25 Questions on Computer General Knowledge. We hope that this will help you prepare for the exam.

Click for Syllabus of SSC Data Entry Operator Recruitment Exam

1. The banks use ................ device to minimize conversion process.

(a) Keyboard

(b) MICR

(c) OCR

(d) Scanner

2. .................. can't be used for source of data automation.

(a) POS terminal

(b) OCR

(c) Keyboard

(d) UPC

3. Under which case will intranet be an effective networking tool?

(a) In a distributed decision-making environment

(b) Where heterogeneous applications are involved

(c) In a centralised organization

(d) In a decentralised organization

4. When an organization gives contract for development of software, it has to give data to the service provider. In Such cases, the ownership of data should be_________

(a) Transferred to the service provider

(b) With the client/organization that outsource services

(c) Shared by both parties

(d) Not transferred

5. A modem performs_________

(a) Modulation

(b) Demodulation

(c) Data compression

(d) All of these

6. Which of the following is NOT done by modem?

(a) Transmission Speed

(b) Data Accuracy

(b) Error detection and Correction

(d) Data Compression

7. A program coded in programming language is____________.

(a) Target code

(b) Source code

(c) Block

(d) None of these

8. "Platform" in computer world means___________.

(a) Computer hardware used

(b) Operating Systems used

(c) Both of these

(d) None of these

9. Which of these biometric tools use thermal sensors along with infrared rays for identification?

(a) Key stroke dynamics

(b) Iris Retinal scans

(c) Speech recognition

(d)Fingerprint scanning

10. What is incorrect about software?

(a) It can manipulate computer

(b) It has programs, instructions

(c) It can be touched

(d) It can be touched

11. Disadvantage of distributed database is.

(a) Unreliability

(b) Easy implementation

(c) Insecurity

(d) High communication cost

12. Which of the following transmission techniques let computer to alternatively send and receive data?

(a) Simplex

(b) Half duplex

(c) Full duplex

(d) Multiplexing

13. What is NOT a feature of networking?

(a) Reliability

(b) Greater storage space

(c) Connectivity

(d) All are features of networking

14. Taking back-up of a file against crash is a

(a) Preventive measure

(b) Curative measure

(c) Decisive measure

(d) None of these

15. A memory that is referred by its contents instead of physical address is called ________

(a) Associative memory

(b) Content addressable storage

(c) Both (a) and (b)

(d) None of these

16. Most dangerous risk in leaking of information is :

(a) Ready access to online terminals

(b) Online processing of data

(c) Ignorance about the existence of risk

(d) All of these

17. A camera is an

(a) Input device

(b) Can be either input or output

(c) Processing machine

(b) Output device

18. Using anti-virus software is

(a) Preventive measure

(b) Detective measure

(c) Corrective measure

(d) All the above

19. An online transaction is

(a) One that is done in real time

(b) Transaction done via internet

(c) One that is done via telephone

(d) None of these

20. A clerk in a bank has to access data n customer account. Logical access control for these users would be.

(a) Use of individual passwords

(b) Use of an Accounts Receivable Section password

(c) Use of individual passwords plus separate access passwords for customer data and product data

(d) Can't say

21. To stop unauthorized access to the computer system we should

(a) Have a trustworthy system administrator

(b) Have a good passwords policy

(c) Have a sound encryption policy

(d) All of the above

22. Which cannot assure data accuracy in an application?

(a) Limit and reasonableness test

(b) Echo checking

(c) Control total

(d) None of these

23. Maximum storage space is available on

(a) CDs

(b) ROM

(c) Hard disks

(d) Floppies

24. Jon Von Neumann developed:

(a) First electronic chip flip flop

(b) Stored-program concept

(c) The first electronic computer

(d) None of these

25. Which of the following is single user computer with many features and good processing power?

(a) Minicomputer

(b) Workstation

(c) Macintosh

(d) None of these

Answers

1. (b) 2. (d) 3. (c) 4. (b) 5. (d) 6. (b) 7. (b) 8. (c) 9. (c) 10. (d)

11. (c) 12. (b) 13. (d) 14. (b) 15. (b)16. (c) 17. (b) 18. (a) 19. (b) 20. (a)

21. (b) 22. (a) 23. (b) 24. (a) 25. (b)

