Icons and Mouse pointer
Icons are small graphical images that can represent your computer's programs, files/folders and printers. To work with the Windows software, the first step is to learn arrow to use a mouse. Whenever you start Windows, a mouse pointer will appear on the Desktop. The mouse pointer looks like an arrow. It has a tip and a body. It helps you to point, click or double click on various items on the desktop. (See Figure 2.7.4)
There are many small graphic/pictures on the desktop. What are the small pictures present on the desktop called?
(A) Cursor
(B) Icons
(C) Pointer
(D) Folder
Answer: (D)
Explanation
Correct Option:
(B) Icons are the small pictures present on the desktop.
Incorrect Options:
(A) Cursor: Is the vertical line blinking on the screen.
(C) Pointer: Is the arrow like image on the desktop.
(D) Folder: Is like a small book used for keeping files.
Match the following
A B
1. Recycle bin i. Clicking
2. Icons ii. Unwanted file
3. Mouse iii. Graphical Symbols
(A) 1, iii; 2, ii; 3, I
(B) 1, ii; 2, i; 3, iii
(C) 1, i; 2, ii; 3, iii
(D) 1, ii; 2, iii; 3, i
Answer: (D)
Explanation
Correct Option:
(D) Option (D) is matched correctly. In recycle bin unwanted files are kept Icons are the small graphical symbols and mouse is clicked.
Incorrect Options:
(A) Option (A) is matched incorrectly.
(B) Option (B) is matched incorrectly.
(C) Option (C) is matched incorrectly. 
Desktop Screen
When you first switch on your machine, the Windows operating system loads and the first screen which appears is called the Desktop. Desktop refers to the main background area. It is like your personal work area. Actually you get a feel of what is inside your computer. Several icons of small pictures are located on the left side of the Desktop. Icons are the symbols kept on the desktop for opening that particular file. You can use your Desktop for many tasks such as opening programs, copying files, connecting to the Internet and so on. You may have used the Paint icon in your computer lab for drawing pictures.
When you switch on the computer, the window OS load on it. The first screen which appears when you start Windows is called_______________. (A) Programs
(B) My Documents
(C) Recycle Bin
(D) Desktop
Answer: (D)
Explanation
Correct Option:
(D) The first screen which appears after Windows has been loaded is called Desktop.
Incorrect Options:
(A) Programs: Are a sequence of instructions written to perform a specified task.
(B) My Documents: Is the name of a special folder on the computer's hard drive that the system commonly uses to store a user's documents.
(C) Recycle Bin: Is a container used to hold recyclable before they are taken to recycling centers.
Desktop is used for doing many tasks. Which of the following tasks is/are performed on the desktop?
1. For opening programs
2. For copying files
3. Connecting to the internet
(A) Only 2
(B) 1 and 3
(C) All of these
(D) None of these
Answer: (C)
Explanation
Correct Option:
(C) Desktop is used for doing many tasks such as opening programs, copying files, connecting to the Internet, etc.
Incorrect Options:
(A) Not only 2 is correct but 1 and 3 are also correct use of desktop.
(B) Not only 1 and 3 are the correct use but 2 is also a correct use.
(D) All the given options are the uses of desktop. 
Starting Window
Windows is a wonderful program because you can do many things with it such as playing games, listening to music and painting at the same time. Let's learn how to work with Windows. You don't have to do anything special to start Windows. When you switch on the computer, Windows will start automatically.
Windows in user-friendly, multitasking operating system. It can open and urn different programs simultaneously. Which of the following windows is/are used as an operating system?
1. Window 2000
2. Window Vista
3. Window 7
4. Window 2
(A) 1 and
(B) Only 2
(C) All of these
(D) 1, 2 and 3
Answer: (D)
Explanation
Correct Option
(D) Option (D) is correct.
Incorrect Options:
(A) Option (A) is incorrect
(B) Option (B) is incorrect
(C) Option (C) is incorrect
Windows XP is the operating system. To manually start windows XP with clean boot, which of the following steps is/are correct?
1. Start the system configuration utility.
2. Configure selective startup options.
3. Log on to windows.
4. Optional step to disable features.
(A) 1 and 2
(B) 2 and 3
(C) 1 and 4
(D) All of these
Answer: (D)
Explanation
Correct Option:
(D) All the given steps are necessary.
Incorrect Options:
(A) Only 1 and 2 are not necessary but all the given steps are required.
