228 + Mcqs in Computers Science Page 1 McqOptions

1.	Which one of the following tools is used for drawing straight line?
A.	Line tool
B.	Straight tool
C.	Scale tool
D.	Pencil
E.	Ellipse tool
Answer» B. Straight tool

Discussion

2.	After switching on the computer, a small program is there in computer that places the operating system of a computer into memory. Which one of the following typically loads the operating system for the computer?
A.	CPU
B.	POST
C.	Boot loader
D.	UPS
E.	None of these
Answer» D. UPS

Discussion

3.	Fill in the blanks: 1. ______is a set of command and program. 2. _____ is a set of data. 3. _____ is a place where files are kept. 4. ____ is a symbol which you view on the computer screen.
A.	Icon, folder, file, OS
B.	OS, folder, icon. File
C.	OS, file, folder, icon
D.	File. OS, icon, folder
E.	Folder, icon, folder, file
Answer» D. File. OS, icon, folder

Discussion

4.	Read the given statements and identify the comparison given is correct or not. 1. The pages and the ink are the hardware, while the words, sentence, paragraph and the overall meaning are the software. 2. A computer without software is like a book full of blank pages. You need software to make the computer useful just as you need words to make a book meaningful.
A.	Statement 2 is correct, statement 1 is incorrect
B.	Statement 1 is correct, statement 2 is incorrect
C.	Both the statements are partially correct
D.	Both are correct
E.	Both are incorrect
Answer» E. Both are incorrect

Discussion

5.	This is a data storage medium that is composed of a disk of thin, flexible, magnetic storage medium encased in a square or rectangular plastic shell. What is it?
A.	CD
B.	A floppy disk
C.	DVD
D.	All of these
E.	None of these
Answer» C. DVD

Discussion

6.	The POST checks the entire memory and tests the connections of the various hardware devices attached with the computer. What is the full form of POST?
A.	Power On Self Test
B.	Power Off Self Test
C.	Program On Self Test
D.	Process On Start Time
E.	None of these
Answer» B. Power Off Self Test

Discussion

7.	The Paint Brush opens and saves files by default in windows 10 with a _____ extension.
A.	.docx
B.	.pptx
C.	.png
D.	.txt
E.	None of these
Answer» D. .txt

Discussion

8.	Taylor and Waugh are talking about the topic of correct posture of using computer. Who is correct? Taylor: Grasp mouse tightly and forcefully while working on a computer. Waugh: You should steal other's information as it may be useful for us in future.
A.	Taylor is correct
B.	Waugh is correct
C.	Both are correct
D.	Both are incorrect
E.	Both are partially correct
Answer» E. Both are partially correct

Discussion

9.	Read the given statements and select the correct one. 1. The file extension of text file is .txt. 2. The file extension of paint file is .ppt. 3. File is a block of directory. File extension is the first part of a file.
A.	Only 1
B.	1, 2 and 3
C.	3 and 4
D.	All of these
E.	None of these
Answer» B. 1, 2 and 3

Discussion

10.	Teacher to students: The computer of second generations had smaller size, less power requirement and greater processing speed as compared to first generation computers. It had various models. Now, give me the name of few models of 2nd generation computers. Which student has given correct answer?
A.	Student!-IBM 1401
B.	Student2-IBM 2000
C.	Students-IBM 1900
D.	Student4-MS 2000
E.	Students-IBM 0002
Answer» B. Student2-IBM 2000

Discussion

11.	Match the two columns on the basis of their year of invention. A B 1. Leibnitz machine i. 1821 2. Pascaline ii. 1694 3. Jacquard's Loom iii. 1642 4. Difference engine v. 1801
A.	1, iv; 2, iii; 3, ii; 4, i
B.	1, ii; 2, iii; 3, iv; 4, i
C.	1, iii; 2, iv; 3, i; 4, ii
D.	1, ii; 2, i; 3, iv; 4, iii
E.	1, i; 2, ii; 3, iii; 4, iv
Answer» C. 1, iii; 2, iv; 3, i; 4, ii

Discussion

12.	Microprocessor is one of the indispensable parts of the computer. It is actually a ___________.
A.	Chip
B.	Transistor
C.	IC
D.	AI
E.	None of these
Answer» B. Transistor

