Computer Fundamentals Section | Basic Computer Knowledge

21.

The capacity of 3.5 inch floppy disk is

   A.) 1.48 MB
   B.) 1.46 MB
   C.) 1.22 MB
   D.) 1.44 MB

Answer: Option 'D'

Microfloppy disks (3.5 inch) if it is high density (MF2HD) can store 1.44 MB and if it is low density (MF2DD), it can store 720 KB. Mini Floppy disks (5.25 inch) if it is high density (MD2HD) can store 1.2 MB and low density (MD2DD) stores 360 KB of data.

22.

A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as

   A.) Super computer
   B.) Mini computer
   C.) Micro computer
   D.) Micro computer

Answer: Option 'A'

Super computer

23.

Which of the following is the coding of data so that is can't be easily understood if intercepted.

   A.) Barcode
   B.) Decoder
   C.) Encryption
   D.) Mnemonics

Answer: Option 'C'

​Encryption

24.

IC is made up of

   A.) transistors
   B.) microprocessors
   C.) vacuum tubes
   D.) Both 1 and 2

Answer: Option 'A'

transistors

25.

A memory space used for the temporary storage of data is

   A.) PROM
   B.) SAM
   C.) Scratchpad storage
   D.) Buffer

Answer: Option 'C'

Scratchpad storage

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