Ch-1
Class: - V
Evolution of
Computers
1. Tick the correct option.
a. The early man used Bones to do the counting.
(i) Calculator (ii) Abacus (iii) Bones
b. Blaise Pascal invented the first ever mechanical calculator.
(i) Charles Babbage (ii) John Mauchly (iii) Blaise Pascal
c. Mark-I was built in 1944.
(i) 1944 (ii) 1948 (iii) 1940
d. Microprocessor are developed in fourth generation.
(i) Third (ii) fifth (iii) fourth
e. Ada Lovelace is the first computer programmer.
(i) Charles Babbage (ii) Blaise Pascal (iii) Ada Lovelace
` 2. Fill in the blanks.
a. Herman Hollerith invented Tabulating machine in 1890.
b. ENIAC is the first electronic general computer.
c. UNIVAC could handle both numeric and textual information.
d. Transistors and magnetic tapes were used in Second generation.
e. The invention of integrated circuits occurred in Third generation.
3. Write ‘T’ for True and ‘F’ for false.
a. Blaise Pascal is known as the ‘father of computer.’ F
b. IBM introduced PC-XT in 1993. T
c. Cathode Ray tube is an example of a third generation. F
d. ENIAC was faster than Mark-I. T
e. abacus was invented 3000 years ago in India. F
4. Match the following.
a. First generation i. Artificial Intelligence (e)
b. Second generation ii. Integrated Chip ( c )
c. Third Generation iii. Magnetic tapes (a)
d. Fourth Generation iv. Transistors (b)
e. Fifth Generation v. Microprocessor (d )
