B. the instructions the computer receives

C. the built-in set of instructions used to start up the computer

D. cables, keyboard, mouse, and monitor

E. something that is soft

 

17. Informatics is:

A. A science about the laws, methods of measurement, storage, processing and transmission of information with the use of computer;

B. Reflection of the material world in the form of signals and signs understandable to certain group of people;

C. The description of the software necessary to operate the computer;

D. The description of structure and functions of the computer at a level, sufficient for comprehension of principles of operation and command system of the computer;

E. The description of the software.

 

18. The object of study of informatics is:

A. information;

B. cybernetics;

C. programs;

D. files;

E. air.

 

19. The information is:

A. A science about creation and changing of various documents;

B. A science about the laws, methods of measurement, storage, processing and transmission of information with the use of computer;

C. Reflection of the material world in the form of signals and signs understandable to certain group of people;

D. The program for processing the files of graphics;

E. The chaotic and useless set of characters.

 

20. The information processed by the computer is encoded:

A. with the help of usual digits;

B. only with the help of zeroes and ones;

C. with the help of characters;

D. with the help of digits and characters;

E. all answers are correct.

 

21. The information cannot be represented as:

A. Ones and zeroes;

B. Various devices;

C. Drawings;

D. Sounds;

E. Characters.

 

22. What is 1 bit:

A. Corresponds to four binary units;

B. Eight sequential bytes;

C. The unit of information equal to 1024 bytes;

D. The binary unit which can be either 0 or 1;

E. The largest unit of information equal to 1024 Mb.

 

23. What is NOT the property of information:

A. Compulsion;

B. Reliability;

C. Value;

D. Availability;

E. Relevance.

 

24. The information is called visual:

A. if it is perceived by the person through organs of sight;

B. if it is perceived by the person through the organs of taction (skin);

C. if it is perceived by the person through olfactory organs;

D. if it is perceived by the person through organs of hearing;

E. if it is perceived by the person through organs of taste perception.

 

25. The information, which does not depend on personal opinion, is called:

A. Authentic;

B. Actual;

C. Objective;

D. Useful;

E. Clear.

 

26. 1 byte contains

A. 8 units

B. 16 bits

C. 4 bits

D. 8 bits

E. 6 bits

 

27. 1 kilobyte contains

A. 1000 bytes

B. 1024 bits

C. 1024 bytes

D. 100 bytes

E. 16 gigabytes

 

28. In computer the number 123 occupies

A. 1 byte

B. 7 bytes

C. 2 bytes

D. 16 bits

E. 3 bytes

 

29. In computer the number 256 occupies

A. 1 byte

B. 10 bits

C. 2 bytes

D. 3 bytes

E. 3 bits

 

30. In computer the number 2325 occupies

A. 1 byte

B. 4 bytes

C. 2 bytes

D. 3 bytes

E. 3 bits

 

31. What number corresponds to hexadecimal number 0 in binary system?

A. 0000

B. 0011

C. 0100

D. 1010

E. 0111

 

32. What number corresponds to hexadecimal number 1 in binary system?

A. 1011

B. 1110

C. 1100

D. 0101

E. 0001

 

33. What number corresponds to hexadecimal number 2 in binary system?

A. 1010

B. 0010

C. 0001

D. 1110

E. 1011

 

34. What number corresponds to hexadecimal number 3 in binary system?

A. 0111

B. 1001

C. 0011

D. 1000

E. 1011

 

35. What number corresponds to hexadecimal number 4 in binary system?

A. 0100

B. 0000

C. 0111

D. 1010

E. 0010

 

36. What number corresponds to hexadecimal number 5 in binary system?

A. 1011

B. 0101

C. 0110

D. 1100

E. 1110

 

37. What number corresponds to hexadecimal number 6 in binary system?

A. 0001

B. 1010

C. 0010

D. 0110

E. 1011

 

38. What number corresponds to hexadecimal number 7 in binary system?

A. 1000

B. 0101

C. 1101

D. 0000

E. 0111

 

