History of Computer New Technology Evolution MCQ Notes PDF

1. First mechanical calculating device.

2. It was a wooden rack which has metal rods with beads mounted on them.

3. A horizontal rod represents the one, tens, hundreds, etc.

1. Used for addition and subtraction operations.

2. The beads were moved by the abacus operator according to some rules to perform arithmetic calculations.

3. Calculation of square roots can also be performed.

1. Three dimensional structure.

2. Holding numbers from 0 to 9 only.

3. He used 9 different ivory strips or bones marked with numbers to multiply and divide.

4. Represent graphical structure of calculating result.

1. Perform multiplication on numbers.

2. Technology used for calculation called Rabdologia.

3. It was also the first machine to use the decimal point.

1. First mechanical adding machine & automatic calculator.

2. It was structured like rectangular box, with eight discs (representing a number of units).

3. It was a wooden box with a series of gears and wheels. When a wheel is rotated one revolution, it rotates the neighboring wheel. A series of windows is given on the top of the wheels to read the totals.

1. Pascal invented this machine to help his father, a tax accountant.

2. Perform addition and subtraction of two numbers.

3. Mainly designed with regard to the pressure of liquid.

1. It is an improved version of Pascal's invention.

2. It was made up of fluted drums instead of gears.

Digital mechanical calculator.

1. Mainly weaved a silk based pattern.

2. Used punched card for the sequence of operation.

Simplified the process of Textiles.

1. It was a mechanical computer which could perform simple calculations.

2. It was a steam driven calculating machine.

It was designed to solve tables of numbers like logarithm tables.

1. First general-purpose computer.

2. Stored program in the form of ‘pegs’ also called barrels.

3. It was a mechanical computer that used punch-cards as input.

1. It was capable of solving any mathematical problem and storing information as a permanent memory.

2. It was a decimal machine used to sign and magnitude for representation of a number.

1. It used punched cards with round holes.

2. It was the first electromechanical machine, designed to process the data for census in 1890.

3. It was a mechanical tabulator based on punch cards.

4. Hollerith also started the Hollerith's Tabulating Machine Company which later became International Business Machine (IBM) in 1924.

1. Read one card at a time.

2. It could tabulate statistics and record or sort data or information.

3. This machine was used in the 1890 U.S. Census.

1. It was an analog device.

2. This machine has vacuum tubes to switch electrical signals.

It could do 25 calculations in few minutes.

1. First electronic computer.

2. Data can be entered manually.

3. Mark I computer was built as a partnership between IBM and Harvard.

4. It was the first programmable digital computer.

1. Mainly used in the war effort during World War-II.

2. Magnetic drums are used for storage.

1. It is a combination of twenty accumulators.

2. First electronic digital computer.

Used for weather prediction, atomic energy calculation and other scientific uses.

1. It was first computer which provided storage capacity.

2. First computer program was run on machine.

1. Capable of storing instructions and data in memory.

2. Used mercury delay lines for memory, vacuum tubes for logic.

First general-purpose electronic computer with large amount of input and output.

Used magnetic tapes as input and output.

Provided input/output units converting alphabetical and special characters to two-digit decimal code.

1. Payroll processing

2. Oil refinery design

3. Market research analysis