IT &computer MCQ section 4 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (a)

IC, or An integrated circuit is a small wafer, usually made of silicon, that can hold anywhere from hundreds to millions of transistors, resistors, and capacitors. These extremely small electronics can perform calculations and store data using either digital or analog technology.

Answer: (b)

An attribute that uniquely identifies the rows of a table is known as the primary key.

Answer: (d)

Processor chip, Printer and Mouse are hardware while JAVA is software.

Java is a programming language originally developed by James Gosling at Sun Microsystems (which has since merged into Oracle Corporation) and released in 1995 as a core component of Sun Microsystems’ Java platform.

The language derives much of its syntax from C and C++, but it has fewer low-level facilities than either of them.

Answer: (b)

Pseudocode is an informal high-level description of the operating principle of a computer program or other algorithm. It uses the structural conventions of a programming language, but is intended for human reading rather than machine reading.

Answer: (c)

Assembly language uses a mnemonics to represent each low-level machine operation or opcode. Some opcodes require one or more operands as part of the instruction, and most assemblers can take labels and symbols as operands to represent addresses and constants, instead of hard coding them into the program.