COMPUTER SCIENCE 1

Second generation computer used

• transistor instead of vacuum tubes

• integrated ciricuitry

• vacuum tubes instead of mechanical device

• none of these

Who invented the adding machine

• Gottifried Leibnitz

• Blaise Pascal

• John Napier

• None of these

The first electronic computer was developed in the year

• 1966

• 1946

• 1876

• 1846

How many unique symbols are there Hexadecimal number system?

• 16

• 12

• 10

• 8

How many bytes are there in 1 kilobyte?

• 90

• 154

• 8

• 1024

Which of the following is the default start mode for windows?

• safe mode

• normal mode

• command prompt

• none of these

Which of the following device can store large data?

• Zip disk

• CD Rom

• Hard disk

• Floppy disk

Which one is a non-impact printer?

• drum printer

• dot-matrix printer

• thermal printer

• line printer

Which of the following memory types cannot store the data or information permanently ?

• RAM

• CACHE

• FLASH MEMORY

• HARD DISK

Which of the following memory types will store the data or information permanently ?

• RAM

• CACHE

• HARDDISK