Discussion

13.	Match the following: S.No. A S.No. B 1. POST i. Loads main OS 2. Booting ii. Power on process 3. Boot loader iii. Process of loading
A.	1\[\to \]ii, 2\[\to \]iii, 3\[\to \]i
B.	1\[\to \]iii, 2\[\to \]i, 3\[\to \]ii
C.	1\[\to \] i, 2\[\to \]ii, 3\[\to \]iii
D.	1\[\to \]iii, 2\[\to \]ii, 3\[\to \]i
E.	1\[\to \]ii, 2\[\to \]i, 3\[\to \]iii
Answer» B. 1\[\to \]iii, 2\[\to \]i, 3\[\to \]ii

Discussion

14.	The POST checks the entire memory and tests the connections of the various hardware devices attached with the computer. What do you mean by the POST?
A.	Power On Self Test
B.	Power Off Self Test
C.	Program On Self Test
D.	Process On Start Time
E.	None of these
Answer» B. Power Off Self Test

Discussion

15.	Fill in the blanks: 1. A ________ is the initial set of operations that the computer performs when power is switched on.2. The process of loading _____ the operating system is called _______.3. _______ loads the main operating system to the computer.
A.	TASK, Boot sequence, Boot loader and OS
B.	Boot sequence, copying, Booting process and Boot loader
C.	POST, Restoring, Booting process and hardware
D.	Boot sequence, Cutting, Booting Process and Booting.
E.	None of these
Answer» C. POST, Restoring, Booting process and hardware

Discussion

16.	Read the given conversation between Peterson and Jackson. They are discussing about boot loader. Select whose statements are correct. Peterson: A Computer's central processor can only execute program code found in ROM and RAM. Modern OS and application program code and data are stored on non volatile data storage devices, such as hard disk drives, CD, etc. Jackson: When a computer is first powered on, it does not have an operating system in ROM and RAM. The computer must initially execute a small program stored in ROM along with the bare minimum of data needed to access the non volatile devices from which the operating system programs and data are loaded into RAM.
A.	Peterson is correct
B.	Jackson is correct
C.	Both are partially correct
D.	Both are correct
E.	Both are Incorrect
Answer» E. Both are Incorrect

Discussion

17.	China plays an important role in the field of inventing calculating devices. Which was the first calculating device invented by the Chinese?
A.	Chang su calculator
B.	Napier's bones
C.	Leibnitz calculator
D.	Abacus
E.	None of these
Answer» E. None of these

Discussion

18.	To make a curved line, you must first draw a
A.	Straight line
B.	line with brushed tool
C.	line with Pencil tool
D.	Curve line
E.	None of these
Answer» B. line with brushed tool

Discussion

19.	Kathy spends eight hours daily on computer. She feels uncomfortable to sit in a proper posture more than half an hour. So more often she sits in a wrong posture to make herself comfortable. How will this affect her health?
A.	It can cause back ache and eyesight problem
B.	It can cause stomach ache
C.	It can cause chest pain
D.	All of these
E.	None of these
Answer» B. It can cause stomach ache

Discussion

20.	Computer helps you very much and has many advantages also. Despite that it has few disadvantages also. Which one of the following is a major disadvantage of computer?
A.	It cause social isolation
B.	It damages to physical development
C.	It damages to intellectual development
D.	All of these
E.	None of these
Answer» E. None of these

Discussion

21.	Given below is the information about computer ethics and correct posture. Distinguish them correctly. 1. A branch of practical philosophy which deals with how computing professionals should make decisions regarding professional and social conduct. 2. Overuse injuries develop over time and may set in more quickly if you spend long hours sitting at a computer at home, as well as at work. 3. In Moreland?s model, a list of options is generated by considering relevant factors relating to the problem. 4. Check that there is enough room below the work surface to comfortably fit your knees and thighs.
A.	Computer ethics-1 and 2; Correct posture- 3 and 4
B.	Computer ethics-1 and 3; Correct posture- 2 and 4
C.	Computer ethics-1, 2 and 3; Correct posture- 4
D.	Computer ethics-1; Correct posture- 2, 3 and 4
E.	Computer ethics- 4; Correct posture-1, 2 and 3
Answer» C. Computer ethics-1, 2 and 3; Correct posture- 4

