Question Bank for 7th Class Computers Science Heredity and Evolution Evolution of Computers

Column - I	Column - II
(a) John Mauchly & J. Presper Eckert	(i) IBM Mark I Computer
(b) Howard H. Aiken	(ii) Invented the Difference Engine and Analytical Engine
(c) Charles Babbage	(iii) Invented electro-mechanical tabulator to help with the U.S. Census
(d) Herman Hollerith	(iv) Created the ENIAC

A)

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

B)

(a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)

C)

(a) - (iii), (b) - (i), (c) - (ii), (d) - (iv)

D)

(a) - (iv), (b) - (ii), (c) - (iii), (d) - (i)

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2)

Which among the following is a mechanical analog computer that uses wheel and disc mechanisms to solve differential equations?

A)

ENIAC

B)

Differential Analyser

C)

EDSAC

D)

UNIVAC

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3)

Which of the following is NOT a feature of second generation computers?

A)

Transistors were used.

B)

Magnetic core memory was developed and used.

C)

Timesharing operating systems were used.

D)

Easier to program than first generation computers.

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4)

________generation of computers used magnetic disks as backing store medium and introduced programming languages such as COBOL and BASIC.

A)

First

B)

Second

C)

Third

D)

None of these

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5)

Identify the following:

- It is larger than microcomputer.

- CDC-160A and Micro VAX 3100 are its examples.

A)

Supercomputer

B)

Minicomputer

C)

Mobile PC

D)

DeskComputer

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6)

Intel 4004 was the ________.

A)

First single chip microprocessor

B)

First multi-tasking operating system

C)

Portable micro-computer for general purpose

D)

One of the first generation device

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7)

A technology used to produce machines like Computer and robots that display intelligence quite similar to the intelligence shown by human beings is called _______.

A)

Biotechnology

B)

Cross-over technology

C)

Simulation

D)

Artificial Intelligence

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8)

A _______ is a multiuser computer system capable of supporting hundreds of users simultaneously.

A)

Tablet PC

B)

Personal computer

C)

Mini Computer

D)

Terminal

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9)

A marvel of technology, the _________are computers that perform complex scientific calculations speedily.

A)

Servers

B)

Supercomputers

C)

Laptops

D)

PDA

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10)

These are specially designed computer chips. They reside inside other devices. Examples of such devices can be your car's dashboard, washing machines and microwave ovens, or the electronic thermostat in air conditioners.

A)

Servers

B)

Embedded system

C)

Robotic computers

D)

Mainframes

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11)

Which among the following computing devices was built by Gottfried Wilhelm von Leibniz?

A)

B)

C)

D)

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12)

Which of the following statements hold(s) true about first generation of computers?

Statement 1: They required magnetic drums for memory.

Statement 2: The inner working of these computers was quite unsophisticated.

A)

Only Statement 1

B)

Only Statement 2

C)

Both Statement 1 and Statement 2

D)

Neither Statement 1 nor Statement 2

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13)

Which of the following is NOT an advantage of second generation computers over first generation computers?

A)

More reliable

B)

More faster

C)

Generated less-heat

D)

No need of AC

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14)

Second generations computers moved from cryptic binary machine language to symbolic _______ language.

A)

Assembly

B)

High level

C)

Pascal

D)

Basic

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15)

Which of the following was considered as hallmark of fourth generation computers?

A)

Transistor

B)

Minicomputer

C)

Microprocessor

D)

Robots

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16)

First generation computers were replaced by second generation computers because __________.

A)

Operating speed of first generation computers was higher than second generation computers

B)

Power consumption of first generation computers was higher than second generation computers

C)

ICs were used as the main component in first generation computers

D)

They were easily portable than second generation computers

View Solution

17)

Match the computer types given in Column-I with their descriptions in Column-II.

Column-I	Column-II
(a) Server	(i) Expensive computer that perform complex calculations extremely rapidly.
(b) Super Computer	(ii) Provides resources to other computers connected to a network.
(c) Embedded Computer	(iii) A Small mobile computing device.
(d) PDA	(iv) A self- contained device which performs pre-programmed functions.