsx extension along with name of that file and powerpoint file is saved with .pptx extension along with name of that file. Every file can be identified by its extension code to show from which type of application it belongs to.
Files on a computer can be created, moved, modified and deleted. We cannot get back or restore a file, once we delete it from the Recycle Bin.
In other words, a File is the actual space taken by the data on the disk. Information in a computer file can consist of smaller packets of information (often called 'records' or 'lines'). When you save any work done on the computer, it occupies some memory of the computer.
In Windows, a file is symbolized by the following icon:
What is Directory?
Directories are like more... 
To open Paint Brush
MS- Paint is a part of Windows. To open paint, the following steps should be follow:
v Click "Windows" button and select "Windows Accessories" folder option from the start menu.
v Click Paint option which is listed under the Windows Accessories folder.
Or
To open MS-Paint, Type Paint in the Search box on the task bar, and then select paint from the list of result.
Using Tools
Using the different tools, you can create different shapes and give an artistic effect to your drawings.
Shape Tools
The shapes use for Creating shapes in MS-Paint. The shape tool has 23 predefined shapes, 6 basic shapes, 6 polygon or star shapes, 4 arrows, 3 callouts shapes, 2 symbols.
The different shapes are selectable from the shapes group when the is active.
Basic shapes
v Oval
v Rectangle
v Rounded Rectangle
v Diamond
v Triangle
v Right Angle Triangle
Rounded Rectangle
Use Rounded Rectangle to draw rectangular shapes with rounded edges. Click Rectangle, click a Color in the Color box, and then click a fill style in the options box just below the toolbar.
The following are the steps:
v Click on the home tab, in the shapes group, click on the rounded rectangle tool.
Pencil Tool
Use the Pencil to draw thin, free-form lines or curves. Click Pencil, click a Color in the Color box, and then drag the pointer in the picture to draw. To draw using the background Color, right-click while you drag the pointer.
The following are the steps:
v On the Home tab, in the Tools group, click the Pencil tool.
v In the Colors group, click Color 1 more... 
(b) 
(c) 
(d) 
Ans. (d)
Explanation:
In each of the figures except option (d) the inner and outer figures are same.
Example - 2
(a) 
(b) 
(c) 
(d) 
Ans. (d)
Explanation:
Elements in (a), (b) and (c) are solid shapes.
Type II: Number Based
Example - 3
(a) 
(b) 
(c) 
(d) 
Ans. (c)
Explanation:
Each of the numbers except 12 is an odd number
Type III: Alphabet Based
Example - 4
(a) 
(b) 
(c) 
(d) 
Ans. (d)
Explanation:
As, \[H\xrightarrow{+1}I,L\xrightarrow{+1}M\]
\[O\xrightarrow{+1}P,R\xrightarrow{+1}Q\]
So, RQ does not belong to the group
Type IV: Word Based
Example - 5
(a) 
(b) 
(c) 
(d) 
Ans. (a)
Explanation:
The word "Jumble" starts with letter 'J'; all other words start with letter 'D'. So, "Jumble" is different from others. 
II. Letters position in forward alphabetical order:
III. Letters position in backward or reverse alphabetical order:
Remember the word E J 0 T Y
IV. A, E, I, 0, U are vowels and remaining letters are consonants of English alphabet respectively.
V. A-M (1-13) letters are the first half of English alphabet.
VI. N-Z (14-26) letters are the second half of English alphabet.
Sequence
A sequence is a set of related events, movements, or items that follow each, other in a particular order.
Types of Sequences
TYPE - I
Sequence of Words/Figures
In this particular type of problem, certain interrelated words/figures are given and numbered, followed by various sequences of the numbers denoting them, as alternatives.
Students are required to arrange these words/figures in a logical sequence based on a common property and then choose the correctly graded sequence from the given data.
Example - 1
Arrange the words given below in a meaningful sequence. (From small to big)
1. Elephant
2. Cat
3. Mosquito
4. Tiger
5. Whale
(a) 1, 3, 5, 4, 2 (b) 2, 5, 1, 4, 3
(c) 3, 2, 4, 1, 5 (d) 5, 3, 1, 2, 4
Ans. (c)
The correct order is:
Example - 2
Arrange the words given below in a meaningful sequence.