Solved Paper for Data Entry Operator Exam

SSC data entry operator

1.One of the output devices your computer uses is the
(A) mouse
(B) keyboard
(C) monitor
(D) cord
2.All of these are examples of good posture EXCEPT:
(A) back straight
(B) eyes on monitor
(C) feet on the floor
(D) elbows on the table
3.When you store your work so you can come back to it later, you:
(A) click it
(B) save it
(C) type it
(D) print it
4.An example of an input device is:
(A) a speaker
(B) a mouse
(C) a monitor
(D) a printer
5.The computer screen is also called the:
(A) viewer
(B) TV
(C) monitor
(D) video output device
6. To close a program, you would:
(A) shut down the compute
(B) click the _ in the top right hand corner
(C) click the middle box in the top right hand corner
(D) click the X in the top right hand corner
7. What does it mean to have a clean desktop?
(A) there are no programs open on the desktop
(B) there are no bits of paper on the floor
(C) everything is turned off
(D) you have thoroughly dusted your area
8.The main chip in the computer is the:
(A) ROM
(B) CPU
(C) NET
(D) RAM
9. AM stands for:
(A) Really Accessable Memory
(B) Real Access Memory
(C) Random Available Mode
(D) Random Access Memory
10. The instructions that tell the computer what to do and how to do it.
(A) hardware
(B) software
(C) processor
(D) data flow
11. The number of Anglo-Indians who can be nominated by the President to the
Lok Sabha is :
(A) 2
(B) 3
(C) 4
(D) 5
12. The sanctioned strength of the Judges of Supreme Court of India
including the Chief Justice is :
(A) 15
(B) 17
(C) 20
(D) 26
13. Who was the first President of India to be elected unopposed?
(A) Dr. S. Radhakrishana
(B) N. Sanjiva Reddy
(C) V. V. Giri
(D) Dr. Rajendra Prasad
14. The maximum strength of the Lok Sabha and the Rajya Sabha is :
(A) 525 and 250
(B) 552 and 250
(C) 535 and 275
(D) 500 and 250
15. If the Vice-president were to submit his resignation, he would notify to
:
(A) The President of India
(B) The Prime Minister
(C) The Chief Justic of India
(D) The Speaker of the Lok Sabha
16. What is the minimum strength of a State Legislative Assembly?
(A) 40
(B) 60
(C) 50
(D) 70
17. India is the third developing country to host the 2010 commonwealth
Games. The other two are :
(A) Malaysia and South Korea
(B) Singapore and Jamaica
(C) Jamaica & China
(D) Malaysia & Jamaica
18. The Comptroller and Auditor General of India is appointed by the :
(A) Prime Minister of India
(B) President of India
(C) Finance Minister
(D) Lok Sabha
19. Article 370 of the Indian constitution deals with :
(A) The Emergency Powers of the President
(B) The special position of the state of Jammu and Kashmir
(C) The power of the President to seek the advisory opinion of the Supreme
Court on any matter of public importance
(D) Distribution of taxes between the Centre and the State
20. The Supreme commander of the Defence Forces of India is :
(A) The Defence Minister
(B) The Prime Minister
(C) The Chief of the Army Staff
(D) The President of India
21. Which of the following rivers flows through a rift valley?
(A) Kaveri
(B) Krishna
(C) Tapti
(D) Godavari
22. The Manas Wildlife Sanctuary is located in the state of :
(A) Assam
(B) Uttar Pradesh
(C) Rajasthan
(D) West Bengal
23. How many major ports are there at present in India?
(A) 8
(B) 12
(C) 15
(D) 14
24. The earth revolves round the sun and its causes :
(A) Differences in longitude and time
(B) Changes of seasons
(C) Deflection of winds and currents
(D) Formation of day and night
25. Latitude of a point on the earth is measured by the distance in :
(A) Kilometres from the Equator
(B) Angles from the Equator
(C) Angles from the Poles
(D) None of the above
26. The earth is :
(A) Spherical
(B) Elliptical
(C) Oblate Spheroid
(D) Prolate Spheroid
27. Day and Night are equal at the :
(A) Equator
(B) Poles
(C) Prime Meridian
(D) Antarctic
28. The heaviest planet revolving round the sun is :
(A) Moon
(B) Jupiter
(C) Neptune
(D) Pluto
29. The biggest Planet is :
(A) Venus
(B) Mars
(C) Mercury
(D) Jupiter
30. The International Date line passes through :
(A) Exactly through 180° Longitude
(B) Equator
(C) Approximately 180° east or west meridian
(D) 0° Meridian
31. The largest river of Asia is :
(A) Yangtze
(B) Yenisei
(C) Indus
(D) Mekong
32. Which country is called the `Sugar Bowl’ of the world?
(A) Cuba
(B) India
(C) Nepal
(D) Norway
33. Which of the following countries has the largest area in the world?
(A) USA
(B) Russia
(C) Canada
(D) China
34. The world’s highest waterfall, the Angel Falls is situated in :
(A) Venezuela
(B) USA
(C) Guyana
(D) Australia
35. The universe is composed of :
(A) Earth
(B) Earth and the Sun
(C) Mat
(D) None
36. The Temperate Grasslands of South America are called :
(A) Pampas
(B) Steppes
(C) Savanna
(D) Evergreen grasslands
37. Rial is the currency of :
(A) Romania
(B) Iran
(C) Japan
(D) Libya
38. New Moore island is situated in the :
(A) Indian Ocean
(B) Bay of Bengal
(C) Arabian Sea
(D) China Sea
39. Which river in the world carries the maximum volume of water?
(A) Amazon
(B) Nile
(C) Mississippi Missouri
(D) Ganga
40. Which of the following rivers crosses the equator twice?
(A) Amazon
(B) Nile
(C) Congo
(D) Orinoco
41. The Indus Valley civilization is associated with :
(A) Egyptians
(B) Sumerians
(C) Chinese
(D) Mesopotamians
42. The Indus Valley Civilization was famous for :
(A) Well planned cities
(B) Efficient civic organisation
(C) Progress of art and architecture
(D) All the above
43. Who was mainly worshipped in the Rig Vedic Period?
(A) Indra
(B) Vishnu
(C) Sun
(D) Trimurti
44. Who is regarded as the great law-giver of ancient India?
(A) Panini
(B) Manu
(C) Kautilya
(D) Dhruv
45. Which of the following is the oldest Veda?
(A) Samaveda
(B) Rigveda
(C) Yajurveda
(D) Atharvaveda
46. Who among the following was called Light of Asia?
(A) Mahavira
(B) Buddha
(C) Akbar
(D) Ashoka
47. Who was the founder of the Gupta dynasty?
(A) Srigupta
(B) Chandragupta II
(C) Samudragupta
(D) Kumargupta
48. The Upanishads are :
(A) A source of Hindu philosophy
(B) Books of Ancient Hindu laws
(C) Books on social behaviour of man
(D) Prayers to God
49. The biggest mosque of India was built by :
(A) Aurangzeb
(B) Shahjahan
(C) Akbar
(D) Jahangir
50. The first Battle of Panipat was fought between :
(A) Sher Shah Suri and Akbar
(B) Humayun and Ibrahim Lodhi
(C) Babar and Ibrahim Lodhi
(D) Babar and Ranasanga


