History

Question 1

What are the FIVE generations of computer?

List the main technology used in each generation.

Answer 1

First Generation - Vacuum tubes
Second Generation - Transistors
Third Generation - Integrated circuits (IC)
Fourth Generation - Microprocessor chips
Fifth Generation - Artificial Intelligence (AI)

Question 2

Name a,
1) Input source
2) Output source
3) Storage source
4) Type of programming language used 
in each computer generation

Answer 2

First

1) Punched cards
2) Printouts
3) Magnetic tape
4) Machine language

Second

1) Punched cards
2) Printouts
3) Magnetic tape
4) Assembly language

Third

1) Keyboard
2) Monitor
3) Magnetic tape
4) High level language

Fourth

1) Keyboard/ Mouse
2) Monitor/ plotter
3) Floppy Disk/ CD
4) High level language

Fifth

1) Touch screen
2) -
3) -
4) Visual basics

Question 3

Name 04 disadvantage if vacuum tubes

Answer 3

1) Expensive
2) Produced a lot of heat
3) Fused often
4) Big in size

Question 4

Name 03 advantages of transistors compared to vacuum tubes

Answer 4

1) Generated less heat
2) Smaller in size
3) Didn’t need to be replaced often

Question 5

Name the following people;
1) Father of the computer.
2) Who suggested using binary number system for computers.
3) Who found the technology that represent 1s and 0s in a computer. (The father of the information theory)
4) The first programmer.
5) Inventor of vacuum tubes.
6) Inventor of the transistor.
7) Inventor of the IC.
8) What was the first Microprocessor model.
9) Inventors of ENIAC
10)

Answer 5

1) Charles Babbage
2) Alan Turing
2) Claude Shannon
3) Ava Lovelace
4) John Ambrose Flemming
5) Bell laboratories -
6) Jack Kilby
8) Intel 4004
9) J. Mauckly , J. Echert

Question 6

What is the Difference Engine?

Answer 6

A calculating machine that could tabulate polynomial functions.

Question 7

What is the Analytical Engine?

Answer 7

It was the first general purpose machine with a ALU and control flow including conditional branching and loops. It also had integrated memory.

Question 8

What is ENIAC and what was its purpose?

Answer 8

ENIAC = Electronic Numerical Integrator and Computer
It was the first worlds first programmable, electronic, general-purpose, digital computer.
It was Turing-complete.
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