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

Answer: (c)

Principal components of a central processing unit (CPU)include the arithmetic logic unit (ALU) that performs arithmetic and logic operations, processor registers that supply operands to the ALU and store the results of ALU operations, and a control unit that orchestrates the fetching (from memory) and execution of instructions by directing the coordinated operations of the ALU, registers and other components.

Answer: (c)

ENIAC- Electronic Numerical Integrator And Computer was the first electronic general-purpose computer. It was Turing-complete, digital, and capable of being reprogrammed to solve “a large class of numerical problems”.

The ENIAC was built between 1943 and 1946 in The Moore School of Engineering, University of Pennsylvania.

Answer: (a)

On 15th July, 2007, HCL InfoSystem Ltd. India’s premier information and the country’s largest PC manufacturer announced the launch of India’s first personal computer with one terabyte hard drive capacity in the market.

Answer: (c)

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

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: (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.