*ANSWERS :*

1. (C) 2. (D) 3. (B) 4. (B) 5. (C) 6. (D) 7. (A) 8. (B) 9. (D) 10. (B)
11. (A) 12. (D) 13. (B) 14. (B) 15. (A) 16. (B) 17. (D) 18. (B) 19. (B) 20.
(D) 21. (C) 22. (A) 23. (B) 24. (B) 25. (B) 26. (C) 27. (A) 28. (B) 29. (D)
30. (C)
31. (A) 32. (A) 33. (B) 34. (A) 35. (C) 36. (A) 37. (B) 38. (B) 39. (A) 40.
(A)
41. (B) 42. (D) 43. (A) 44. (B) 45. (B) 46. (B) 47. (A) 48. (A) 49. (B) 50.
(C)

SSC Data Entry Operator Solved Paper

Q-1 The bank use……………. Device to minimize conversion process.
(a) Keyboard
(b) MICR
(c) OCR
(d) Scanner

Q-2 ………………can’t be used for source of data automation.
(a) POS terminal
(b) OCR
(c) Keyboard
(d) UPC

Q-3 Under which case will intranet be an effective networking tool/s?
(a) In a distributed decision-making environment
(b) Where heterogeneous applications are involved
(c) In a centralized organization
(d) In a decentralized organization

Q-4 When an organization gives contract for development of software, it has to give data to the service provider. In Such cases, the ownership of data should be_________
(a) Transferred to the service provider
(b) With the client/organization that outsource services
(c) Shared by both parties
(d) Not transferred

