Computer Science

Plastic ribbon is coated with a magnetizable recording material. Iron oxide and chromium dioxide is generally used in magnetic tapes. Data are recorded on the tape in the form of tiny invisible dots.

MAR is a type of register which is responsible for the fetch operation. MAR is connected to the address bus and it specifies the address for the read and write operations.

Initially, the opcode is fetched from memory, then memory read and write operations are performed followed by I/O read and I/O write operations.

Fortran is not a case sensitive language. For e.g. PROGRAM xyz also works. Also, multiple consecutive blank spaces are ignored.

Most of the cloud architectures are built on Grid architecture. Grid is a type of distributed computing architecture where organizations owning data centers collaborate with each other to have common benefits.

It stands for debugging lines. Compiler fills in with the sequence numbers. There are certain coding rules that must be followed in COBOL.

BOOM stands for Binocular Omni-Orientation Monitor. It is a type of Stereoscopic display. Guidance of the box by the users.

The statement is true.

The NOT operator has the highest precedence. It is denoted by ! or – sign. Further, AND (.) operations are performed and then the OR terms are evaluated.

Owner is a part of the access control information. Other options are a part of usage information of a file.