balkon köse takimi antika esya alanlar

Computer Science Class 9 Chapter 8 MCQs With 3 Tests

9th Class Computer Science Chapter 8 Introduction To Windows MCQs TEST 1:

0

Computer Science Chapter 8 – Introduction To Windows Test 1

1 / 20

Control panel allows you to customize which of the following feature?

2 / 20

Computer virus is simply a?

3 / 20

The OS windows was introduced by?

4 / 20

Which statement is not true for windows?

5 / 20

A mouse controls Icons by a?

6 / 20

The controlled area on the screen is called?

7 / 20

What will be the storage capacity of floppy disk of 3.5 inch is?

8 / 20

The disk drive labeled with B: specified the?

9 / 20

This option allows installation and removal of printers from the computer?

10 / 20

The function of antivirus is?

11 / 20

Which of the following is not a windows application?

12 / 20

 Which of the following is not the function of OS?

13 / 20

Shutdown command?

14 / 20

Ms Windows is a?

15 / 20

Which of the following disk may have multiple partitions?

16 / 20

In a file ABC.txt the file extension is?

17 / 20

Antivirus is?

18 / 20

Kelz is a?

19 / 20

Windows is a?

20 / 20

The file extension of sound file is?

Your score is

The average score is 0%

0%

9th Class Computer Science Chapter 8 Introduction To Windows MCQs TEST 2:

0

Computer Science Chapter 8 – Introduction To Windows Test 2

1 / 15

The file created in Microsoft Access database is?

2 / 15

Which of the following operating systems is commonly used in personal computers?

3 / 15

The Windows operating system is used in personal computers about?

4 / 15

Desktop view is?

5 / 15

Start is?

6 / 15

Which among the following is not an icon?

7 / 15

Folders are?

8 / 15

What appears after we turn on a computer and load windows?

9 / 15

Major source of virus is?

10 / 15

It may be a program or a set of program that can cause extensive damage to your computer system?

11 / 15

Which of the following functions is difficult with a mouse?

12 / 15

Hourglass shape of mouse pointer indicates?

13 / 15

On the right side for?

14 / 15

Which of the following is used to change the system defaults or properties of the computer?

15 / 15

To change the background of the desktop ..... on the desktop?

Your score is

The average score is 0%

0%

9th Class Computer Science Chapter 8 Introduction To Windows MCQs TEST 3:

0

Computer Science Chapter 8 – Introduction To Windows Test 3

1 / 15

Once the selected program starts, a small icon appears on the?

2 / 15

The bar at the bottom is?

3 / 15

The menu having options like programs, favorites, documents, setting, find, run etc is?

4 / 15

What are called the small computer programs which are used to destroy other computer programs?

5 / 15

The first thing which we see after logging into the computer is?

6 / 15

GUI is more?

7 / 15

Which of the following is not the control menu?

8 / 15

We can shutdown computer by pressing?

9 / 15

What are called the small computer programs which are used to protect computers?

10 / 15

GUI stands for?

11 / 15

It launches the internet explorer browser?

12 / 15

Which of the following is true about a floppy disk?

13 / 15

Which of the following icons of windows is used to access different disk drives of computers?

14 / 15

It offers an easy to reach location where we can store and retrieve important data?

15 / 15

In my computer we can access?

Your score is

The average score is 0%

0%

Computer Science Class 9 Chapter 7 MCQs With 3 Tests

9th Class Computer Science Chapter 7 Computer Software MCQs TEST 1:

0

Computer Science Chapter 7 – Computer Software Test 1

1 / 20

DOS is a?

2 / 20

The DOS command for creating a new subdirectory is?

3 / 20

System software can be subdivided into?

4 / 20

Clearing the screen?

5 / 20

Finding the DOS version?

6 / 20

Multi user operating and Multitasking operating system?

7 / 20

REN command?

8 / 20

Application software can be subdivided into?

9 / 20

GUI stands for?

10 / 20

Which of the following is not an example of application software?

11 / 20

Which of the following is not an example of system?

12 / 20

The system software is used to control the?

13 / 20

Operating system is a software?

14 / 20

Set of programs that coordinate the computers software and hardware is called?

15 / 20

Example of command line interface is the command prompt provided by?

16 / 20

“It reduces the size of stored text files.” The statement is true for which of the following choices?

17 / 20

The interface provided by a matrix of row and column for manipulate with numeric data is called?

18 / 20

UNIX is a?

19 / 20

DOS is a user operating system?

20 / 20

Which of the following operating systems does not provide networking features?

