Question

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Answer 1

Answer:

Integer Literals: These are used to represent and store the integer values. Integer literals are expressed in two types i.e.,

Prefixes: The Prefix of the integer literal indicates the base in which it is to be read.

For example:

0x10 = 16

Because 0x prefix represents a HexaDecimal base.

So 10 in HexaDecimal is 16 in Decimal.

Hence the value 16.

There are basically represent in four types.

Decimal-literal(base 10): A non-zero decimal digit followed by zero or more decimal digits(0, 1, 2, 3, 4, 5, 6, 7, 8, 9).

For example:

56, 78

Octal-literal(base 8): a 0 followed by zero or more octal digits(0, 1, 2, 3, 4, 5, 6, 7).

For example:

045, 076, 06210

Hex-literal(base 16): 0x or 0X followed by one or more hexadecimal digits(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, A, b, B, c, C, d, D, e, E, f, F).

For example:

0x23A, 0Xb4C, 0xFEA

Binary-literal(base 2): 0b or 0B followed by one or more binary digits(0, 1).

For example:

0b101, 0B111

Suffixes: The Prefix of the integer literal indicates the type in which it is to be read.

For example:

12345678901234LL

indicates a long long integer value 12345678901234

because of the suffix LL

These are represented in many ways according to their data types.

int: No suffix is required because integer constant is by default assigned as an int data type.

unsigned int: character u or U at the end of an integer constant.

long int: character l or L at the end of an integer constant.

unsigned long int: character ul or UL at the end of an integer constant.

long long int: character ll or LL at the end of an integer constant.

unsigned long long int: character ull or ULL at the end of integer constant.

Example:

C

#include <stdio.h>

int main()

{

// constant integer literal

const int intVal = 10;

printf("Integer Literal:%d \n",

intVal);

return 0;

}

Answer 2

Answer:

Trade is a basic economic concept involving the buying and selling of goods and services, with compensation paid by a buyer to a seller, or the exchange of goods or services between parties. Trade can take place within an economy between producers and consumers.

Explanation:

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