Thursday, December 10, 2020

class-7 slot-1 Computer Revision Question

EVENTS CONVENT HIGH SCHOOL

70,LALA LAJPAT RAI COLONY, BAGH DILKUSHA

SLOT 1 COMPUTER REVISION QUESTIONS

CLASS-7

 

      A.Choose the Correct options:-

1.         __________Introduced the concept of zero.

a.       Aryabhat( √)                            b.Charles babbage

2.      For converting decimal numbers into binary number ,divide the number by ________.

a.       10                                            b.2( √)

3.      In Binary multiplication, 1*1= ?

a.       1( √)                                         b.0

4.      A computer understands ___________language,

a.       Human                                     b.Binary( √)

5.      ________Function finds the largest number in a range.

a.       MIN                                         b.MAX( √)

6.      ______referene is the combination of relative and absolute referece.

a.       Hybrid                                     b.Combined( √)

7.      _____ returns the remainder when the number is divided by the divisor

a.       Power( √)                                 b.EXP

8.      _____ Function returns square root of a number.

a.       SQRT ( √)                                b.Square

9.      _____ is a row in the data base that contains data about one object or a person.

a.       Field                                        b.Record( √)

10.  A ______ is a dialog box which offers a simple way for entering and displaying a complete row of information or record.

a.       Form( √)                                  b.Database

11.  The _______feature of MS Excel enables you to have a look at only those records which you wish to dosplay.

a.       Sorting                                     b.Filter( √)

12.  _______Restricts the cell entries within a given range.

a.       Filter                                        b.Data Validation( √)

        B.Fill in the blanks:-

1.      The decimal number system contains (0-9) digits.

a.       0-10                          b.0-9( √)

2.      The face value of a digit is dependent on its Position in the number.

a.       Filled                                    b.Position( √)

3.      The Hexadecimal number system contains 16 digits (0-9) and (A-F)

a.       (0-9) & (A-F) ( √)     b. (1-10) & (A-E)

4.      The Binary number is based only on two numbers   0  and  1

a.       0 & 1 (√)                   b.0 & 10

5.      Basic formulas are the ones that have only one operator in the formula

a.       Standard                   b.Basic( √)

6.      Cell reference is the cell address present in the formula

a.       Cell reference( √)      b.absolute  cell reference

7.      Excels displays three worksheet by defalt.

a.       Four                          b.Three ( √)

8.      Except edit  no other operation can be defined on text.

a.       Crop                         b.Edit( √)

9.      Data base refers to a collection of data which is related to particular subject.

a.       Data base ( √)                       b.Data sharing

10.  Field is a column in a data base table which consists of only one type of data.

a.       Base                          b.Field( √)

11.  Field name is a column label for the field in  a data base.

a.       Field name( √)                      b.Field database

12.  Data validation is required for restricting the cell entries within a given range.

a.       Data validation( √)    b.Data interpretation               

 

C.Write True and False of the following:-

1.      The octal number system contains 10 digits                                            

a.       [False] ( √)                               b.[True]                      

2.      1 multiplied with 0 in binary equals to 1                                                 

a.       [False]                                      b.[True] ( √)

3.      Charles Babbage introduce the concept of 0                                           

a.       [Fale] ( √)                                 b.[True]

4.      The number in octal number are 1 to 7                                                   

a.       [False] ( √)                               b.[True]

5.      Only simple calculation can be easily performed with the help of functions

a.       [False] ( √)                               b.[True]

6.      Variables are the numbers or text values that do not change                   

a.       [False]                                      b.[True] ( √)

7.      X+y/z is an example of basic compound formula                                               

a.       [False]                                      b.[True] ( √)

8.      INT() function returns numbers rounded off the nearest integer             

a.       [False]                                      b.[True]( √)

9.      The field name appears in multiple rows 

a.       [False] ( √)                               b.[True]

10.  A database is a dialog box which offers a simple way for entering and displaying a complete row of info

a.       [False] ( √)                               b.[True]

11.  Searching is the process of arrangement of data in the ascending or descending order in a worksheet

a.       [False] ( √)                               b.[True]

12.  The filter features if MS Excel enables you to have a look at only those records which wish to display

a.       [False]                                      b.[True] ( √)

 

D.Answer the following questions :-

Que-1 What do you understand by database?

Ans-1 Database refers to a collection of data which related to a particular subject.

             Que-2 What is the sorting feature in Excel?

Ans-2 Sorting is the process of arrangement of data in the ascending or descending             order in a worksheet.

             Que-3 What do you mean by formula?

Ans-3Formula are used for doing calculations which involve addition ,subtraction                 ,division  and  multiplication. It develops a relationship between multiple cells.

             Que-4 What are the rules to convert a decimal number into a binary number?

            Ans-4 For converting  a decimal number into its equivalent binary number

             Follow the steps given below

            1.Divide the decimal number by 2

            2.Note down the remainder and then divide the quotient again by 2

            3.Continue repeating step 2 until the quotient becomes Zero.

             Que-5 What do you mean by formula?

            Ans-5 Formula are used for doing calculations which involve addition, subtraction, division and multiplication.It develops a relationship between multiple cells.

 

 

 

 

 


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