(B) Only 2 and 3 are not necessary but all the given steps are required.
(D) Only 1 and 4 are not necessary but all the given steps are required. 
Information
Information is organized or processed data. For example, 85, 90 and 30 are numbers i.e. data. By themselves, they do not reveal what they are. However, if they are written as:
Subject Marks
English 85
Science 90
Mathematics 30
Then they become meaningful and are referred to as information.
Few statements are given below; select which of them are correct.
1. An output that computer generates after processing the sets of data is called as information.
2. Computer is a processing device.
3. Fact and figure are the data.
Which one of the following options is correct?
(A) 1 and 2 are correct
(B) 2 and 3 are correct
(C) All of these are correct
(D) none of these are correct
Answer: (C)
Explanation
Correct Option:
(C) In the computer you enter data in the form of fact and figure. Then computer processes it and you get output.
Incorrect Options:
(A) Option (A) is incorrect.
(B) Option (B) is incorrect.
(D) Option (D) is incorrect.
Which one of the following options is correct?
(A) The Input is called DATA
(B) The output (Result) is called INFORMATION
(C) Both (A) and (B) are false
(D) Both (A) and (B) are true
Answer: (D)
Explanation
Correct Option:
(D) Input that you feed to the computer is known as data and the output that you get from the computer is known as information.
Incorrect Options:
(A) Not only option (A) is correct but option (B) is also correct, that's why option (A) is incorrect.
(B) Not only option (B) is correct but option (A) is also correct, that's why option (B) is incorrect.
(C) Both statements are correct that's why option (C) is incorrect.
Types of Data
Data is divided into three types:
Alphabetic Data
There are twenty - six alphabets in English language. These 26 alphabets are used to represent alphabetic data. It consists of capital letters from A to Z, small letters from a to z and blank space. Alphabetic data is also called non numeric data.
Read the statements given below and select the correct statement.
1. A person's name would be rejected if it contained any numeric data.
2. A bank-account number would be rejected if it contained any alphabetic data.
(A) Only 1 is correct
(B) Only 2 is correct
(C) Both are correct
(D) none of these
Answer: (C)
Explanation
Correct Option:
(C) Both statements are correct.
Incorrect Options:
(A) Not only stat.1 is correct but stat 2 is also correct.
(B) Not only 2 is correct but 1 is also correct.
(D) None of these are incorrect.
Hary asked teacher- what is alphabetic data? Teacher: Alphabetic data consists of letters of alphabets and blanks space. Examples of these types of data are United Kingdom, Raymond, etc. Is teacher correct in his/her explanation?
(A) Yes, Teacher is right
(B) No, Teacher is incorrect
(C) Partially correct
(D) Can't say
Answer: (a)
Explanation
Correct Option:
(A) Teacher is correct.
Incorrect Options:
(B) Since teacher is correct that's why Option (B) is incorrect.
(C) Option (C) is incorrect.
(D) Option (D) is incorrect.
Numeric Data
Numeric data is made up often digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, two signs (+ and -) and decimal point. There are different types of number system that are used to. Represent numeric data. These number systems are decimal number system, binary number system, octal number system and hexadecimal number system.
There are different number systems that are used by the computer. Which of the following number systems is/are used by the computer?
(A) Decimal number system
(B) Octal number system
(C) Hexadecimal number system
(A) Only (A)
(B) Both (A) and (B)
(C) All of these
(D) None of these
Answer: (c)
Explanation
Correct Option:
(C) Decimal, octal, hexadecimal, etc are the different types of number systems.
Incorrect Options:
(A) more... 
Basics of Data
The word data is plural of datum, which means fact or raw information. Data is the combination of characters, numbers and symbols collected for a specific purpose.
Thus we see that Data is a collection of facts from which conclusions may be drawn. When the raw data is given to the computer and the computer processes it and gives us the desired result, the data becomes useful and is called information.
Data is a very common word in computer. It is in plural form. What is the singular form of Data?
(A) Datam
(B) Datic
(C) Datium
(D) Datum
Answer: (D)
Explanation
Correct Option:
(D) Datum: Is the singular form of data.
Incorrect Options:
(A) Option (A) is incorrect.
(B) Option (B) is incorrect.
(C) Option (C) is incorrect.
The following are the statements about data: Which of the following statements is/are correct?
