CLASS-4, COMPUTER, TERM

 CLASS – 4^TH                                                               SUBJECT – COMPUTER

TIME : 1.5 HR                                                                                       MM:50

 

Q1. Tick (√) the correct option:                                                                                   (5 marks)

1.       Primary memory of computer is present inside the:

(A)    Keyboard                    (B) Mouse                           (C) CPU

2.       The memory present outside the CPU is called ___________ Memory:

(A)    Primary                        (B) Secondary                    (C) Main

3.        Transistor were developed during  ____________ generation:

(A)    second                         (B) first                                 (C) third

4.       The main component used in the fifth generation is:

(A)    VLSI                               (B) LSIV                           (C) VLIS

5.       Which is the most popular operating system?

(A)    LINUX                           (B) MAC                           (C) Windows

Q2. Fill in the blanks:                                                                                                      (5 marks)

1.       A ___________ is a pointing device.

2.        I-maps are made of tiny dots called___________.

3.       Personal computer is also known as__ ___ _____.

4.       The main component used in the fifth generation is_____________.

5.       ___________is the most common operating system.

Q3. Write true/false.                                                                                                      (5 marks)

1.       Secondary memory devices are used externally.

2.       The main storage device of a computer is the floppy.

3.       The ALU perform all mathematical and logical operation in a computer.

4.       Super computers are the most powerful of all the computer.

5.       World’s first notebook computer was Jimpson’s JZ-200.

 

Q4. Match the following.                                                                              (5 marks)

1.       First generation                                -              Transistors         

2.       Second generation                            -              IC’s

3.       Third generation                               -              ENIAC

4.       Pen drive                                          -              Eption’s HX-20

5.       First hand-held computer                 -              Storage device

 

Q5. Short answer type questions. (any five)                                                         (10 marks)

 

1.       Name some places where mainframe computers are used.

2.       Why is CPU called the brain of computer?

3.       What is the storage capacity of a DVD?

4.       What are the uses of printer?

5.       Name the components developed during:

(A)    First generation        (B) second generation

6.       What are work stations?

7.       Name four icons present on desktop.

 

Q6. Answer the following questions. (any four)                                                   (20 marks)

 

1.       Write the full form of the following:

(A)    CPU               (B) CU                   (C) ALU                 (D)VDU                (E)MU

2.       Define the following:

(A)    Graphic tablet                           (B) Scanner.

3.       What do you mean by operating system?

4.       Describe briefly the five generations of computer.

5.       What are files and folders?

 

 

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