Computer Notes PDF Download Free

Computer Notes PDF Download Free

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Computer Notes PDF Download Free

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आपकी प्रतियोगी परीक्षाओं को और भी सफल बनाने के लिए आज हम सभी विद्यार्थियों के लिए Computer Notes PDF Download Free लेकर आये हैं यह PDF’S आपके प्रतियोगी परीक्षाओं जैसे IAS, PCS, SSC, BANK, RAILWAY, DEFENSE. तथा अन्य परीक्षाओं की तैयारी के लिए बहुत महत्वपूर्ण है| इन [ Best PDF**] Computer Notes PDF in Hindi and English pdf को आप आसानी से DOWNLOAD कर सकते हैं

Today, we are sharing Computer Notes PDF. It can prove very useful for upcoming competitive exams like SSC CGL, BANK, RAILWAYS, RRB NTPC, LIC AAO, and many more. So Computer Knowledge Notes PDF Download is very important for any competitive exam. This free PDF will be very helpful for your exam.

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Our basic computer notes pdf are very simple and easy. We cover basic topics like Maths, Geography, History, Polity, etc for the upcoming SSC CGL, BANK, RAILWAYS, RRB NTPC, LIC AAO, Exams including previous year Question Papers, Current Affairs, Important Formulas, etc. Our PDF will help you to upgrade your marks in any competitive exam.

RELATED PDF-

100 Computer one liners for all Competitions-

1. Who is the father of Computer science?
Charles Babbage

2. In a computer, most processing takes place in__?
CPU

3. In which type of computer, data are represented as discrete signals?
Digital Computer

4. Scientific Name of Computer?
Sillico sapiens

5. What is the name of the display feature that highlights are of the screen which requires operator attention?
Reverse Video

6. Computers, combine both measuring and counting, are called__?
Hybrid Computer

7. What is FORTRAN?
Formula Translation

8. What translates and executes program at run time line by line?
Interpreter

9. What converts an entire program into machine language ?
Compiler

10. Who is the father of personal computer?
Edward Robert

11. EEPROM stands for__?
Electronic Erasable Programmable Read Only Memory

12. Who developed the first electronic computer?
J.V. Atansoff

Computer Notes PDF Download Free

Computer Notes PDF Download Free

Computer One Liner Question Answers –

1-The code for a Web page is written using Hypertext Markup Language.

2-An error is known as Bug.

3-The primary purpose of the software is to turn data into information.

4-Internet is an example of connectivity.

5-Virtual Memory is memory on the hard disk that the CPU uses as an extended RAM.

6-Terabyte (TB) is the largest unit of storage.

7-Spam word is the term for unsolicited e-mail.

8-UNIX is not owned and licensed by a company.

9-A compiler translates higher level programs into a machine language program, which is called object code.

10-E-mail is the transmission of messages and files via a computer network.

Most Important Computer Questions:-

11. ASCII stands for__?
American Standard Code for Information Interchange

12. Second Generation computers were developed during__?
1956-65

13. When did arch rivals IBM and Apple Computers Inc. decide to join hands?
1991

14. What kind of memory is both static and non -volatile?
ROM

15. An error in software or hardware is called a bug. What is the alternative computer jargon for it?
Glitch

16. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as__?
Spam

17. The common name for the crime of stealing passwords is__?
Spoofing

19. What is the name of an application program that gathers user information and sends it to someone through the Internet?
Spybot

21. Name of 1st electronic computer?
ENIAC

22. No. of different characters in ASCII coding system?
1024

23. MSIC stands for _?
Medium Scale Integrated Circuits

24. The scrambling of code is known as__?
Encryption

25. The first computers were programmed using__?
Machine Language

26. A fault in a computer program which prevents it from working correctly is known as__?
Bug

27. Which button makes alphabets/letters in uppercase and lowercase and numbers to symbols?
Shift

28. When a computer is switched on, the booting process performs__?
Power on self test  (Computer Notes PDF Download Free)

