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shaista



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PostSubject: 7th Class Computer paper 1st 2 Chapters   7th Class Computer paper 1st 2 Chapters EmptyMon Dec 08, 2014 6:21 pm

    GHAZI CADET HIGH SCHOOL (Regd)
St No. 2, Rifle Range Road, Korey Stop Walton Road Lahore Cantt
Ph: 0302-6371897, bittahir@gmai.com
https://sites.google.com/site/sirtahirfarooq/
Class: 7th
Paper: COMPUTER




Q.1. Fill in the blanks. (01 x 10 = 10)
1. Pascaline was invented by _____________.
2. Analytical Engine was designed by _______________ in _____________.
3. UNIVAC was developed in _____________.
4. UNIVAC stands for ___________________________________________.
5. IBM introduced its first computer IBM-107 in ______________________.
6. We ________________ a hard disk before using it to store data.
7. _____________ software are sued for increasing the storage capacity of a disk.
8. Paying a small fee, we can by a __________________ program.
9. ________________ provides multitasking environment for personal computers.
10. A register is a ________________ storage are used for increasing the storage capacity of a disk.

Q.2. Circle the right answer. (01 x 10 = 10)
1. Every computer needs an operating system to work.
2. We cannot change any data stored in ROM.
3. Paying a small fee, we can buy a freeware program.
4. Multitasking capability is only for mainframe computers.
5. Multitasking capability is only for mainframe computers.
6. Third generation computers used transistors.
7. First generation computer were very large in size.
8. Mark-I was faster than ENIAC.
9. Pascaline was invented in 1942.
10. Intel 4004 was the first microprocessor of the world.

Q.3. Answer the following questions. (Any TEN) (3 x 10 = 30)
1. Who is called a Hacker?
2. What is a Formation?
3. What is an operating system?
4. Write a note on computer bus.
5. Who is known as the father of computer?
6. Which generation computers were not reliable?
7. What is formation?
8. Write a note on computer registers.
9. What is software?
10. Why the 1st Generation computers were not reliable?
11. Which computer used transistors in it?
12. Write note on the following:
a. Abacus b. Difference Engine
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