What is the output of the following code? Assume that int is 32 bits, short is 16 bits, and the representation is two’s complement. unsigned int x = 0xDEADBEEF; unsigned short y = 0xFFFF; signed int z =-1; if (x > (signed short) y) printf("Hello"); if (x > z) printf("World"); (a) Prints nothing. (b) Prints ”Hello” (c) Prints ”World” (d) Prints ”HelloWorld”
Control structures
Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.
Switch Statement
The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.
What is the output of the following code?
Assume that int is 32 bits, short is 16 bits, and the representation is two’s
complement.
unsigned int x = 0xDEADBEEF;
unsigned short y = 0xFFFF;
signed int z =-1;
if (x > (signed short) y)
printf("Hello");
if (x > z)
printf("World");
(a) Prints nothing.
(b) Prints ”Hello”
(c) Prints ”World”
(d) Prints ”HelloWorld”
Unsigned Integer :
An unsigned integer is a data type used in computer programming to represent whole numbers that are always non-negative (i.e., greater than or equal to zero). Unlike signed integers, which can be positive, negative, or zero, unsigned integers can only be zero or positive.
In most programming languages, unsigned integers are represented using a fixed number of bits, which determines the range of values that can be stored. For example, an 8-bit unsigned integer can represent values from 0 to 255 (28 - 1), while a 32-bit unsigned integer can represent values from 0 to 4,294,967,295 (232 - 1).
Unsigned Short :
"unsigned short" is a data type in programming that represents an integer (whole number) that can have values from 0 to 65,535 (216-1) and does not allow negative values. The "unsigned" keyword indicates that the variable of this data type will only store non-negative values.
In most programming languages, the "unsigned short" data type takes up 2 bytes of memory. It is commonly used when the values being stored are guaranteed to be non-negative, such as for storing port numbers, pixel coordinates, or other numeric values that cannot be negative.
Signed int :
In computer programming, a signed integer (or "signed int") is a type of data that represents a whole number (i.e., an integer) that can be either positive or negative.
Unlike an unsigned integer, which only represents non-negative numbers, a signed integer can represent both positive and negative values. The most significant bit (or leftmost bit) of a signed integer is used to indicate the sign of the number: a 0 bit indicates a positive number, while a 1 bit indicates a negative number.
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