Scd

SCD may refer to:

In medicine

In programming and computer science

Other uses

Human Exploitation and Organised Crime Command

The Human Exploitation and Organised Crime Command (SCD9) is a branch of the Specialist Crime Directorate within London's Metropolitan Police Service. The SCD9 is primarily tasked with investigating human trafficking, and also has responsibility for policing prostitution, obscene publications, nightclubs, vice, casino fraud, money laundering and identity fraud.

Formation

On 29 October 2009, the Metropolitan Police Authority (MPA) received a report on the MPS review into investigation of human trafficking. The report profiled the units investigating these crimes: the clubs and vice unit (CO14), then part of Central Operations; and the Human Trafficking Team (HTT), then part of Operation Maxim with a remit to investigate organised immigration crime.

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Device file

In Unix-like operating systems, a device file or special file is an interface for a device driver that appears in a file system as if it were an ordinary file. There are also special files in MS-DOS, OS/2, and Microsoft Windows. They allow software to interact with a device driver using standard input/output system calls, which simplifies many tasks and unifies user-space I/O mechanisms.

Device files often provide simple interfaces to peripheral devices, such as printers and serial ports. But they can also be used to access specific resources on those devices, such as disk partitions. Finally, device files are useful for accessing system resources that have no connection with any actual device such as data sinks and random number generators.

MS-DOS borrowed the concept of special files from Unix, but renamed them devices. Because early versions of MS-DOS did not support a directory hierarchy, devices were distinguished from regular files by making their names reserved words. This means that certain file names were reserved for devices, and should not be used to name new files or directories. The reserved names themselves were chosen to be compatible with "special files" handling of PIP command in CP/M. There were two kinds of devices in MS-DOS: Block Devices (used for disk drives) and Character Devices (generally all other devices, including COM and PRN devices). PIPE, MAILSLOT, and MUP are other standard Windows devices.

Film score

A film score (also sometimes called background score, background music, film music or incidental music) is original music written specifically to accompany a film. The score forms part of the film's soundtrack, which also usually includes dialogue and sound effects, and comprises a number of orchestral, instrumental, or choral pieces called cues, which are timed to begin and end at specific points during the film in order to enhance the dramatic narrative and the emotional impact of the scene in question. Scores are written by one or more composers, under the guidance of, or in collaboration with, the film's director or producer and are then usually performed by an ensemble of musicians – most often comprising an orchestra or band, instrumental soloists, and choir or vocalists – and recorded by a sound engineer.

Film scores encompass an enormous variety of styles of music, depending on the nature of the films they accompany. The majority of scores are orchestral works rooted in Western classical music, but many scores are also influenced by jazz, rock, pop, blues, new-age and ambient music, and a wide range of ethnic and world music styles. Since the 1950s, a growing number of scores have also included electronic elements as part of the score, and many scores written today feature a hybrid of orchestral and electronic instruments.