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Петя заметил, что сегодня удивительный день: на его флешке все файлы различного объема и размер в килобайтах каждого файла является точной степенью двойки, а всего занято 2017 килобайт. Сколько файлов у Пети на флешке?
В качестве ответа укажите одно целое число.
Комментарий. Точные степени двойки — это 1, 2, 4, 8, 16, 32, …-
Предмет:
Информатика -
Автор:
izabella - 6 лет назад
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Ответы 1
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Можно посчитать количество степеней двойки в числе путем перевода из десятичной системы счисления в двоичную.2017(10)=11111100001(2). Посчитаем количество единиц-8. Это и будет ответ.Ответ:8.
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Автор:
dorsey - 6 лет назад
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1. These essay ____ last year. *
1 балл
a. were published
b. be published
c. was being published
d. was published
2. I’m looking for a book ___ Ukrainian cuisine. *
1 балл
a. on
b. in
c. of
d. at
3. I’m sorry, I didn’t want to cause any inconveniences. *
1 балл
a. terribly
b. terriber
c. terrible
d. the most terrible
4. The more expensive the diamond ____ quality it has. *
1 балл
a. best
b. the better
c. the best
d. better
5. That ___ be true! *
1 балл
a. can’t
b. shouldn’t
c. mustn’t
d. oughtn’t to
6. The tasks get ___ complicated. *
1 балл
a. more and more
b. most and most
c. most and more
d. more and more
7. Forgive ___ so much of your time. *
1 балл
a. my taking up
b. taking up
c. me take up
d. being taken up
8. Mother told Max ____ to bed *
1 балл
a. went
b. to go
c. would go
d. had gone
9. Their quarrelling was heard ____ the building. *
1 балл
a. among
b. with
c. all over
d. onto
10.But for her parents she ____ this film. *
1 балл
a. had watched
b. would have watched
c. would watch
d. watched
11. I am sorry ____ your pencil. *
1 балл
a. to be breaking
b. to break
c. to have broken
d. to have been broken
12. _____ each other for ages, they had a lot to talk about. *
1 балл
a. not seeing
b. not seen
c. not having seen
d. not being seen
13. The instructions are clear, you ___ use the camera underwater. *
1 балл
a. shouldn’t
b. don’t have to
c. must not
d. haven’t to
14. Please, remember ____ the door when you go out. *
1 балл
a. closing
b. having closed
c. your closing
d. to close
15.____ I want to say that everything I did was to save you. *
1 балл
a. latter
b. lastly
c. the lastly
d. last
16. We asked Thomas where ___ *
1 балл
a. did he live
b. he lives
c. he lived
d. had he lived
17. If he ___ his medical studies, he would be a doctor now. *
0 баллов
a. have finished
b. had finished
c. finished
d. finish
18. Just as ______ Wall Street in ____ New York is in ______ centre of commerce and finance so _____ City of London is ______ centre for money matters. *
1 балл
a. the, -, -, -, -
b. -, - , the, the, the
c. the, -, a, the, the
d. -, -, an, -, the
19. He is said ____ all his money to his only child. *
1 балл
a. to have been left
b. to leave
c. to left
d. to have left
20. _____ our meal, we went out. *
1 балл
a. finished
b. finishing
c. having finished
d. having been finished
21. These towels ____ by the maid tomorrow. *
1 балл
a. will wash
b. will be washing
c. will be washed
d. will being washed
22. These are very long ____. *
1 балл
a. storys
b. stories
c. storyes
d. storis
23. Information ____ available at the front desk. *
1 балл
a. is
b. are
c. has
d. have
24. ____ Second World War ended in 1945 *
1 балл
a. –
b. an
c. the
d. a
25. Some plants in this store require very little care, but this one needs much more sunlight than ___. *
1 балл
a. the others
b. the others ones
c. the others one
d. other’s ones
26. It became quite clear that something ____ wrong *
1 балл
a. has gone
b. went
c. goes
d. go
27. I see that he has lost ____ pencil, perhaps you can lend him ____ ? *
1 балл
a. his, your
b. her, you
c. his, yours
d. hers, your
28.After he ___ the poem he’ll learn it by heart. *
1 балл
a. has read
b. had read
c. has been reading
d. read
29. We shall start at six o’clock if it ____ raining by that time. *
1 балл
a. will have stopped
b. has stopped
c. stops
d. will stop
30. Hardly ____ raining when a rainbow appeared in the sky. *
1 балл
a. did it stop
b. had stopped
c. has it stopped
d. had it been stopping
31. My brother ____ so much since our last meeting that I hardly recognized him. *
1 балл
a. changed
b. was changed
c. had changed
d. has been changed
32. By next august I _____ my exams and I’ll be ready for a holiday. *
1 балл
a. shall finish
b. shall be finishing
c. shall finish
d. shall have finished
33. All ____ special tasks to perform. *
1 балл
a. has
b. have
c. is
d. are
34. The secretary ___ the report two days ago. *
1 балл
a. typed
b. was typing
c. has typed
d. types
35. He read a newspaper and then ____ to bed. *
1 балл
a. went
b. were going
c. will go
d. goes
36. They didn’t have to go there by plane, ____ they? *
1 балл
a. did they
b. weren’t
c. didn’t
d. did
37. I saw him yesterday. I thought he _____ England last year. *
1 балл
a. left
b. had left
c. is leaving
d. will leave
38. Sunday was ____ day of the year. *
1 балл
a. the cold
b. colder
c. cold
d. the coldest
39. I can’t hear you. Can you speak ____? *
1 балл
a. louder
b. loud
c. loudest
d. much louder
40. The tourists ____ a bus this morning. *
1 балл
a. take
b. took
c. have taken
d. taking-
Предмет:
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Автор:
janiah - 6 лет назад
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Ответов:
1 -
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Предмет:
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Ответов:
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