Computer Questions and Answers from class I to VIII (CBSE /NCERT/SEBA)

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class viii chapter 4 Introduction to Microsoft Access 2010

D. Answer the following questions. 1. Name the two views in which you can create a table in access. Describe one of them. Ans: Access allows tables to be created of the views which are , a) Datasheet view. b) Design view. Datasheet view : Datasheet view helps to enter and display data, and insert , delete , rename or move a field in an existing table. 2.What do you define in field grid of design view window? Ans: Field grid of the design view window is used to define the field name,the data type and it's description. 3. Give brief answers. a) Including spaces, what is the maximum length permissible for a field name? Ans: 64 characters . b) where does the record reside in a table set with a primary key? Ans: Any new record entered is physically Stored as the last record. c) When is the primary key set in a table? Ans: Primary key is set during the table design. d) What happens to the sequence of a primary key ...

class viii Introduction to Database

D. Answer the following questions.

class vii chapter 1 Number system and computer arithmetic

D. Answer the following questions. 1. What are the symbols used in binary system? Ans: 0 and 1. 2. Why do computer use binary number system? Ans: Because computer circuits can only understand two digits , 0 and 1. 3. Write the rules to convert decimal into binary numbers. Ans: write down the decimal number and continuously divide by 2 to give a result and a reminder of either a 1 or 0 untill the final result equals to zero. 4. What are the rules to be followed for binary addition? Ans: The rules are as follows, 1. 0+0=0 2. 0+1=1 3.1+0=1 4.1+1=10, here 0 is written under the same column and 1 is moved to next place as carry over. 5.1+1+1=10+1=11. 5. What is octal number system? How will you convert a binary number to octal number? Ans: Octal number system is base 8 system. It uses the symbols 0 to 7. To convert from binary to octal we have to group the binary numbers from the least significant bit in group of 3 bits, each of the group is then expres...

class viii chapter 6 Introduction to Photoshop

Excercise D. Answer the following questions. 1. What are the main application of the Adobe Photoshop? Ans: The main application of Adobe Photoshop are Layers, selection tools, pen tools , shapes, vector mask, slice tool, retouching tools, photoshop 3D, smart objects, creative cloud. 2. Describe the use of the following tools briefly: a) crop: it used to cut out the portion of a figure that we wish to keep. b) Marquee: it is used to select a part of an image. Selection is marked by a rectangular or an ellipse formed around the part. c) Quick selection : this tool automatically finds the edges around part of an image. d) Magic wand : it automatically select the adjacent area having the same colour in an image. e) Move : this tool is used to move the selected part of an image to a new location in the workspace. f) Paint bucket: This tool is used to fill a part of an image with a selected colour. g)Eye dropper : It picks the colour f...

class I chapter 7 Storing Data

Storing Data

class v chapter 4 Styles and objects in word

D. Answer these questions. 1. When is creating styles especially useful? Ans : It is time consuming to do format every time the sub heading apprears. In this purpose creating styles especially useful. 2. What is the wordart feature used for? Ans: We can use wordart to give special effects to text. 3.What is an object in MS word? Ans : An object in MS word is any non text component that can be placed in a word document,for example pictures, screenshots, clipart etc. 4.What is a text box? How will you resize a text box? Ans : A text box is a place holder in which we can place text and take it anywhere in our document. To resize the text box click and drag a corner of the box . 5. Describe the shapes feature in MS word. How will you add text to a shape? Ans : Shapes is a drawing feature in word that help we draw lines, triangle, rectangle, circles and other basic shapes, as well as shapes like arrow , Stars and banners. To insert a sha...

chapter 6 class vi Functions in Excel 2010

C. Answer the following questions. 1. What are functions in Microsoft excel? How are they different from formulas used in Excel? Ans : A function is a predefined formula in Excel, which does quick computations for a specified range of values. Excel includes many common function that can be used to do calculations quickly,like finding the sum , average , maximum value and minimum value for a range of cells. 2. State what results will the following functions give: Ans: a) =SUM(A1:F1) : this function will give the sum of the numbers of the cell from A1 to F1. b) =MAX(B1:B10) : This function helps us to find the largest number from the cell B1 to B10. c) = AVERAGE (C6:H6): This function will let us to find out the average of range of cells from C6 to H6. d)=COUNT(A9:Z9) : This function helps us to find the physical count of entries in a range of cells from A9 to Z9.