Discussion

22.	Match the following: A B 1. Hardware i. Display screen ii. Ideas 2. Software iii. Printers iv. Concepts v. Chips
A.	1- iii, v; 2- i, ii, iv
B.	1- iii; 2- ii, iv, v
C.	1- i, iii, v; 2- ii, iv
D.	1- iii, iv, v; 2- i, ii
E.	1-i,iii; 2-ii, iv, v
Answer» D. 1- iii, iv, v; 2- i, ii

Discussion

23.	While working on computer Russell has deleted one important file mistakenly. Now he wants to restore the file. From which location he can restore his file.
A.	My document
B.	My computer
C.	Any icons
D.	Recycle bin
E.	None of these
Answer» E. None of these

Discussion

24.	Select the correct statements: 1. You can use floppy without formatting. 2. After inserting floppy, it is automatically asked for formatting. 3. Exit is a termination command in many operating systems.
A.	2 and 3
B.	1 and 2
C.	1 and 3
D.	Only 1
E.	All of these
Answer» B. 1 and 2

Discussion

25.	Steve draws a picture on the computer. But he is not satisfied with he is drawings. So he wants to change its colour and edit the picture. Which one of the following programs he should use to do the same?
A.	Notepad
B.	MS Word
C.	MS Excel
D.	Paint Brush
E.	WinWord
Answer» E. WinWord

Discussion

26.	Read the statement given below and select the correct one. 1. Polygon is a figure having only one side. 2. Brush tool is used to paint thick or shaped free form lines and curves. 3. You can use the Rectangle tool to draw rectangular shapes like boxes. 4. Circle is drawn with the help of pencil.
A.	1 and 2
B.	1 and 3
C.	3 and 4
D.	2 and 3
E.	All of these
Answer» E. All of these

Discussion

27.	While drawing a picture Richard commits a mistake. Now he wants to remove the portion that is drawn mistakenly. Name the tool which is used for removing the picture/drawings.
A.	Sharpener tool
B.	Rubber tool
C.	Eraser tool
D.	Rub tool
E.	None of these
Answer» D. Rub tool

Discussion

28.	Select the correct statements: 1. Do not access files without the permission of the owner. 2. We should not delete the unwanted files regularly. 3. Manage your files and folders in an appropriate manner.
A.	Only 1
B.	2 and 3
C.	1 and 3
D.	Only 3
E.	All of these
Answer» D. Only 3

Discussion

29.	Match the following A B 1. Ethics i. Intellectual property right 2. Postures ii. Netiquette 3. Cyber laws iii. Wrist on the desk
A.	1, i; 2, iii; 3, ii
B.	1, ii; 2, i; 3, iii
C.	1, iii; 2, ii; 1, i
D.	1, ii; 2, iii; 3, i
E.	1, i; 2, ii; 3, iii
Answer» B. 1, ii; 2, i; 3, iii

Discussion

30.	Read the conversation and identify who is correct. Maria: In the context of computer games, ethics are defined by applying moral values and principles prevalent in reality to the virtual world of the computer game and player's role in it. Jennifer: Technological advancement do not allow graphical representation on screen to be more lifelike than at the introductory stage of computer games.
A.	Jennifer is correct
B.	Maria is correct
C.	Both are partially correct
D.	Both are correct
E.	None of them are correct
Answer» C. Both are partially correct

Discussion

31.	Which one of the following is not an image file?
A.	.pmp
B.	.png
C.	.wmv
D.	.jpg
E.	None of these
Answer» D. .jpg

Discussion

32.	In MS Paint, a picture can be skewed.
A.	horizontally
B.	Vertically
C.	Both A and B
D.	Only Rectangular
E.	None of these
Answer» D. Only Rectangular

Discussion

33.	Match the following: A B 1. Small icon i. Upper left 2. Taskbar ii. Bottom Left 3. Computer clock iii. Bottom of the desktop
A.	1, iii; 2, i; 3, ii
B.	1, i; 2, iii; 3, ii
C.	1, i; 2, ii; 3, iii
D.	1, ii; 2, iii; 3, i
E.	1, ii; 2, i; 3, iii
Answer» C. 1, i; 2, ii; 3, iii

Discussion

34.	Steve is very fond of magnet. He often takes the magnet piece with himself wherever he goes. One day he takes the magnet in a computer room. His friend advised him not to take the magnet in the computer room. Steve wants to know the reason for it. Which one of the following is the reason?
A.	Magnets can damage the data stored in the RAM.
B.	Magnets can damage the keyboard.
C.	Magnets can damage the mouse.
D.	Magnets can damage the monitor.
E.	None of these
Answer» E. None of these

