Информатика на ! тест пару вопросов!
6. practice of creating computer systems and applications
a) numeric system
b) operating system
c) information technology
d) data technology
e) digital system
9. microprocessor:
a) structured arrangement of items within certain limits
b) act of animating, or giving life or
spirit
c) data technology that uses
discrete values
d) computer hardware on a
single integrated circuit
e) electronic screen that shows
graphics or text
10. software is…
a) program files
b) all computer components
c) binary data
d) environment
e) computer programs
12. in what form the information is stored in the windows registry?
a) binary
b) process
c) open source
d) device driver
e) code page
13. codes which are placed into programs and do malicious actions
a) trojan
b) cookies
c) drweb
d) viruses
e) worms
15. in which programming language can we program the macros in excel?
a) visual basic
b) delphi
c) java
d) php
e) sql
18. devices referred as« connected devices» and« smart devices»
a) iot
b) internet of things
c) big data
d) blockchain technology
e) smart device
19. which of the following extensions indicates a microsoft access file?
a) . exe
b) . dpr
c) . local
d) . dfm
e) . accdb
21. select tag to set numbered list
a) < hi>
b) < li>
c) < td>
d) < ol>
e) < ul>
25. set columns from one or more tables
a) query in a relational database
b) forms in relational database
c) row in a relational database
d) key in a relational database
e) macros in a relational database
a = 1; b = 4; c = 7
a = 1; b = 7; c = 4
a = 4; b = 7; c = 1
a = 4; b = 1; c = 7
Объяснение:
Вот код программы на C++:
#include <iostream>
using namespace std;
void main()
{
setlocale (LC_ALL, "RUS");
int a, b, c, M;
cout << "Введите число а: ";
cin >> a;
cout << "Введите число b: ";
cin >> b;
cout << "Введите число c: ";
cin >> c;
if (a > b)
{
M = a;
}
else
{
M = b;
}
if (c > b)
{
M = c;
}
else
{
M = b;
}
cout << "Наибольшее число: " << M << endl;
}
Можешь сам(а) на онлайн-компиляторе проверить выражения, если не уверен(а).
var
x, y: integer;
n: integer;
sum: integer;
mindif: integer;
f: text;
begin
assign(f,'C:\27-A.txt');
reset(f);
readln(f, n);
sum := 0;
mindif := 20001;
while not eof(f) do begin
readln(f, x, y);
if x > y then
sum := sum + x
else
sum := sum + y;
if (abs(x - y) < mindif) and (abs(x-y) mod 3 <> 0) then mindif := abs(x-y);
end;
if sum mod 3 <> 0 then
writeln(sum)
else
writeln(sum - mindif);
end.
Объяснение: