ĐỀ 2_KIỂU XÂU
Quiz
•
Computers
•
KG
•
Hard
Hong Nguyen
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thủ tục insert(s1,s2,p) thực hiện:
Chèn xâu s1 vào xâu s2 bắt đầu ở vị trí p;
Chèn xâu s2 vào xâu s1 bắt đầu ở vị trí p;
Chèn p kí tự của xâu s1 vào đầu xâu s2;
Chèn p kí tự của xâu s2 vào đầu xâu s1;
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho sâu s1 = ‘123’; s2 = ‘abc’ sau khi thực hiện thủ tục Insert(s1,s2,2) thì:
s1 = ‘123’; s2 = ‘a123bc’
s1 = ‘123’; s2 = ‘12abc’
s1 = ‘1abc23’; s2 = ‘abc’
s1 = ‘ab123; s2 = ‘abc’
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho s = ‘500 ki tu’, hàm Length(s) cho giá trị bằng:
‘500’;
‘5’;
9
500
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho s1 = ‘010’; s2 = ‘1001010’ hàm pos(s1,s2) cho giá trị bằng:
3
4
5
0
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho s = ‘123456789’ hàm Copy(s,2,3) cho giá trị bằng:
a. b. c. d.
‘234’;
234;
‘34’;
34;
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Độ dài tối đa của xâu kí tự trong PASCAL là bao nhiêu?
256
255
254
tùy ý
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho xâu S là ‘Hanoi-Vietnam’. Kết quả của hàm Length(S) =?
12
13
'13'
'12'
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