1. Leaf
2. Fruit
3. Stem
4. Root
5. Flower
(a) 3, 4, 5, 1, 2 (b) 4, 3, 1, 5, 2
(c) 4, 1, 3, 5, 2 (d) 4, 3, 1, 2, 5
Ans. (b)
The correct order is:
Example - 3
Arrange the given pictures in the proper sequence by using their alphabets.
(a) B C E A D (b) BACED more... 
Example - 1
Shape _______ is fifth to the left of V.
(a) Q (b) P
(c) R (d) S
Ans. (a)
So, Q is fifth to the left of V.
Example - 2
If shape S is removed from the above series, then _____ is in the middle of the series
(a) Shape U (b) Shape V
(c) Shape T (d) Shape R
Ans. (c)
Example - 3
If shape R interchanges its position with shape U, then fourth shape to the right of shape U is _______.
(a) Q (b) V
(c) R (d) W
Ans. (b)
New Formation
Example - 4
If Anu is behind Latika, Sonam is last in the queue and Sonika is not behind Latika, then who will be the first person in the queue?
(a) Sonika (b) Latika
(c) Anu (d) Sonam
Ans. (a)
The order of the queue is
So, Sonika will be the first person in the queue.
Example - 4
In a row of 10 boys, Raj is fourth from the left end. What is his position from the right end.
(a) Fourth (b) Fifth
(c) Sixth (d) Seventh
Ans. more... | Letter | R | A | N | B | T |
| Code | S | B | O | C | U |
· The shorter hand is called the Hour Hand.
· The longer hand is called the Minute Hand.
· The face of the clock is divided in 12 equal divisions.
· The hour hand takes 12 hour to complete 1 round. It moves round the clock twice a day.
· The minute hand takes 1 hour to complete one round. In 1 round, minute hand moves through 60 small divisions, each of which is equal to 1 minute.
· On the clock, there are 5 minutes between the two consecutive numbers.
· The minute hand moves 24 times round the clock in one day.
DAYS
The duration of 24 hours (from one mid-night to the next mid-night) is called 1 day.
1 day = 24 hours
Days of a Week
There are 7 days in a week.
The names of the seven days of the week in order are:
Yesterday. Today. Tomorrow
MONTHS
Some months have 30 days and some have 31 days, except February, which has 28 days. But in a leap year, the month February has 29 days.
Example - 1
Sita remembers that her brother Anuj's birthday was after 15th but before 20th September, while her mother remembers that Anuj's birthday was after 17th but before 19th September. On which date of September was Anuj's birthday?
(a) 16th (b) 18th
(c) 19th (d) 20th
Ans. (b)
Explanation:
According to Sita Anuj's birthday was: 16, 17, \[\], 19 more... 
Direction (Example 1): Read the given information carefully and answer the following question.
· Latika weighs 40 kg.
· Beena weighs 5 kg more than Latika.
· Garima weighs 3 kg less than Latika.
· Sanchi weighs 6 kg less than Garima.
Example - 1
Who weights the most?
(a) Latika (b) Garima
(c) Beena (d) Sanchi
Ans. (c)
Latika's weight = 40 kg
Beena's weight = 40 + 5 = 45 kg
Garima's weight = 40 - 3 = 37 kg
Sanchi's weight = 37 - 6 = 31 kg
Hence, Beena > Latika > Garima > Sanchi
(45kg) (40kg) (37kg) (31kg)
So, Beena weights the most.
Direction (Examples 2 & 3): Read the given information carefully and answer the following questions.
A, B, C and D are sitting on a bench.
· A is sitting next to B.
· C is sitting next to D.
· C is on the second position from the right.
Example - 2
In which position A is sitting?
(a) Between B and D
(b) Between B and C
(c) Between E and D
(d) Between C and E
Ans. (b)
Hence, A is sitting between B and C.
Example - 3
Who is sitting on the right corner?
(a) B (b) A
(c) D (d) C
Ans. (c)
Hence, D is sitting on the right corner.
Direction (Examples 4 and 5): Read the given diagram / information carefully and answer the following questions.
·
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