
KIỂU XÂU
Authored by Nguyen Oanh
Computers
1st - 10th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Trong các khai báo sau, khai báo nào là đúng?
A.Var st:string[150];
B. Var st:string[257];
C. Var st = string [10];
D. Var st = string ;
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Để nhập vào từ bàn phím xâu St
ta sử dụng lệnh nào sau đây?
A.Write (St);
B.Write (St[i]);
C.Readln (St[i]);
D.Readln (St);
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Lệnh nào để in ra màn hình
kí tự cuối cùng trong xâu St?
A.Write (St);
B. Write (length(St));
C. Write (St[length(st)]);
D. Write (St[1]);
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho xâu : S1:= ‘Chao cac ban’; S2:= ’11A6’;
Để được xâu S3 có giá trị là ‘Chao cac ban 11A6’ ta sử dụng lệnh nào sau đây?
A.S3:=S2+S1;
B. S3:= S1+ S2;
C. S3:= S1+ ‘ ‘ +S2;
D. S3:= S1+ ’11A6’;
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho xâu st:=‘Mon tin hoc’;
Sau khi thực hiện thủ tục Delete( st,8,4)
thì giá trị của st là?
A.Mon hoc
B. Mon Tin
C. tin hoc
D. Mon tin
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chọn đáp án đúng về các phép so sánh xâu sau?
A. ‘Turbo’ < ’Turbo Pascal’
B. ‘Lop tin B’ < ’Lop tin A’
C. ‘Que huong’ <> ’Que huong’
D. Tất cả đều sai
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho biết kết quả của đoạn chương trình sau?
Var A, B: string;
Begin A:= ‘Tin hoc’; B:= ’ 11’;
Insert(B, A, 8);
Write(A);
A. tin hoc 11
B. Tin hoc11
C. Tinhoc 11
D. Tin hoc 11
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