Computer Fundamentals Section | Basic Computer Knowledge

16.

When an input electrical signal A=10100 is applied to a NOT gate, its output signal is

   A.) 01011
   B.) 10001
   C.) 10101
   D.) 00101

Answer: Option 'A'

01011

17.

Which is a unit representing the no bits of discrete.

   A.) Baud
   B.) Byte
   C.) Bit
   D.) All of the above

Answer: Option 'A'

​Baud

18.

An operating system intended for use on microprocessor based systems that support a single user is

   A.) PC-DOS
   B.) MS-DOS
   C.) UNIX
   D.) CP/M

Answer: Option 'D'

CP/M

19.

Regarding a VDU, Which statement is more correct?

   A.) It is a peripheral device
   B.) It is hardware item
   C.) It is an input device
   D.) It is an output device

Answer: Option 'A'

It is a peripheral device

20.

What is meant by a dedicated computer?

   A.) Which is used by one person only
   B.) Which is assigned one and only one task
   C.) Which uses on kind of software
   D.) Which is meant for application software only

Answer: Option 'B'

​Which is assigned one and only one task

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