SBI PO results

Following are the answers for SBI PO exam paper ( Memory based) :-

1. ​3
2. 5
3. 5
4. 4
5. 5
6. 2
7. 3
8. 1
9. 1
10. 4
11. 3
12. 1
13. 5
14. 2
15. 4
16. 2
17. 2
18. 1
19. 1
20. 3
21. 3
22. 1
23. 5
24. 3
25. 2
26. 1
27. 2
28. 5
29. 2
30. 4
31. 4
32. 5
33. 5
34. 2
35. 3
36. 1
37. 2
38. 3
39. 5
40. 1
41. 5
42. 4
43. 4
44. 3
45. 1
46. 5
47. 3
48. 3
49. 4
50. 3
51. 3
52. 4
53. 4
54. 2
55. 5
56. 1
57. 3
58. 3
59. 5
60. 5
61. 1
62. 1
63. 5
64. 4
65. 5
66. 4
67. 4
68. 1
69. 4
70. 2
71. 2
72. 3
73. 1
74. 3
75. 5
76. 3
77. 4
78. 2
79. 3
80. 3
81. 2
82. 4
83. 2
84. 1
85. 2
86. 2
87. 1
88. 3
89. 4
90. 3
91. 3
92. 3
93. 4
94. 5
95. 3
96. 2
97. 1
98. 1
99. 5
100. 2

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G.K. Update

 

In any competitive exam , General Knowledge is heart of the exam. Following are some updates on government schemes.   

The above are daily updates for General Knowledge.

Thank you for reading. Keep learning.

Interesting facts- Computer

1. The information copied or moved from one place to another in a computer is called? (Frequently asked in exams)

Ans :- Clipboard

2. Footnote v/s Endnote

• Footnote a term used to describe additional information at the bottom of the PAGE
• Endnote a term used to describe additional information at the End of the DOCUMENT

3. MS-Word automatically checks spelling and grammatical errors through:

• Red underline – indication for spelling error
• Green underline – indication for grammatical error

4. What is a Primary key?

Ans: – A field or group of fields that uniquely identify records in a table. (Every table has only one primary key and it can never be a null value)

5. Important abbreviations:

• VDU– Visual Display Unit
• CRT– Cathode Ray Tube
• DNS– Domain Name System

6. What are the 3 parts / components of a CPU?

Ans:- 

(a) Arithmetic Logic Unit (ALU)

(b) Control unit (CU)

(c) Memory unit (MU) or Main Memory

• Among these, (a) & (b) are considered to be the two main components

7.What is the name of the first commercially available computer?

Ans :- UNIVAC 1 i.e. Universal Automatic Computer and was introduced in 1951

8. The microprocessor utilized in today’s PC and Laptops were produced using which technology?

Ans :- LSI technology – Large Scale Integration

9. Multics is an example of? (Frequently asked in various exams)                                 

Ans :-  Operating System

10. Important abbreviations:

• EDP– Electronic Data Processing
• PROM – Programmable Read Only Memory

11. Sequence of steps performed by CPU to convert input into output is known as?

Ans :- Fetch-execute Cycle or Instruction Cycle

12. Decision making operations are performed by which part of the CPU?

Ans :- ALU – Arithmetic Logic Unit

13. Small memory Locations responsible for holding the data to be processed, are called?

Ans :- Data Registers

14. Who is known as the First Computer Programmer? 

Ans :-  Lady Lovelace

15. Important Abbreviations :-

• URL – Uniform Resource Locator
• USB – Universal Serial Bus
• UPS – Uninterruptible Power Supply (IBPS CLERK 2016)

( For getting daily computer updates :-

• Save this as Computer awareness  9510934924
•  Send “Hi” on this number. )

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Interesting Facts about Computer

Following are some Important facts about computer which will help you to learn computer  easily    :-

1.A device used as an auxiliary power supply or battery backup? (IBPS CLERK 2016)

Ans: – UPS i.e. Uninterruptible Power Supply

2. Another name for Floppies which are used to read and store information?

Ans: – Diskettes

3. A mistake in an algorithm which causes incorrect results is which type of error?

Ans: – Logical error

4. The largest unit of computer memory till date?

Ans: – Yottabyte (YB)

5. The two most common forms of user interface?

Ans :- i) CLI – Command Line Interface   ii) GUI – Graphical User Interface

    6. MS-DOS, one of the popular operating system is an abbreviation for?

Ans: – Microsoft – Disc Operating System

7. Pressing the restart button while the computer is ‘on’ is known as?

Ans: – Warm Boot

8. What is the origin of Linux as an OS and an example of open source software?

Ans: – The name ‘LINUX’ comes from the Linux kernel originally written by Linus                  Thorvald

9. The term ‘BUG’ means what in computer?

Ans: – A Bug is a Coding Error which causes Wrong result.

10. What does RPG stand for?

Ans: – Report Program Generator. (MS – ACCESS is one of its examples.)

11. The input device mouse was invented by whom?

Ans: – Douglas Engelbert

12. The First operational Computer network in the world was?

Ans: – ARPANET

13. Device that performs modulation process / operations is called?

Ans: – MODEM i.e. Modulator-Demodulator (Modulation is the process of changing                     analog signals to digital & Vice-versa)

14. Who is known as the father of e-mail?

Ans: – Ray Tomlinson    (In 1971, he created the first e-mail application)

15. World Wide Web was developed by whom and in which year? (Frequently asked question in various exams)

Ans: – March 1989, Tim Berners-Lee

  Thank you for reading . Keep learning & Do share it.

January 12, 2017

EVOLUTION OF COMPUTER

•       Introduction:-

The electronic machine, Computer, is an incredible invention in the human history. The history of computer goes around 100 years back but the evolution in the lifestyle of mankind has only been in the last 50 years.

•       Evolution of Computer:-

1. Abacus :-

-The Abacus was developed in China about 5000 years ago.

-It is the First Mechanical Calculator.

2. Pascal’s Calculator:-

-The first calculator which was only able to do addition and subtraction.

-Invented by French Scientist and Mathematician, Blaise Pascal.

3. ENIAC:-

-First Electronic digital computer.

-ENIAC stands for Electronic Numerical Integrator And Computer.

-Developed in 1946 by John Mauchley and J. Presper Eckert.

4. UNIVAC 1:

-Introduced in 1951 as the First commercially available computer.

-It stands for ‘Universal Automatic Computer’.

         Computer Generation

      1. i) First Generation:-

-They used ‘Vacuum tubes’ to store instructions.

-They used ‘Magnetic Drums’ for memory/storage.

 

1. ii) Second Generation:

-Computers used ‘Transistors’ instead of Vacuum tubes.

-They used ‘Magnetic Core’ for memory/Storage.

1. iii) Third Generation:-

• The ‘Integrated Circuits’ (IC) replaced the transistors.

-The IC was developed by J. S. Kilbi

1. iv) Fourth Generation:-

-‘Microprocessor’ was developed by using LSI (Large Scale Integration) technology.

-Miniaturization of components led to small and powerful computers.

1. v) Fifth Generation:-

-The present generation computing devices are based on ‘Artificial Intelligence’ and are still in development.

-Artificial Intelligence refers to the technique used to reduce complex programming.

      Other Important information

1. Father of Computer – Charles Babbage
2. First Computer Programmer – Lady Lovelace
3. First program-controlled calculator – Mark 1
4. World’s First Super computer – Cray 1 – Developed by Cray Research Company in 1976
5. India’s First Super computer – PARAM- Developed by C-DAC in 1991