IT &computer MCQ section 6 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (b)

Alternatively referred to as PC DOS, IBM DOS is a text-based operating system similar to Microsoft’s DOS, but only sold by IBM. DOS is a single-user, single-tasking operating system with basic kernel functions that are non-reentrant: only one program at a time can use them and DOS itself has no functionality to allow more than one program to execute at a time.

Answer: (c)

Telnet is a protocol.

Answer: (d)

Assembly language is converted into executable machine code by a utility program referred to as an assembler. The conversion process is referred to as assembly, or assembling the code.

Answer: (c)

MS-DOS stands for Microsoft Disk Operating System. It is a discontinued operating system for x86- based personal computers mostly developed by Microsoft. It was the main operating system for IBM PC compatible personal computers during the 1980s and 1990s.

Answer: (c)

A bug in a program is an error, flaw, mistake or failure.