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Source of the question bank: “Computer Level 2 Question Bank Excellent Questions” mini program
1.(69) The description of the data view used by a single user is called ()
A External Mode
B Conceptual Mode
C Internal Mode
D Storage Mode
2. Among the definitions of the struct type variable td, the incorrect one is () .
A typedef struct aa { int n; float m; }AA; AA td;
B struct aa{ int n;float m;}td;stmct aa td;
C struct { int n; float m; }aa; struct aa rd;
D struct{ int n;float m;}td;
3. Let p1 and p2 be pointer variables pointing to a one-dimensional blood type array, and k be an int type variable, then the statement that cannot be executed correctly is
A k=*p1+*p2
B p2=k;
C p1=p2;
D k=*p1*(*p2);
4. Given the definitions int a; double b; float c; char k;, the type of the value of the expression a/b+c-k is:
A int
B double
C float
D char
5. The following code segment: struct st {int x; int *y;}*pt; int a[]={1,2}, b[]={3,4}; struct st c[2]={10,a,20,b}; pt=c; Among the options, the expression that evaluates to 11 is () .
A *pt->y
B pt->x
C ++pt->x
D (pt++)->X
6. The output of the following program is ( ). main(){ int a=-5, b=1, c=1; int x=0, Y=2, z=0; if(c>0)x=x+ y; if(a<=0) { if(b>0) if(c<=0)y=x-y; } else if(c>0)Y=x-y; else z=y; printf(“%d, %d, %d\n”, x, y, z);}
A 2,2,0
B 2,2,2
C 0,2,0
D 2,0,2
7. The return type of the function is ( ). fun(double x) { float y; y=3*x-4; return y; }
A int
B Uncertain
C void
D float
8. There are 1000 64×64 matrix character libraries, and their storage space is () KB.
A 500
B 1000
C 512
D 1024
9. The following program int f1(int x, int y){return x>y?x:y;} int f2(int x, int y){return x>y?y:x;} main() { int a=4, b=3, c=5, d=2, e, f, g; e=f2(f1(a,b),f1(c,d));f=f1(f2(a,b),f2(c,d));g=a+b+c+d-e-f; printf(“%d,%d,%d\n”, e,f,g); } The output after the program runs is
A 4,3,7
B 3,4,7
C 5,2,7
D 2,5,7
10. The following is a user-defined identifier:
A _w1
B 3_xy
C int
D LINE-3
11. If the variable x is given an input of 12 at runtime, the output of the following program is main() { int x,y; scanf(“%d”,&x); y=x>12? x+10:x-12; printf(“%d\n”,y);}
A 0
B 22
C 12
D 10
12. The chain storage structure of a linear table is a type of ______ storage structure.
A Random Storage
B Sequential Storage
C Index Structure
D Hash Structure
13. The output of the following program is ______. #include
A ihgfedcba
B abcdefghi
C abcdedeba
D ihgfefghi
14. The main task of software detailed design is to determine the ( ) of each module.
A Algorithm and Data Structure Used
B External Interfaces
C Functions
D Programming
15. The output of the following program is ( ). #include
A 4
B 7
C 6
D 5
16. The following option is an incorrect real constant ( ).
A 2.607E-1
B 0.8103e2
C -77.77
D 456e-2
17. If int a=11; then the value of the expression (a++*1/3) is ( ).
A 0
B 3
C 4
D 12
18. Two smart people A and B go shopping and find a shopping card worth 10 yuan. They think of a way to distribute this card. They each write down their price, and whoever offers a higher price gets the card, and that person must give the other the amount they offered. Now A has 6 yuan, and B has 8 yuan. Both know how much the other has and want to earn more than the other. Who will end up with more money?
A A more
B B more
C The same
D There may be a situation where someone loses money
19. The following program: #include
A 0101
B 1000
C 1100
D 1010
[Reference Answers]
1.A
2.C
3.B
4.B
5.C
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