Discussion

35.	Given below are the names of some devices that are attached with computer to do some specified work. Which one of the following device is used to listen to music on the computer?
A.	Joystick
B.	Speaker
C.	Scanner
D.	Webcam
E.	None of these
Answer» C. Scanner

Discussion

36.	Given below the information about different terms used in computer. Identify which of them are valid terms. 1. Middleware refers to the link between the hardware and the software. 2. Hardware refers to the physical components of the computer. 3. Human ware refers to the people operating the computer. 4. Animal ware refers to the computer that provides us information about animals.
A.	1 and 2
B.	2 and 3
C.	1, 2 and 3
D.	All of these
E.	None of these
Answer» D. All of these

Discussion

37.	Drawing on a computer is difficult activity for Lina. Actually she wants to draw a smooth and curve line for her project on a computer. But she does not know how to do it? Which one of the following tool she should use to do the same?
A.	Line tool
B.	Curve tool
C.	Smooth tool
D.	Circle tool
E.	None of these
Answer» C. Smooth tool

Discussion

38.	Given below is the information about different generation of computers. Match the two columns. A B 1. 2nd generation i. It uses Artificial Intelligence. 2. 3rd generation ii. It uses Microprocessors. 3. 4th generation iii. It uses Transistors. 4. 5th generation iv. It uses Integrated Circuits.
A.	1, iii; 2, iv; 3, ii; 4, i
B.	1, iv; 1, iii; 3, i; 4, ii
C.	1, ii; 2, iii; 3, i; 4, iv
D.	1, i; 2, ii; 3, iii; 4, iv
E.	1, iv; 2, iii; 3, ii; 4, i
Answer» C. 1, ii; 2, iii; 3, i; 4, iv

Discussion

39.	Given below are the parts of devices. Match the following A B 1. Pascaline Machine i. Bones and Rods 2. Napier's bones ii. Beads 3. Abacus iii. Chain and Toothed Wheels
A.	1, i; 2, iii; 3, ii
B.	1, ii; 2, iii; 3, i
C.	1, iii; 2, ii;3, i
D.	1, iii; 2, i; 3, ii
E.	1, ii; 2, i; 3, iii
Answer» E. 1, ii; 2, i; 3, iii

Discussion

40.	Given below are the devices and their types. Match the two columns on the basis of their types. 1. Pascaline i. Electro-mechanical 2. Napier's bones ii. Automatic 3. Analytical engine iii. Manual 4. Mark-1 iv. Mechanical
A.	1, iv; 2, iii; 3, ii; 4, i
B.	1, iii; 2, i; 3, iv; 4, ii
C.	1, ii; 2, iii; 3, i; 4, iv
D.	1, i; 2, ii; 3, iii; 4, iv
E.	1, iii; 2; iv; 3, i; 4, ii
Answer» B. 1, iii; 2, i; 3, iv; 4, ii

Discussion

41.	Now days there are lots of OS available in the market. Which one of the following is the example of OS?
A.	Keyboard
B.	Mouse
C.	UNIX
D.	Monitor
E.	None of these
Answer» D. Monitor

Discussion

42.	Every file has its own extension. What is the extension of a pair application file?
A.	.doc
B.	.bmp
C.	.ppt
D.	.txt
E.	None of these
Answer» C. .ppt

Discussion

43.	Match the following given units: A B 1. Byte i. 4 bits 2. Megabyte ii. 1024MB 3. Gigabyte iii. 1024 KB 4. Nibble iv. 8 bits
A.	1, iv; 2, iii; 3, ii; 4, i
B.	1, i; 2, ii; 3, iii; 4, iv
C.	1, iii; 2, ii; 3, iv; 4, i
D.	1, ii; 2, iii; 3, i; 4, iv
E.	1, iv; 2, ii; 3, iii; 4, i
Answer» B. 1, i; 2, ii; 3, iii; 4, iv

Discussion

44.	Fill in the blanks: 1. A computer________ is a block of data for storing information. 2. ________ is a place where same types of files are stored. 3. ______ is also called directory. 4. One digit in binary number system is called ________.
A.	Bit, Folder, Folder and File
B.	Directory, Directory, Folder and Bit
C.	File, Directory, Folder and Bit
D.	File, Files, Folder and Byte
E.	File, Directory, Folder and Nibble
Answer» D. File, Files, Folder and Byte

Discussion

45.	6. The difference between a bitmap and a JPEG is that a bitmap is an image file and JPEG is a text file.
A.	True
B.	False
C.	Both
D.	None of these
Answer» C. Both

Discussion

46.	Which of the following is NOT a CORRECT method to clear your document of all work?
A.	Select the area with, then press key
B.	Select the area with, right click, and then click Cut
C.	Select the area with, right click \[\to \]
D.	Select the area withthen select \[\to\]
Answer» E.