1. Data can be Words
2. Data can be Pictures
3. Data can be Numbers
(A) 1
(B) 2
(C) 3
(D) 1, 2, 3
Answer: (d)
Explanation
Correct Option:
(D) Data can be words, pictures, numbers or any special symbols.
Incorrect Options:
(A) Option (A) is incorrect.
(B) Option (B) is incorrect.
(C) Option (C) is incorrect. 
Data and Information
When you look at the words in the first case, the group of words does not make any sense. This is known as Data. It is just a bunch of words. But the second sentence makes complete sense and we call this Information. (See Figure 2.6.1)
Numeric Keys
The number keys contain the numbers from 0 9. You can write numbers using them. (See Figure 2.5.3)
There are certain numbers of numeric key on the keyboard. It starts from ____ and end at ____.
(A) 1 - 12
(B) 3 - 16
(C) 0 - 9
(D) 12 - 24
Answer: (C)
Explanation
Correct Option:
(C) On a Keyboard, numeric keys are from 0-9.
Incorrect Options:
(A) 1 - 12: Function key starts from F1 and end at F12.
(B) 3 - 16: is wrong option.
(D) 12 - 24: is wrong option.
Why there is a numeric key pad on the keyboard though there are keys above the alphabet keys in the keyboard?
(A) In numeric keypad Keys are in compact form
(B) It is easy to use as it is at the bottom of keyboard
(C) It can be used if the number keys destroyed
(D) None of these
Answer: (A)
Explanation
Correct Option:
(A) Numeric keypad is in compact form that's why number keys are given above the alphabet keys in the keyboard.
Incorrect: Options:
(B) Option (B) is incorrect.
(C) Option (C) is incorrect. 
Other Important Keys
Other Important Keys keyboard with the space bar, shift, enter, backspace, Arrow keys and Del keys highlighted In addition to the keys discussed above there are some other important keys which have a special purpose. Let us learn about them.
Space Bar
The Space Bar helps us to give space between the words. It is the longest key on the keyboard. Press Space Bar once to give the space of one
character. To give more space, press this key a number of times.
Shift
This key helps you to type the signs on top of the numeric keys.
Enter
This key helps us to move to the next line. While typing, you just press the Enter key to start writing from a new line.
Backspace Key
This key is just like the eraser you use while doing homework. If you have written something wrong on the computer then you can erase it by using the Backspace key. This key helps to erase the letters to the left side of the cursor. The cursor is the blinking line that you see on the screen of the computer. It looks like.
Delete Key
This key helps to erase the letters to the right side of the cursor.
Arrow Keys
The Arrow keys help in moving the cursor in all the directions (left, right, up or down). Hence they are also called cursor control keys. There are four arrow keys.
While writing a poem on the computer Steve commits few mistakes. He wants to delete the wrong written words. Which one of the following keys he should use to delete the wrong words
(A) Shift
(B) Enter
(C) Backspace
(D) Arrow
Answer: (c)
Explanation
Correct Option:
(C) Backspace key helps to erase characters from the left side of the cursor.
Incorrect Options:
(A) Shift: Key functions with the help of other key.
(B) Enter: Key is used after completing the line.
(D) Arrow: Keys help you to move the cursor in different directions. more... 
Function Keys
Insert image of a keyboard with the function keys highlighted Function Keys can be defined as special purpose keys. These function keys provide some interesting shortcuts for common computer functions that can be useful for you. There are twelve function keys from F1 - F12. For example, generally F1 is used to activate 'Help 'menu.
Function keys are special types of keys having their own specific uses. In MS word, function key F6 is used for _____.
(A) Activating Find word
(B) Activating Grammar
(C) Activating Spelling and Grammar
(D) None of these
Answer: (c)
Explanation
Correct Option:
(C) In MS word F6 is used for activating the option Spelling and Grammar.
Incorrect Options:
(A) Option (A) is incorrect.
(B) Option (B) is incorrect.
(D) Option (D) is incorrect.
There are _______function keys on the top of the keyboard, marked _______to ______.
(A) 20, F0, F19
(B) 18, F1, F18
(C) 12, F1, F12
(D) 4, F1, F4
Answer: (c)
Explanation
Correct Option:
(C) There are 12 function keys on the top of the keyboard, marked from F1 to F12.
Incorrect Options:
(A) Option (A) is incorrect.
(B) Option (B) is incorrect.
(D) Option (D) is incorrect. 
You need to login to perform this action.
You will be redirected in
3 sec