29. What is the software frequently utilized by end users called (like Word,PowerPoint)?
Application Software

30. Unit of measurement of the output quality of a printer?
Dot per sq. inch

31. Switching device of fifth generation computer is__?
VLSI

32. The unit KIPS is used to measure the speed of __?
Processor

33. DOS stands for__?
Disk Operating System  (Computer Notes PDF Download Free)

34. What is a joy stick primarily in computers used for?
Computer Gaming

35. In 1999, the Melissa virus was a widely publicised__?
E-mail virus

36. Which of the following commands is given to reboot the computer?
Ctrl+Alt+Del

37. What is correcting errors in a program called ?
Debugging

38. BCD is __?
Binary Coded Decimal

39. What type of virus uses computer hosts to reproduce itself?
Worm  (Computer Notes PDF Download Free)

40. SMTP, FTP and DNS are applications of the ____ layer?
Application

Computer Notes PDF Download Free

Computer Notes PDF Download Free

Most Important Computer Questions:-

41. Which command is used to select the whole document?
Ctrl+A

42. COBOL is an acronym for__?
Common Business Oriented Language

43. The ability of an OS to run more than one application at a time is called?
Multitasking

44. What is the functional key to display save-as box?
F12

45. Full form of NOS ?
Network Operating system  (Computer Notes PDF Download Free)

46. Something which has easily understood instructions is said to be……….?
Analog Data

47. A modem is connected to a__?
Telephone Line

48. Refresh Rate of monitor is measured in?
Hertz

49. What was the chief component of first generation computer?
Vacuum tube & Valves

50. Name the Father of Computer Mouse?
Douglas Engelbart  (Computer Notes PDF Download Free)

51. A program that performs a useful task while simultaneously allowing destructive acts is __?
Trojan Horse

52. The geometric arrangement of devices on the network is called………..?
Topology

53. The basic goal of computer process is to convert data into ___?
Information  (Computer Notes PDF Download Free)

54. Where are the CPU and memory located?
Motherboard

55. Who is known as the founder of IBM Company?
Thomas J. Watson

56. An image on a computer screen is made up of__?
Pixels

57. Full form of MAN ?
Metropolitan Area Network

58. Which command in DOS can be used to recover accidentally deleted files?
UNDELETE

59. A computer program that converts an entire program into machine language at one time is called__?
Characters

60. In which year, the Microsoft company was founded?
1975

Most Important Computer Questions:-

61. What is the personal computer operating system that organizes and uses a graphic desktop environment?  (Computer Notes PDF Download Free)
Windows

62. What are Light pen and joystick ?
Input Devices

63. What is a half byte also called as?
Nibble

64. SMPS stands for__?
Switched mode Power Supply

65. What do we use to change the appearance and positioning of text document in MS Word?
Formatting

66. A ________ is approximately a million bytes?
Megabyte  (Computer Notes PDF Download Free)

67. Daisy wheel, Drum, chain etc are the__?
Printers

68. XML stands for __?
Extensible Markup Language

69. What kind of scheme is the HTTP protocol?
Request/Response

70. Magnetic disk is an example of__?  (Computer Notes PDF Download Free)
Secondary Memory

71. What is the meaning of OSI, in terms of computers ?
Open system Interconnection

72. Which type of storage device is a BIOS ?
Primary(Arihant Computer Book PDF Free Download)

73. What is the extension type of the excel 2007 files?
.xlsx

74. Collecting personal information and effectively posing as another individual is known as the crime of__?
Identity theft

75. The amount of vertical space between lines of text in a document is called__?
Line Spacing

76. A computer cannot ‘boot’ if it does not have the__?
Operating system

77. What is the other name for programmed chip?
LSIC  (Computer Notes PDF Download Free)

78. A normal CD- ROM usually can store up to _____data?
680 MB

79. What does DMA stand for?
Direct Memory Access

80. Full form of LAN ?
Local Area Network

Computer Notes PDF Download Free

Computer Notes PDF Download Free

Most Important Computer Questions:-

81. ASCII stands for__? American StandardCode forInformationInterchange

82. Second Generation computers were developed during__? 1956-65

83. When did arch rivals IBM and Apple Computers Inc. decide to join hands? 1991

84. What kind of memory is both static and non -volatile? ROM

85. An error in software or hardware is called a bug. What is the alternative computerjargon for it?Glitch  (Computer Notes PDF Download Free)

86. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as__? Spam

87. The common name for the crime of stealing passwords is__? Spoofing

88. BIOS stands for __? Basic Input OutputSystem  (Computer Notes PDF Download Free)

89. Who is regarded as Father of “C‘ programming language? Dennis Ritchie

90. RAM can be treated as the ……… for the computer’s processor. Waiting Room

91. Computers manipulate data in many ways, and this manipulation is called__? Processing  (Computer Notes PDF Download Free)

92. Joshy, Perfumes are examples of __? Viuses

93. The ability to recover and read deleted or damaged files from a criminal’scomputer is an example of a law enforcement speciality called__?Computer Forensics

94. Where does most data go first with in a computer memory hierarchy? RAM

95. Help Menu is available at which button? Start

96. Which file contains permanent data and gets updated during the processing oftransactions?Master File

97. A DVD is an example of an__? Optical Disc

98. Which is most common tool used to restrict access to computer system? Passwords  (Computer Notes PDF Download Free)

99. The technology that stores only essential instructions on a microprocessor chip andthus enhances its speed is referred as__?RISC

100. What is the name of an application program that gathers user information andsends it to someone through the Internet?Spybot

Important Questions And Answers Of Computer:- 

1. Who is the father of Computer science? Charles Babbage

2. In a computer, most processing takes place in__? CPU

3. In which type of computer, data are represented as discrete signals? Digital Computer  (Computer Notes PDF Download Free)

4. Scientific Name of Computer? Sillico sapiens

5. What is the name of the display feature that highlights are of the screen whichrequires operator attention?Reverse Video

6. Computers, combine both measuring and counting, are called__? Hybrid Computer

7. What is FORTRAN? Formula Translation

8. What translates and executes program at run time line by line? Interpreter

9. What converts an entire program into machine language ? Compiler

10. Who is the father of personal computer? Edward Robert  (Computer Notes PDF Download Free)

11. EEPROM stands for__? Electronic ErasableProgrammable ReadOnly Memory

12. Who developed the first electronic computer? J.V. Atansoff  (Computer Notes PDF Download Free)

13. Which programming languages are classified as low level languages?
Assembly Language

14. The first web browser is__?
Mosaic

15. First page of Website is termed as__?
Homepage

16. IBM stands for__?
International Business Machines

17. Office LANS, which are scattered geographically on large scale, can be connected by the use of corporate__?
WAN ( wide area network )

18. To move a copy of file from one computer to another over a communication channel is called?
File Transfer

19. Large transaction processing systems in automated organisations use__?
Batch Processing

20. MICR stands for__?
Magnetic Ink Character Reader  (Computer Notes PDF Download Free)

Most Important Computer Awareness Questions And Answers:-

1. BIOS stands for __?
Basic Input Output System

2. Who is regarded as Father of “C‘ programming language?
Dennis Ritchie

3. RAM can be treated as the ……… for the computer’s processor.
Waiting Room

4. Computers manipulate data in many ways, and this manipulation is called__?
Processing

5. Joshy, Perfumes are examples of __?  (Computer Notes PDF Download Free)
Viuses

6. The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement speciality called__?
Computer Forensics

7. Where does most data go first with in a computer memory hierarchy?
RAM

8. Help Menu is available at which button?
Start

9. Which file contains permanent data and gets updated during the processing of transactions?
Master File

10. A DVD is an example of an__?
Optical Disc

11. Which is most common tool used to restrict access to computer system?
Passwords

12. The technology that stores only essential instructions on a microprocessor chip and thus enhances its speed is referred as__?
RISC

13. Which programming languages are classified as low level languages? Assembly Language
14. The first web browser is__? Mosaic  (Computer Notes PDF Download Free)
15. First page of Website is termed as__? Homepage
16. IBM stands for__? InternationalBusiness Machines

17. Office LANS, which are scattered geographically on large scale, can be connectedby the use of corporate__?WAN ( wide areanetwork )

18. To move a copy of file from one computer to another over a communicationchannel is called?File Transfer

19. Large transaction processing systems in automated organisations use__? Batch Processing  (Computer Notes PDF Download Free)