Your score is

The average score is 0%

0%

9th Class Computer Science Chapter 7 Computer Software MCQs TEST 2:

0

Computer Science Chapter 7 – Computer Software Test 2

1 / 15

Which of the following does not contain instructions in machine language?

2 / 15

NT stands for?

3 / 15

Which DOS command is used to delete one or more specified files from the disk?

4 / 15

Which software controls basic I/O devices?

5 / 15

Which is the most user-friendly OS?

6 / 15

Which of the following file contains DOS internal command?

7 / 15

How many types of DOS commands are there?

8 / 15

UNIX operating system is developed in language?

9 / 15

Disk operating system are named because of the fact that they?

10 / 15

Floppy disk drive is recognized by?

11 / 15

The special files of DOS are?

12 / 15

If A:My is written on DOS prompt it means?

13 / 15

 C:binyour.bat means?

14 / 15

 Which of the following DOS commands is used to change from current directory to the root of the drive?

15 / 15

Which of the following DOS commands is used to make a new directory?

Your score is

The average score is 0%

0%

9th Class Computer Science Chapter 7 Computer Software MCQs TEST 3:

0

Computer Science Chapter 7 – Computer Software Test 3

1 / 15

Which of the following commands is used to delete a directory?

2 / 15

How many wildcards are used in DOS?

3 / 15

Dir can have which of the following parameters?

4 / 15

Prompt St means?

5 / 15

To view all files in the current directory that has names containing the characters “ab” and having extension “exe” the command is written as?

6 / 15

Which command is used to copy one or more files and subdirectories in a directory?

7 / 15

Which command is used to delete all files and subdirectories in a directory?

8 / 15

Which command is used in DOS to display the volume label and serial number if they exist?

9 / 15

The command DIR???.* displays files that have?

10 / 15

 Which of the following commands is used to set or reset attributes of files?

11 / 15

The general syntax of DATE command is DATE [mm-dd-yy] in which the value of mm may be?

12 / 15

Which of the following command is used to see the volume label and serial number of disk?

13 / 15

How many characters can be used to assign a volume label of a disk?

14 / 15

Which of the following commands is used to check errors on the disk and to fix these errors?

15 / 15

Which of the following commands is used to display the directory structure of a drive or path?

Your score is

The average score is 0%

0%

Computer Science Class 9 Chapter 6 MCQs With 3 Tests

9th Class Computer Science Chapter 6 Boolean Algebra MCQs TEST 1:

1

Computer Science Chapter 6 – Boolean Algebra Test 1

1 / 20

Boolean algebra was formulated by English Mathematician George Boole in?

2 / 20

If Z is a Boolean variable then its value can be?

3 / 20

Which of the following are basic logical operators in Boolean algebra?

4 / 20

The operator that gives complement of the given value is called?

5 / 20

If A = 1 and B = 0 then A And B = ?

6 / 20

Boolean Algebra is the __ of logic?

7 / 20

..... uses symbols to represent logical statements instead of words?

8 / 20

If A = 1,B = 0 then A and B = ?

9 / 20

If A =1, B=1, C=O then A+B+C = ?

10 / 20

If A = 1 ,B =0, C = 1 then X = A + B + C ?

11 / 20

A + B = B + A and A . B = B. A represents which of the following?

12 / 20

Boolean Algebra was formulated by the ?

13 / 20

According to distributive law A . (B + C ) = ?

14 / 20

According to Existence of identity element A . 1 ?

15 / 20

As per Existence of inverse A + A Z ?

16 / 20

Computer chips are made up of ?

17 / 20

According to inverse the output will be 0 if ?

18 / 20

Boolean Algebra consists of In Boolean Algebra each variable at one time can take how many values?

19 / 20

AND operator represent ?

20 / 20

In Boolean algebra each variable at a time can take how many values?

Your score is

The average score is 0%

0%

9th Class Computer Science Chapter 6 Boolean Algebra MCQs TEST 2:

0

Computer Science Chapter 6 – Boolean Algebra Test 2

1 / 14

Which is called an unary operator?

2 / 14

All electronic devices consist of circuits of?

3 / 14

A switch at any given time is in one of the states?

4 / 14

Which operator is used for logical multiplication?

5 / 14

Which of the following operations are used by the Boolean Algebra?

6 / 14

Logical addition refers to operation of ?

7 / 14

A serial circuit is represented by ?

8 / 14

Boolean Algebra derives its name form the British mathematician?

9 / 14

 A Boolean variable can only have one of the two values?

10 / 14

An OR gate has at least inputs ?

11 / 14

An AND gate has at least inputs ?

