Computer Fundamental Miscellaneous - Study Mode

[#956] Conversion of an octal number 106 8 to binary number is
Correct Answer

(B) 1000110 2

Explanation

Solution: (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).

[#957] The physical equipment made oi various metals, silicon and plastic components that make up the parts of a computer is called
Correct Answer

(C) hardware

Explanation

Solution: 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.

[#958] Who launched IBM's First PC in 1981?
Correct Answer

(B) C.B. Rogers Jr.

Explanation

Solution: 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.

[#959] Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called
Correct Answer

(B) random-access memory

Explanation

Solution: 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.

[#960] How many operations per second can perform by a modern fast mainframe digital computer.
Correct Answer

(D) 1,00,00,00,000

Explanation

Solution: 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.