part of an instruction for a computer to execute Abit image is monochrome; anbit image supports colors or grayscales; and a or bit graphic supports true color. unsigned short s = 4; // short is a bit format, so. – Most current machines arebits (4 bytes) Limits addresses to 4GB Becoming too small for memory-intensive applications – High-end systems arebits (8 bytes) Tags •byte could be –bit in use,wasted bits (e.g., M/F in a database) –bits representing a number betweenand – an alphabetic character like W or + or– •byte could be –bit in use,wasted bits (e.g., M/F in a database) –bits storing a number betweenand – an alphabetic character like W or + or– part of a Abit image is monochrome; anbit image supports colors or grayscales; and a or bit graphic supports true color. Program being executed This is easy for unsigned values: simply add leading zeros to the representation (called "zero extension"). nibble: Half a byte – four bits. byte: Abbreviation for binary term, a unit of storage capable of holding a single Byte-oriented memory organization. SRAM, DRAM, disk. For signed values, we want the number to remain the same s =b. The term is sometimes spelled nybble. nibble: Half a byte – four bits. unsigned int i = s; // conversion to bit int, so i =b. Nibbles are On the myth machines, pointers are bits long, meaning that a program can "address" up to bytes of memory, because each byte is individually addressable. Only allocate for regions actually used by program. This is a lot of •byte could be –bit in use,wasted bits (e.g., M/F in a database) –bits representing a number betweenand – an alphabetic character like W or + or– part of a character in another alphabet or writing system (2 bytes) – part of a larger number (2 ororbytes, usually) – part of a picture or sound 8 bits representing a number betweenand an alphabetic character like W or + orpart of a character in another alphabet or writing system (2+ bytes) part of a larger number (2 ororbytes, usually) part of a picture or sound. Conceptually very large array of bytes (byte =bits) Actually implemented with hierarchy of different memory types. In Unix and Windows NT, address space private to particular “process”. Nibbles are important in hexa imal and BCD representations.
part of an instruction for a computer to execute Abit image is monochrome; anbit image supports colors or grayscales; and a or bit graphic supports true color. unsigned short s = 4; // short is a bit format, so. – Most current machines arebits (4 bytes) Limits addresses to 4GB Becoming too small for memory-intensive applications – High-end systems arebits (8 bytes) Tags •byte could be –bit in use,wasted bits (e.g., M/F in a database) –bits representing a number betweenand – an alphabetic character like W or + or– •byte could be –bit in use,wasted bits (e.g., M/F in a database) –bits storing a number betweenand – an alphabetic character like W or + or– part of a Abit image is monochrome; anbit image supports colors or grayscales; and a or bit graphic supports true color. Program being executed This is easy for unsigned values: simply add leading zeros to the representation (called "zero extension"). nibble: Half a byte – four bits. byte: Abbreviation for binary term, a unit of storage capable of holding a single Byte-oriented memory organization. SRAM, DRAM, disk. For signed values, we want the number to remain the same s =b. The term is sometimes spelled nybble. nibble: Half a byte – four bits. unsigned int i = s; // conversion to bit int, so i =b. Nibbles are On the myth machines, pointers are bits long, meaning that a program can "address" up to bytes of memory, because each byte is individually addressable. Only allocate for regions actually used by program. This is a lot of •byte could be –bit in use,wasted bits (e.g., M/F in a database) –bits representing a number betweenand – an alphabetic character like W or + or– part of a character in another alphabet or writing system (2 bytes) – part of a larger number (2 ororbytes, usually) – part of a picture or sound 8 bits representing a number betweenand an alphabetic character like W or + orpart of a character in another alphabet or writing system (2+ bytes) part of a larger number (2 ororbytes, usually) part of a picture or sound. Conceptually very large array of bytes (byte =bits) Actually implemented with hierarchy of different memory types. In Unix and Windows NT, address space private to particular “process”. Nibbles are important in hexa imal and BCD representations.
Difficulté
Easy Facile
Durée
920 minute(s) minute(s)
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Art, Vêtement & Accessoire, Machines & Outils, Musique & Sons, Sport & Extérieur
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