12 / 14

A parallel circuit is represented by ?

13 / 14

Two valued Boolean Algebra is a set that has elements and operations

In order to get high output in AND gate all the input must be?

14 / 14

The output of the NOT gate is always the ......of the original value?

Your score is

The average score is 0%

0%

9th Class Computer Science Chapter 6 Boolean Algebra MCQs TEST 3:

0

Computer Science Chapter 6 – Boolean Algebra Test 3

1 / 15

Which of the following is a proposition?

2 / 15

In the representation of Boolean function, the A bar is assigned the value?

3 / 15

The table that represents the output of a Boolean expression for all possible combination of input is called?

4 / 15

Which of the following logical operator is denoted by + sign ?

5 / 15

Boolean Algebra deals with ?

6 / 15

Truth table show all possible combinations of ?

7 / 15

Boolean operators and Boolean variables combine to form Boolean ?

8 / 15

Who did overcome the disadvantages of Boolean algebra laws for simplification of expression?

9 / 15

Which is Boolean constant ?

10 / 15

 X, Y are called ?

11 / 15

we can use it to change the order of evaluation of operations in a Boolean expression?

12 / 15

A truth table of a two variable expression will always have?

13 / 15

 f ( x, y ) = x + y is a ?

14 / 15

Standard product is known as?

15 / 15

Standard sum is known as?

Your score is

The average score is 0%

0%

Computer Science Class 9 Chapter 5 MCQs With 3 Tests

9th Class Computer Science Chapter 5 Number Systems MCQs TEST 1:

0

Computer Science Chapter 5 – Number Systems Test 1

1 / 20

The ASCII is a code?

2 / 20

The EBCDIC is a code?

3 / 20

The collection of facts and figures is called?

4 / 20

The data after processing is called?

5 / 20

The set of characters including 26 characters of English alphabets and 10 decimal digits is called?

6 / 20

Computers directly understand digits?

7 / 20

Computer did not directly understand?

8 / 20

45, 26, 15, 40 is a?

9 / 20

Data is classified into typed?

10 / 20

Binary numbers are?

11 / 20

Real data contains numbers, which may be?

12 / 20

The base of decimal number system is?

13 / 20

The data is represented on a computer by means of a two state ON and OFF system called?

14 / 20

The base of binary number system is?

15 / 20

The base of octal number system is?

16 / 20

The binary number system is used in?

17 / 20

The base of hexadecimal number system is?

18 / 20

Alphanumeric characters are expressed in terms of binary codes. In ASCII each character is represented as a?

19 / 20

2’s complement of 1011.1 is?

20 / 20

I’s complement of 1011.1 is?

Your score is

The average score is 0%

0%

9th Class Computer Science Chapter 5 Number Systems MCQs TEST 2:

0

Computer Science Chapter 5 – Number Systems Test 2

1 / 15

A byte consist of nibbles?

2 / 15

10° =?

3 / 15

The digit from 0 to 9 are called?

4 / 15

The binary equivalent of ( 20)10 is?

5 / 15

The decimal equivalent of ( 20)10 is?

6 / 15

Decimal number system consists of?

7 / 15

453 =?

8 / 15

The decimal equivalent of (10)s is?

9 / 15

(236)10 = (?) 10 ?

10 / 15

(A)16 =?

11 / 15

In 645 the most significant digit is?

12 / 15

In 724 the least significant digit is?

13 / 15

The number system that contains the range of 10 number and 6 alphabets is?

14 / 15

(0001)= (?)

15 / 15

Binary digits are denoted by?

Your score is

The average score is 0%

0%

9th Class Computer Science Chapter 5 Number Systems MCQs TEST 3:

0

Computer Science Chapter 5 – Number Systems Test 3

1 / 15

01001(2) in decimal system is equal to?

2 / 15

I’s complement of 01110 is?

3 / 15

In binary number system 0 + 0 =?

4 / 15

In binary number system 1 X 0 =?

5 / 15

ASCII for 6 is equal to?

6 / 15

Which of the following is not a real number?

7 / 15

In Hexadecimal number system the value of E is?

8 / 15

The value of hexadecimal digit A is ?

9 / 15

The number 822 represent the?

10 / 15

Add 01011101 and 00110010?

11 / 15

The binary equivalent of decimal number (3)10 is?

12 / 15

The binary equivalent of (F)16 is ?

13 / 15

The hexadecimal equivalent of binary number (101001)2 is?

14 / 15

The most commonly used character for transmission are?

15 / 15

In scientific notation power of 10 is called?

Your score is

The average score is 0%

0%