20. MICR stands for__? ‘Magnetic Ink Character Recognition

21. Name of 1st electronic computer? ENIAC  (Computer Notes PDF Download Free)

22. No. of different characters in ASCII coding system? 1024

23. MSIC stands for _? Medium ScaleIntegrated Circuits

24. The scrambling of code is known as__? Encryption

25. The first computers were programmed using__? Machine Language

26. A fault in a computer program which prevents it from working correctly is knownas__?Bug

27. Which button makes alphabets/letters in uppercase and lowercase and numbers tosymbols?Shift

28. When a computer is switched on, the booting process performs__? Power on self test  (Computer Notes PDF Download Free)

29. What is the software frequently utilized by end users called (like Word,PowerPoint)?ApplicationSoftware  (Computer Notes PDF Download Free)

30. Unit of measurement of the output quality of a printer? Dot per sq. inch

31. Switching device of fifth generation computer is__? VLSI

32. The unit KIPS is used to measure the speed of __? Processor

33. DOS stands for__? Disk OperatingSystem

34. What is a joy stick primarily in computers used for? Computer Gaming

35. In 1999, the Melissa virus was a widely publicised__? E-mail virus

36. Which of the following commands is given to reboot the computer? Ctrl+Alt+Del  (Computer Notes PDF Download Free)

37. What is correcting errors in a program called ? Debugging

38. BCD is __? Binary CodedDecimal  (Computer Notes PDF Download Free)

39. What type of virus uses computer hosts to reproduce itself? Worm

40. SMTP, FTP and DNS are applications of the ____ layer? Application

Important Computer Awareness Questions And Answers:-

41. Which command is used to select the whole document? Ctrl+A

42. COBOL is an acronym for__? Common BusinessOriented Language

43. The ability of an OS to run more than one application at a time is called? Multitasking

44. What is the functional key to display save-as box? F12

45. Full form of NOS ? Network Operatingsystem

46. Something which has easily understood instructions is said to be……….? Analog Data

47. A modem is connected to a__? Telephone Line

48. Refresh Rate of monitor is measured in? Hertz

49. What was the chief component of first generation computer? Vacuum tube &Valves(Arihant Computer Book PDF Free Download)

50. Name the Father of Computer Mouse? Douglas Engelbart

51. A program that performs a useful task while simultaneously allowing destructiveacts is __?Trojan Horse  (Computer Notes PDF Download Free)

52. The geometric arrangement of devices on the network is called………..? Topology(Arihant Computer Book PDF Free Download)

53. The basic goal of computer process is to convert data into ___? Information

54. Where are the CPU and memory located? Motherboard

55. Who is known as the founder of IBM Company? Thomas J. Watson

56. An image on a computer screen is made up of__? Pixels

57. Full form of MAN ? Metropolitan AreaNetwork

58. Which command in DOS can be used to recover accidentally deleted files? UNDELETE

59. A computer program that converts an entire program into machine language atone time is called__?Characters

60. In which year, the Microsoft company was founded? 1975

61. What is the personal computer operating system that organizes and uses a graphicdesktop environment?Windows

62. What are Light pen and joystick ? Input Devices

63. What is a half byte also called as? Nibble  (Computer Notes PDF Download Free)

64. SMPS stands for__? Switched modePower Supply

65. What do we use to change the appearance and positioning of text document in MSWord?Formatting

66. A ________ is approximately a million bytes? Megabyte

67. Daisy wheel, Drum, chain etc are the__? Printers

68. XML stands for __? Extensible MarkupLanguage

69. What kind of scheme is the HTTP protocol? Request/Response

70. Magnetic disk is an example of__? Secondary Memory

71. What is the meaning of OSI, in terms of computers ? Open systemInterconnection    (Computer Notes PDF Download Free)

72. Which type of storage device is a BIOS ? Primary

73. What is the extension type of the excel 2007 files? .xlsx

74. Collecting personal information and effectively posing as another individual isknown as the crime of__?Identitytheft

75. The amount of vertical space between lines of text in a document is called__? Line Spacing

76. A computer cannot ‘boot’ if it does not have the__? Operating system

77. What is the other name for programmed chip? LSIC

78. A normal CD- ROM usually can store up to _____data? 680 MB

79. What does DMA stand for? Direct MemoryAccess

80. Full form of LAN ? Local Area Network

 

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