Q-5 A modem performs_________
(a) Modulation
(b) Demodulation
(c) Data compression
(d) All of these

Q-6 Which of the following is NOT done by modem?
(a) Transmission Speed
(b) Data Accuracy
(b) Error detection and Correction
(d) Data Compression

Q-7 A program coded in programming language is____________ .
(a) Target code
(b) Source code
(c) Block
(d) None of these

Q-8 “Platform” in computer world means___________ .
(a) Computer hardware used
(b) Operating Systems used
(c) Both of these
(d) None of these

Q-9 Which of these biometric tools use thermal sensors along with infrared rays for identification?
(a) Key stroke dynamics
(b) Luis\ Retinal scan
(c) Speech recognition
(d)Fingerprint scanning

Q-10 what is incorrect about software?
(a) It can manipulate computer
(b) It has programs, instructions
(c) It can be touched
(d) It can be touched

Q-11 Disadvantage of distributed database is.
(a) Unreliability
(b) Easy implementation
(c) Insecurity
(d) High communication cost

Q-12 which of the following transmission techniques let computer to alternatiyely send and receive data ?
(a) Simplex
(b) Half duplex
(c) Full duplex
(d) Multiplexing

Q-13 What is NOT a fature of networking ?
(a) Reliability
(b) Greater storage space
(c) Connectivity
(d) All are features of networking

Q-14 Taking back-up of a file against crash is a
(a) Preventive measure
(b) Curative measure
(c) Decisive measure
(d) None of these

Q-15 A memory that is referred by its contents instead of physical address is called ________
(a) Associative memory
(b) Content addressable storage
(c) Both (a) and (b)
(d) None of these

Q-16 Most dangerous risk in leaking of information is :
(a) ready access to online terminals
(b) Online processing of data
(c) Ignorance about the existence of risk
(d) All of these

Q-17 A camera is an
(a) Input device
(b) Can be either input or output
(c) Processing machine
(d) Output device

Q-18 Using anti-virus software is
(a) Preventive measure
(b) Detective measure
(c) Corrective measure
(d) All the above

Q-19 An online transaction is
(a) One that is done in real time
(b) Transaction done via internet
(c) One that is done via telephone
(d) None of these

Q-20 A clerk in a bank has to access data n customer account. Logical access control for these users would be.
(a) Use of individual passwords
(b) Use of a Accounts Receivable Section password
(c) Use of individual passwords plus separate access passwords for customer data and product data
(d) Cann’t say

Q-21 To stop unauthorized access to the computer system we should
(a) Have a trustworthy system administrator
(b) Have a good passwords policy
(c) Have a sound encryption policy
(d) All of the above

Q-22 Which can not assure data accuracy in an application?
(a) Limit and reasonableness test
(b) Echo checking
(c) Control total
(d) None of these

Q-23 Maximum storage space is available on
(a) CDs
(b) ROM
(c) Hard disks
(d) Floppies

Q-24 Jon Von Neumann developed:
(a) First electronic chip flip flop
(b) Stored-program concept
(c) The first electronic computer
(d) None of these

Q-25 Which of the following is single user computer with many features and good processing power?
(a) Mini computer
(b) Workstation
(c) Macintosh
(d) None of these

Answers:

1. (b) 2. (d) 3. (c) 4. (b) 5. (d)
6. (b) 7. (b) 8. (c) 9. (c) 10. (d)
11. (c) 12. (b) 13. (d) 14. (b) 15. (b)
16. (c) 17. (b) 18. (a) 19. (b) 20. (a)
21. (b) 22. (a) 23. (b) 24. (a) 25. (b)

Solved Paper General Awareness 2009 STAFF SELECTION COMMISSION DATA ENTRY OPERATOR EXAM

This exam was held in Aug 2009

Questions are Simple MCQ on

current Affairs

Indian History

Important Days

Books

Polity

Constitution

Important places in India

1.The RBI issues currency notes under the?

