Computer fundamental MCQ Questions and answers- Technical Aptitude

A compiler is a special program that processes statements written in a particular programming language and turns them into machine language or "code" that a computer's processor uses. Typically, a programmer writes language statements in a language such as Pascal or C one line at a time using an editor.

Central processing unit (CPU), principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit. CPU is part of computer performs functions similar to the cerebrums of the above cardiac and nervous system of a human body.

A buffer, also called buffer memory, is a portion of a computer's memory that is set aside as a temporary holding place for data that is being sent to or received from an external device, such as a hard disk drive (HDD), keyboard or printer.

ROM are very small in memory size. These memory is non-volatile, in the sense, the program stored in ROM don't get erased with power shut down. ROM are used to store permanent programs, which are very essential your hardware to perform correctly.

Unsourced material may be challenged and removed. In computer architecture, 12-bit integers, memory addresses, or other data units are those that are 12 bits (1.5 octets) wide. Hence, a microprocessor with 12-bit memory addresses can directly access 4096 words (4 KW) of word-addressable memory.

(106)₈ = (1000110)₂
Step 1:
Look up each octal digit to obtain the equivalent group of three binary digits. You can use the table below to make these conversions.
Hexadecimal to Binary Conversion Table:

Oct:	0	1	2	3	4	5	6	7
Bin:	000	001	010	011	100	101	110	111

(1)₈ = (001)₂
(0)₈ = (000)₂
(6)₈ = (110)₂
Step 2:
Group each value of step 1 to make a binary number
001 000 110
So, (1000110)₂ is the binary equivalent to (106)₈ (Answer).

Computer hardware is any physical device used in or with your machine, whereas software is a collection of code installed onto your computer's hard drive.

It is IBM model number 5150, and was introduced on 12^th August 1981. It was created by a team of engineers and designers under the direction of Don Estridge of the IBM Entry Systems Division in Boca Raton, Florida.

Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called random-access memory.

Most modern computers perform at levels of a billion instructions per second or more. 1,00,00,00,000 operations per second can perform by a modern fast mainframe digital computer.