Data Processing Questions and Answers

Organization of information is the standard way of arranging information.

In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc. Each sector stores a fixed amount of user-accessible data, traditionally 512 bytes for hard disk drives (HDDs) and 2048 bytes for CD-ROMs and DVD-ROMs.

Third generation computers were computers that emerged due to the development of the integrated circuit (IC). They were the first steps toward computers as we know them today.

In the propagation phase, the virus is fruitful and multiplies. The virus will start to insert copies of itself into other programs or areas on the disk. These copies are often altered in some way to make detection more difficult.

Information transmission refers to the process of transferring information between two or more digital devices.

Optical Mark reading (OMR) is a method of entering data into a computer system. Optical Mark Readers reads pencil or pen marks made in pre-defined positions on paper forms as responses to questions or tick list prompts.

An indexed file organization contains reference numbers, like employee numbers, that identify a record in relation to other records. These references are called the primary keys that are unique to a particular record.

Qualities of a computer programmer
- has passion for computers
- has desire for efficiency
- love to learn new technologies
- is a problem solver
- has excellent analytical thinking

Data are manipulated at Organization stage.

The idea was introduced in the late 1940s by John von Neumann, who proposed that a program be electronically stored in binary-number format in a memory device so that instructions could be modified by the computer as determined by intermediate computational results.