39. What number corresponds to hexadecimal number 8 in binary system?

A. 1111

B. 0001

C. 0000

D. 0100

E. 1000

 

40. What number corresponds to hexadecimal number 9 in binary system?

A. 0111

B. 0101

C. 1111

D. 1001

E. 0010

 

41. What number corresponds to hexadecimal number A in binary system?

A. 0100

B. 1011

C. 1010

D. 1101

E. 0110

 

42. What number corresponds to hexadecimal number B in binary system?

A. 1000

B. 0011

C. 1011

D. 1110

E. 1010

 

43. What number corresponds to hexadecimal number C in binary system?

A. 0101

B. 1001

C. 1011

D. 1100

E. 1101

 

44. What number corresponds to hexadecimal number D in binary system?

A. 1100

B. 1001

C. 0101

D. 1110

E. 1101

 

45. What number corresponds to hexadecimal number E in binary system?

A. 1110

B. 1101

C. 0001

D. 0111

E. 1111

 

46. What number corresponds to hexadecimal number F in binary system?

A. 1111

B. 1100

C. 1000

D. 1110

E. 0101

 

47. What number corresponds to binary number 0000 in hexadecimal system?

A. 9

B. 2

C. 0

D. 3

E. 6

 

48. What number corresponds to binary number 0001 in hexadecimal system?

A. 8

B. 1

C. 2

D. 4

E. 3

 

49. What number corresponds to binary number 0010 in hexadecimal system?

A. F

B. 4

C. 2

D. 8

E. 5

 

50. What number corresponds to binary number 0011 in hexadecimal system?

A. 2

B. 5

C. 7

D. 3

E. B

 

51. What number corresponds to binary number 0100 in hexadecimal system?

A. A

B. 4

C. 3

D. D

E. 2

 

52. What number corresponds to binary number 0101 in hexadecimal system?

A. B

B. 5

C. E

D. C

E. D

 

53. What number corresponds to binary number 0110 in hexadecimal system?

A. 6

B. 8

C. A

D. 2

E. 5

 

54. What number corresponds to binary number 0111 in hexadecimal system?

A. C

B. A

C. 7

D. 5

E. 4

 

55. What number corresponds to binary number 1000 in hexadecimal system?

A. 8

B. 4

C. 9

D. 6

E. 5

 

56. What number corresponds to binary number 1001 in hexadecimal system?

A. 2

B. 6

C. D

D. 9

E. 7

 

57. What number corresponds to binary number 1010 in hexadecimal system?

A. B

B. 5

C. 7

D. A

E. 6

 

58. What number corresponds to binary number 1011 in hexadecimal system?

A. B

B. 1

C. C

D. 7

E. F

 

59. What number corresponds to binary number 1100 in hexadecimal system?

A. E

B. D

C. C

D. 9

E. 4

 

60. What number corresponds to binary number 1101 in hexadecimal system?

A. 5

B. 2

C. B

D. D

E. 0

 

61. What number corresponds to binary number 1110 in hexadecimal system?

A. A

B. 2

C. 7

D. E

E. B

 

62. What number corresponds to binary number 1111 in hexadecimal system?

A. C

B. 6

C. E

D. F

E. D

 

63. How many digits are in hexadecimal system?

A. 32

B. 10

C. 2

D. 16

E. 8

 

64. How many digits are in binary system?

A. 32

B. 10

C. 2

D. 16

E. 8

 

65. How many digits are in decimal system?

A. 32

B. 10

C. 2

D. 16

E. 8

 

66. In what system the number 10 is the greatest?

A. binary

B. decimal

C. hexadecimal

D. binary and decimal

E. it is the same in all the systems

 

67. In what system the number 10 is the smallest?

A. binary

B. decimal

C. hexadecimal

D. binary and decimal

E. it is the same in all the systems

 

68. In what system the number 0 is the greatest?

A. binary

B. decimal

C. hexadecimal

D. binary and decimal

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