(A) Fixed Fiduciary System

(B) Maximum Fiduciary System

(C) Fixed Minimum Reserve System

(D) Proportional Reserve System

2. Which day is the International Human Rights Day?

(A) December 10th

(B) October 24th

(C) November 25th

(D) None of the above

3. The Capital of Pakistan till 1959 was?

(A) Islamabad

(C) Lahore

(B) Karachi

(D) Hyderabad

4. Silicon Valley of India is located in?

(A) Dehradun

(B) Bangalore

(C) Hyderabad

(D) Srinagar

5. The author of the book ‘India Wins Freedom’is?

(A) Kuldeep Nawar

(B) Maulana Abul Kalam Azad

(C) Jawahar La! Nehru

(D) Indira Gandhi

6. The implementation of Jawahar Rojgar Yojana rests with?

(A) Gram Panchayats

(B) District Collectors

(C) State Governments

(D) Union Government

7. What is. quorum required for convening the Lok Sabha?

(A) 1/6

(B) 1/8

(C) 1/10

(D) 1/5

8. In the Parliamentary form of Government “He is the first among equals”. Who is he?

(A) President

(B) Prime Minister

(C) Leader of Opposition

(D) Speaker of lower house

9. Gandhiji’s movement of boycotting the foreign goods aimed at?

(A) Full independence

(B) Creating anti-British sentiment

(C) Promotion of welfare state

(0) Promotion of cottage industries

10. What is the maximum age limit prescribed for the post of the President of India ?

(A) 58 years

(B) 60 years

(C) 62 years

(D) There is no maximum age limit

11. The final of the Sultan Afzal Shah Hockey Tournament 2009

was played between?

(A) India and Malaysia

(B) India and Pakistan

(C) Pakistan and Malaysia

(0) Malaysia and Japan

12. The 2011 Cricket World Cup shall be co-hosted by?

(A) India, Sri Lanka, Pakistan and Bangladesh

(B) India, Sri Lanka and Bangladesh

(C) Bangladesh, Pakistan and Sri Lanka

(0) Bangladesh, Pakistan and India

13.English is the official language of which one of the following Indian States?

(A) Nagaland

(B) Tripura

(C) Assam

(D) Manipur

14. Right to Information Act was passed in the year?

(A) 2001

(B) 2005

(C) 2004

(D) 2002

15. In India FERA has been replaced by?

(A) FEMA

(B) FETA

(C) FENA

(D) FELA

16. The ‘Emerging Player of the Year 2008’ Award was given by ICC to which Sri Lankan cricketer?

(A) Ajantha Mendis

(B) Muttiah Murlitharan

(C) C. Kapugedera

(D) M. Mahroof

17. The term PC means?

(A) Private Computer

(B) Personal Computer

(C) Professional Computer

(0) Personal Calculator

18. Which one of the following Indian cricketers has been declared ‘The Leading Cricketer of 2008’ by Wisden?

(A) M. S. Dhoni

(B) Virendra Sehwag

(C) Anil Kumble

(D) Saurav Ganguly

19. Who is the present chief of ISRO?

(A) 6. Madhavan Nair

(B) Anil Kakodkar

(C) Mohan S. Shetty

(0) M. Arvindam

20. Who has taken over as Chief Election Commissioner after the retirement of Shri N. Gopalaswami?

(A) V. S. Sampath

(B) S. Y. Quraishi

(C) Navin Chawla

(D) M. S. Gill

21The imaginary places of same intervals are?

(A) Hachures

(B) Contours

(C) Spot-heights

(D) Isomers

22. The author of the book ‘My Experiments With Truth’ is?

(A) Maulana Abul Kalam Azad

(B) Govind Vallabh Pant

(C) M. K. Gandhi

(D) Tara All Beg

23. Which one of the following business magnates has been adjudged the ‘Business Person of the Year 2008’ by The Times of India Survey?

(A) Ratan Tata

(B) Rahul Bajaj

(C) Aditya Birla

(D) Laxmi Mittal

24. The relationship between the value of money and the price level in an economy is?

(A)Direct

(B) Inverse

(C) Proportional

(D) Stable

25. Depreciation is equal to?

(A) Gross national product—Net national product

(B) Net national product—Gross national product

(C) Gross national product—Personal income

(D) Personal income—Personal taxes

26. In an economy, the sectors are classified into public and private on the basis of?

(A) Employment conditions

(B) Nature of economic activities

(C) Ownership of enterprises

(D) Use of raw materials

27. Stagflation is a situation of?

(A) Stagnation and deflation

(B) Stagnation and recession

(C) Stagnation and inflation

(D) Stagnation and recovery

28. What is Khetri in Rajasthan famous for?

(A) Copper mines

(B) Mica mines

(C) Bauxite mines

(D) Limestone mines

29. Which one of the following rivers forms an estuary?

(A) Narmada

(B) Kaveri

(C) Krishna

(D) Mahanadi

30. An important river of the Indian desert is?

(A)Luni

(B) Narmada

(C)Krishna

(D) Beas

31.The Nagarjunasagar dam is constructed on the river?