Discussion

47.	To visit all the recently closed drawing files _________.
A.	Click on Paint Button
B.	Press + keys
C.	Double click on canvas
D.	Go to View tab
Answer» B. Press + keys

Discussion

48.	In the given image, mouse is hovered over Color 1 box. What would happen when you press the keys?
A.	The Color1 will show white color now.
B.	Color 2 will get selected.
C.	Resize and Skew window will get open.
D.	Canvas will get filled with Color 1.
Answer» D. Canvas will get filled with Color 1.

Discussion

49.	In Colors group of the Home tab, when you click Color 1 and then a color square in the color palette, what is most likely to happen?
A.	It changes the background color of the drawing.
B.	It changes the color of recently closed file.
C.	It changes the background color selection.
D.	It sets the new color as the foreground color.
Answer» E.

Discussion

50.	Given below is the process of drawing a perfect SQUARE. However while writing the process, the steps got jumbled. Help us to arrange the steps in the correct order: 1. Drag the mouse pointer diagonally 2. Move the mouse pointer to the drawing area. 3. Release the key. 4. Press key. 5. Release the mouse button. 6. Select the tool. 7. Click in the drawing area.
A.	7 - 3 - 4 - 5 - 1 - 6 - 2
B.	7 - 6 - 5 - 1 - 2 - 3 - 4
C.	6 - 2 - 7 - 4 - 1 - 5 - 3
D.	1 - 2 - 3 - 4 - 7 - 6 - 5
Answer» D. 1 - 2 - 3 - 4 - 7 - 6 - 5

Discussion

Explore topic-wise MCQs in 3rd Class.

Which one of the following tools is used for drawing straight line?

After switching on the computer, a small program is there in computer that places the operating system of a computer into memory. Which one of the following typically loads the operating system for the computer?

Fill in the blanks: 1. ______is a set of command and program. 2. _____ is a set of data. 3. _____ is a place where files are kept. 4. ____ is a symbol which you view on the computer screen.

This is a data storage medium that is composed of a disk of thin, flexible, magnetic storage medium encased in a square or rectangular plastic shell. What is it?

The POST checks the entire memory and tests the connections of the various hardware devices attached with the computer. What is the full form of POST?

The Paint Brush opens and saves files by default in windows 10 with a _____ extension.

Taylor and Waugh are talking about the topic of correct posture of using computer. Who is correct? Taylor: Grasp mouse tightly and forcefully while working on a computer. Waugh: You should steal other's information as it may be useful for us in future.

Read the given statements and select the correct one. 1. The file extension of text file is .txt. 2. The file extension of paint file is .ppt. 3. File is a block of directory. File extension is the first part of a file.

Teacher to students: The computer of second generations had smaller size, less power requirement and greater processing speed as compared to first generation computers. It had various models. Now, give me the name of few models of 2nd generation computers. Which student has given correct answer?

Match the two columns on the basis of their year of invention. A B 1. Leibnitz machine i. 1821 2. Pascaline ii. 1694 3. Jacquard's Loom iii. 1642 4. Difference engine v. 1801

Microprocessor is one of the indispensable parts of the computer. It is actually a ___________.

Match the following: S.No. A S.No. B 1. POST i. Loads main OS 2. Booting ii. Power on process 3. Boot loader iii. Process of loading

The POST checks the entire memory and tests the connections of the various hardware devices attached with the computer. What do you mean by the POST?

Fill in the blanks: 1. A ________ is the initial set of operations that the computer performs when power is switched on.2. The process of loading _____ the operating system is called _______.3. _______ loads the main operating system to the computer.

China plays an important role in the field of inventing calculating devices. Which was the first calculating device invented by the Chinese?

To make a curved line, you must first draw a

Kathy spends eight hours daily on computer. She feels uncomfortable to sit in a proper posture more than half an hour. So more often she sits in a wrong posture to make herself comfortable. How will this affect her health?

