IT &computer MCQ section 6 MCQ Questions & Answers Detailed Explanation

Answer: (b)

A personal digital assistant (PDA), also known as a palmtop computer, or personal data assistant, is a mobile device that functions as a personal information manager. PDAs are largely considered obsolete with the widespread adoption of smartphones. Nearly all current PDAs have the ability to connect to the Internet.

Answer: (d)

Excel is different from the other three. Internet Explorer, Netscaps and Mozilla are navigation programmes. Microsoft Excel is a spreadsheet application.

Answer: (b)

A multi-user operating system allows multiple users to access a computer system at the same time.

Although frequently associated with multiprogramming, a multiuser operating system does, not imply multiprogramming or multitasking.

Answer: (d)

A programming error is an error which results from bad code in some program involved in producing the erroneous result. But, most of the errors are due to the person using it or giving wrong commands or data to the system. The next most common source is the poorly coded software.

Answer: (b)

The rate at which scanning is repeated in a CRT is called refresh rate.

Answer: (d)

A compiler is a computer program that transforms source code written in a programming language into another computer language the target language, often having a binary form known as object code.