HK2- Thi Tin Học
Quiz
•
Computers
•
11th Grade
•
Easy
Hữu 80
Used 4+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xâu trong python là:
Một kí tự
Một dãy các số
Một dãy các kí tự
Một giá trị bất kì.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Độ dài của xâu được tính thông qua lệnh:
len()
range()
append()
for
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cho S=”Học sinh 11A”, Vậy S[-1]=?
‘H’
‘ọ’
‘c’
‘A’
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 2 xâu S1= ‘11a3’ và S2= ‘11A5’; khi đó S2 + S2 cho kết quả nào?
'11A3 11A3'
'11a5 11a5'
'11A511A5'
'11a3'
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xâu rỗng là xâu?
Không có phần tử nào
Xâu có kí tự cách
Có duy nhất 1 phần tử
Có độ dài vô tận
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho a='Xuân Sang' . Khi tham chiếu đến ký tự 'g' ta viết như thế nào?
a[6]
a[7]
a[5]
a[8]
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai xâu kí tự được so sánh dựa trên?
Mã của từng kí tự
Độ dài tối đa
Độ dài thực sự
Số lượng kí tự
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