Computer helps you very much and has many advantages also. Despite that it has few disadvantages also. Which one of the following is a major disadvantage of computer?

Match the following: A B 1. Hardware i. Display screen ii. Ideas 2. Software iii. Printers iv. Concepts v. Chips

While working on computer Russell has deleted one important file mistakenly. Now he wants to restore the file. From which location he can restore his file.

Select the correct statements: 1. You can use floppy without formatting. 2. After inserting floppy, it is automatically asked for formatting. 3. Exit is a termination command in many operating systems.

Steve draws a picture on the computer. But he is not satisfied with he is drawings. So he wants to change its colour and edit the picture. Which one of the following programs he should use to do the same?

Read the statement given below and select the correct one. 1. Polygon is a figure having only one side. 2. Brush tool is used to paint thick or shaped free form lines and curves. 3. You can use the Rectangle tool to draw rectangular shapes like boxes. 4. Circle is drawn with the help of pencil.

While drawing a picture Richard commits a mistake. Now he wants to remove the portion that is drawn mistakenly. Name the tool which is used for removing the picture/drawings.

Select the correct statements: 1. Do not access files without the permission of the owner. 2. We should not delete the unwanted files regularly. 3. Manage your files and folders in an appropriate manner.

Match the following A B 1. Ethics i. Intellectual property right 2. Postures ii. Netiquette 3. Cyber laws iii. Wrist on the desk

Which one of the following is not an image file?

In MS Paint, a picture can be skewed.

Match the following: A B 1. Small icon i. Upper left 2. Taskbar ii. Bottom Left 3. Computer clock iii. Bottom of the desktop

Steve is very fond of magnet. He often takes the magnet piece with himself wherever he goes. One day he takes the magnet in a computer room. His friend advised him not to take the magnet in the computer room. Steve wants to know the reason for it. Which one of the following is the reason?

Given below are the names of some devices that are attached with computer to do some specified work. Which one of the following device is used to listen to music on the computer?

Drawing on a computer is difficult activity for Lina. Actually she wants to draw a smooth and curve line for her project on a computer. But she does not know how to do it? Which one of the following tool she should use to do the same?

Given below is the information about different generation of computers. Match the two columns. A B 1. 2nd generation i. It uses Artificial Intelligence. 2. 3rd generation ii. It uses Microprocessors. 3. 4th generation iii. It uses Transistors. 4. 5th generation iv. It uses Integrated Circuits.

Given below are the parts of devices. Match the following A B 1. Pascaline Machine i. Bones and Rods 2. Napier's bones ii. Beads 3. Abacus iii. Chain and Toothed Wheels

Given below are the devices and their types. Match the two columns on the basis of their types. 1. Pascaline i. Electro-mechanical 2. Napier's bones ii. Automatic 3. Analytical engine iii. Manual 4. Mark-1 iv. Mechanical

Now days there are lots of OS available in the market. Which one of the following is the example of OS?

Every file has its own extension. What is the extension of a pair application file?

Match the following given units: A B 1. Byte i. 4 bits 2. Megabyte ii. 1024MB 3. Gigabyte iii. 1024 KB 4. Nibble iv. 8 bits

Fill in the blanks: 1. A computer________ is a block of data for storing information. 2. ________ is a place where same types of files are stored. 3. ______ is also called directory. 4. One digit in binary number system is called ________.

6. The difference between a bitmap and a JPEG is that a bitmap is an image file and JPEG is a text file.

Which of the following is NOT a CORRECT method to clear your document of all work?

To visit all the recently closed drawing files _________.

In the given image, mouse is hovered over Color 1 box. What would happen when you press the keys?

In Colors group of the Home tab, when you click Color 1 and then a color square in the color palette, what is most likely to happen?

Fill in the blanks: 1. ____is a set of command and program. 2. _ is a set of data. 3. _ is a place where files are kept. 4. __ is a symbol which you view on the computer screen.

Fill in the blanks: 1. A ______ is the initial set of operations that the computer performs when power is switched on.2. The process of loading _ the operating system is called _.3. ___ loads the main operating system to the computer.

Fill in the blanks: 1. A computer is a block of data for storing information. 2. is a place where same types of files are stored. 3. is also called directory. 4. One digit in binary number system is called __.