Class -6 Chapter-1

 

A. Tick () Mark the correct Option

1. ______ computers are designed in a way that you can place all the units, The system unit, input device, as well as the output on a desk.

Ans.  c. Desktop

2. A _____ computer is also called a Notebook.

Ans.  c. Laptop

3. PARAM is the example of which of the following?

Ans. c. Super Computer

4. Mini Computer were developed in ___________.

Ans. b. 1960

B. Fill in the blanks

1. Hybrid computers are combination of _Analog_ and digital.

2. PCs, banking , Sales analysis are __Purpose__ computers.

3. _Mini Computer_ were developed in 1960s.

4. _Embedded_ Computers are the micro-processor built in various products.

5. Palmtop    computer is small enough to fit in the palm of a hand.  

C. Short Questions.

Q.1.  What is a workstation?

Ans. A workstation has more powerful microprocessor and a higher-quality monitor too.

Q.2 Write two features of two Computers.

Ans.       1. Super computer can process billion of instructions per second (BIPS).

                2. Super computers are used for tasks that required intensive calculations.

Q.3 What are embedded computers?

Ans. Embedded computers are placed within a large product. They are small in size. They can perform many types of tasks.

Q.4. What is tablet?

Ans. Tablet is a special type of notebook computers which function by just touching the screen.

D. Long Questions ;-

Q.1 How are super computers different from micro computer.

 Ans. Super Computer Specifies that these are the fastest and the most expensive ones in the world. They can process billions of instructions per second (BIPS).

Micro computers use a microprocessor chip called CPU. They are also known as personal computers.

Q.2 On the basis of operation, how are computers classified?

Ans. On the basis of operation computer classified into three types.

1. Analog Computer.

2. Digital Computer

3. Hybrid Computer.

E. Give the difference between :

Q.1 Micro Computers and Mainframe computers.

Ans. Micro Computers:  Micro computers use a microprocessor chip called CPU. They are also known as personal computers.

Mainframe Computers: A mainframe Computer can process millions of instructions per second (MIPS)

Q.2 Palmtop and PDA.

Ans. Palmtop: Palmtop can be easily fit in the palm of our hand, so they got the name palmtop.

PDA: PDA (Personal Digital Assistant) is a handheld device. It is a combination of computing, telephone/fax, and networking features.

Q.3 Desktop and Palmtop computers.

Ans. Desktop: Desktop Computers are designed in such a way that we can place all the units (the system unit, input device and the output unit) on a single desk.

Palmtop: Palmtop can be easily fit in the palm of our hand, so they got the name palmtop.

F. How have computers have made our day-to day live easier:

Q.1 MIPS

Ans. MIPS: MIPS (Millions instructions per Second) They use more than one processor chip.

Q.2 PDA

Ans: PDA:  PDA (Personal Digital Assistant) is a handheld device. It is a combination of computing, telephone/fax, and networking features.