Evolution of Computers | Class 5 Computer

A Tick the correct option.

1. Who is known as the Father of Computers?
a. John Napier
b. Charles Babbage
c. Herman Hollerith
d. George Boole

2. Which device is used to punch wooden cards and is considered the first 'read-only memory' device?
a. Pascaline
b. Jacquard Loom
c. Napier's Bones
d. Abacus

3. What is the main feature of the fifth generation of computers?
a. Use of vacuum tubes
b. Use of transistors
c. Use of integrated circuits
d. Use of artificial intelligence

4. Which of the following is a limitation of a computer?
a. High speed
b. High accuracy
c. No learning powers
d. High versatility

5. What is the purpose of a program in a computer?
a. To store data
b. To give instructions to the computer
c. To provide electricity to the computer
d. To make the computer think

B Name the following.

  1. The ability of computers to think and act like humans. Artificial Intelligence
  2. A set of instructions given to computers. Program
  3. Programming languages developed in second generation computers. COBOL and BASIC
  4. The first electronic computer to use binary system. EDVAC
  5. The first digital electronic computer. ABC

C Match the given columns.

  1. 1642 → Pascaline → Blaise Pascal
  2. Jacquard Loom → 1801 → Punched cards
  3. Leibniz Calculator → 1671 → Gottfried Leibniz
  4. Analytical Engine → Mechanical Digital Computer → 1823
  5. Charles Babbage → Difference Engine → 1822

E Answer the following questions in detail.

  1. What distinguishes first generation computers from second generation ones?
    Vacuum tubes were used in the first-generation computers, whereas transistors were used in the second-generation computers.
  2. Provide a short explanation of third generation computers.
    The third-generation computers were smaller, cheaper and faster. This was due to the invention of ICs (Integrated Circuits). Keyboards were used to input data. Monitors were used for output. They used an operating system.
  3. What are the four defining characteristics of a computer?
    a. Computers are fast.
    b. They are reliable and accurate.
    c. They can store a lot of data.
    d. They can be programmed.
  4. How do computers provide advantages to us?
    a. Computers save our time.
    b. They help in producing quality work.
    c. They can store a large amount of data.
    d. They help in avoiding making mistakes.
  5. What limitations are present in computers?
    a. Computers cannot think.
    b. They cannot make decisions on their own.
    c. They depend on electricity.
    d. They do not have learning ability.

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