IT &computer MCQ section 5 MCQ Questions & Answers Detailed Explanation

Answer: (c)

A personal computer (PC) is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator.

This contrasted with the batch processing or time-sharing models which allowed larger, more expensive minicomputer and mainframe systems to be used by many people.

Answer: (d)

Microsoft PowerPoint is a robust tool for creating powerful multimedia presentations. It provides such features as clip art, fancy fonts, animations, charts, graphics, sound, and an array of dazzling color schemes to make the presentations more interactive and effective.

Answer: (a)

The terabyte is a multiple of the unit byte for digital information.

1 TB = 1012bytes

= 1073741824 Kilobyte

= 1048576 MB = 103 gigabytes

Answer: (a)

IC stands for Integrated Circuit. It is a set of electronic circuits on one small plate (“chip”) of semiconductor material, normally silicon. Also known as chip or microchip, ICs are the heart and brains of most circuits and are are a keystone of modern electronics.

Answer: (d)

Concatenation is the process of appending one string to the end of another string. When we concatenate string literals or string constants by using the + operator, the compiler creates a single string. No run time concatenation occurs.

However, string variables can be concatenated only at run time.

Answer: (d)

Windows NT is designed for multi-processor systems. It supports symmetrical multiprocessing which enables multiple microprocessors to be productive at all times, increasing the overall system throughput and taking advantage of available processing power. Multiprocessing enables multiple tasks or applications to run in parallel on different microprocessors.

Personal workstations are designed to operate with more than one microprocessor in order to take advantage of the multiprocessing capabilities of Windows NT (The GIS Book by G.B. Corte)