Cách viết nào sau đây là khai báo sai?
SỬA BÀI KIỂM TRA HỌC KỲ - PHẦN 3

Quiz
•
Computers
•
1st Grade
•
Hard

Minh Anh
Used 12+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Var Hoten: String;
Var Hoten: Array[1..10] of byte;
Var Hoten: String[100]
Var Hoten: Array[1..30] of Char;
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Cho khai báo: Var ho, ten: String[20];
Lệnh nào sai?
Write(‘Ho ten la: ’;Ho; Ten);
Write(‘Ho ten la: ’,+Ho+Ten);
write(‘Ho ten la: ’, Ho, Ten);
write(‘Ho ten la: ’, Ho + Ten);
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kết quả của câu lệnh length(‘ . toi la hoc sinh’) bằng bao nhiêu?
18
17
19
16
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kết quả của đoạn chương trình sau là gì?
x:= ‘a’; y:= ‘A’; upcase(y);
‘A’
‘a’
‘Y’
‘y'
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Trong ngôn ngữ lập trình Pascal, xâu kí tự có tối đa bao nhiêu kí tự?
525
552
256
255
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Cho s= ‘123456789’ hàm copy(s,6,3) cho giá trị bằng:
‘678’
‘345678’
‘456789’
‘789’
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn chương trình sau:
chuoi:= ‘Viet Nam Dat Nuoc’;
delete(chuoi,9,9);
insert(‘Dat Nuoc’,chuoi,1);
Sau khi thực hiện đoạn chương trình kết quả của biến chuoi là?
'Viet Nam Dat Nuoc'
'Dat NuocViet Nam'
'Viet NamDat Nuoc'
'Dat Nuoc Viet Nam'
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