Ch - One ( Class 8)

1. Answer the following:

a.       Define abacus?

b.       What is Napier’s Bone and when it invented?

c.       Who invented slide Rule and when?

d.       Who is known as the father of the modern computers’?

e.       Why Lady Augusta Ada Lovelace called first programmer?

f.        Define tabulating machine. Write its use. 

2.       Write short note on:

a.       Pascaline

b.       ENIAC

c.       Harvard Mark-I

d.       EDSAC

3.       Write the full form of the following.

a.       IBM

b.       ABC

c.       ENIAC

d.       EDSAC

e.       UNIVAC  

f.        EDVAC

4.       Choose the best answer:

a.       …………….. was developed by the Chinese to perform simple calculations.

i.                     Pascaline

ii.                      Abacus

iii.                 Napier’s Bones

iv.                 Slide Rule

b.       8 BIT is equals with ……………..

i.                     1 nibble

ii.                   2 bytes

iii.                 1 byte

iv.                 1 kilobyte

c.       ………………. regarded as the mechanical computing device

i.                     Abacus

ii.                   Napier’s Bones

iii.                 Slide Rule

iv.                 Pascaline

d.       Charles Babbage invented

i.                     UNIVAC

ii.                   Mark-I

iii.                 ABC

iv.                 Stepped Reckoner

e.       Mark-I was made operational only I ……………

i.                     19237 A.D.

ii.                   1924 A.D.

iii.                 1944 A.D.

iv.                 1984 A.D.

f.        ………………. Was the first general purpose electronic computer.

i.                     ENIAC

ii.                   EDVAC

iii.                 EDSAC

iv.                 UNIVAC

5.       Fill in the blanks:

a.       ………………. was developed by the Chinese to   perform simple calculations.

b.       Analytical Engine was designed in ……………………….

c.       ………………. Is regarded as the first mechanical computing device.

d.       Charles Babbage invented ………………

e.       Mark-I was made operational only in …………………

f.        ……………. was the first general purpose electronic.

6.       Write the technical term for the following:

a.       The first calculating device developed Chinese.

b.       First analog device used the principle of logarithms.

c.       The machine was used to tabulate US census record in 1890 A.D.

d.         First operational stored program computer.

e.       A computer that process numeric and alphanumeric data.