(A)Krishna

(B) Chambal

(C)Kosi

(D) Sutlej

32. Anantapur district in Andhra Pradesh is famous for?

(A) Copper

(B) Zinc

(C)Mica

(D) Gold

33. Bahadur Shah was the?

(A) Last ruler of the Lodis

(B) Successor of Sher Shah Suri

(C) Last Mughal ruler

(D) Successor of the Maratha ruler Shivaji

34. Mangal Pandey fired the first shot of the Revolt of 1857 at?

(A) Barrackpore

(C) Kanpur

(B) Meerut

(D) Jhansi

35. The resources which can be used continuously, year-after- year are called?

(A) Biotic

(B) Abiotic

(C) Non-renewable

(D)Renewable

36. The coast that belongs to Kerala is known as—

(A) Konkan Coast

(B) Malabar Coast

(C) Corornandel Coast

(D) Canara Coast

37. Great Stupa at Sanchi is in?

(A) Uttar Pradesh

(B) Madhya Pradesh

(C) Arunachal Pradesh

(D) Andhra Pradesh

38. What was the age of Akbar at time of his coronation at Kalanaur?

(A) Thirteen and a quarter

(B) Fifteen

(C) Eighteen

(D) Twenty

39.Which one of the following stages of the life of man in Aryan Society, in ascending order of age, is correct?

(A) Brahmacharya — Grihastha— Vanaprastha — Sanyasa

(B) Grihastha — Brahmacharya— Vanapaprastha — Sanyasa

(C) Brahmacharya — Vana prastha — Sanyasa — Grihastha

(D) Grihastha — Sanyasa — Vana-prastha — Brahmacharya

40. Who said ‘Swaraj is my birth-right and I shall have it’?

(A) M.K.Gandhi

(B) B. G. Tilak

(C) G K. Gokhale

(D) B. R. Ambedkar

41. ‘Charak’ was the famous court physician of ?

(A) Harsha

(B) Chandra Gupta Maurya

(C) Ashoka

(D) Kanishka

42. A person having AB group of blood can donate blood to a person having?

(A) A group

(B) B group

(C) AB group

(D) Ogroup

43. Why do birds not have respiratory trouble at the time of flying at high altitude?

(A) Their lungs are very large

(B) They fly inactively

(C) They have extra air sacs

(D) They use less oxygen

44. After the Chauri-Chaura incident, Gandhiji suspended the—

(A) Civil Disobedience Movement

(B) Khilafat Movement

(C) Non-Cooperation Movement

(D) Quit India Movement

45. Refrigerators keep food unspoiled because?

(A) At its low temperature, bacteria and moulds are inactive

(B) At its low temperature, the germs are killed

(C) At its low temperature, the germs are frozen

(D) It sterilizes the food

46. Select the one which is not a mixture?

(A)Air

(B) Gasoline

(C)LPG

(D) Distilled water

47. The temperature which has the same reading on both Fahrenheit and Celsius scales is?

(A) 40 degree

(B)-40°

(C)-34°

(D)-140°

48 Water boils at a lower temperature on the hills because—

(A) It is cold on the hills

(B) There is less carbon dioxide on the hills

(C) There is a decrease in air pressure on the hills

(D) There is less oxygen

49. Source of energy in ecosystem is?

(A) Sun

(B) Green plants

(C) Sugar produced in photo synthesis

(D) ATP

50. Which of the following elements is not present in stainless steel ?

(A)Iron

(B) Tungsten

(C) Chromium

(D) Nickel

1. (C)2. (A)3. (B)4. (B)5. (B)6. (D)7. (C)8. (B)9. (D)10. (D)11. (A)12. (B)13. (A)14. (B)15. (A16.(A)17. (B)18. (B)19. (A)20. (C)21.(B)22. (C)23. (A)24. (B)25. (A)26.(C)27. (C)28. (A)29. (A)30. (A)31.(A)32.(D)33. (C)34. (A)35(D)36.(B)37.(B)38.(A)39.(A)40(B)41.(D)42. (C)43. (C)44. (C)45. (B)46.(D)47. (B)48. (C)49. (A) 50. (B)