NIACL Assistants Computer Knowledge - Test - 3


A hybrid computer is the one having the combined properties of

   A.) super and micro computers
   B.) mini and micro computers
   C.) analog and digital computers
   D.) super and mini computers

Answer: Option 'C'

analog and digital computers


In production of IC chip of computer, what is needed in the following?

   A.) Chromium
   B.) Silicon
   C.) Platinum
   D.) Gold

Answer: Option 'B'



Which of the following controls the machine cycle?

   A.) Control Unit
   B.) Arithmetical unit
   C.) Logical Unit
   D.) Memory Unit

Answer: Option 'A'

Control Unit


The output devices make it possible to

   A.) view or print data
   B.) store data
   C.) scan
   D.) input data

Answer: Option 'A'

view or print data


A parallel port is most often used by a

   A.) monitor
   B.) printer
   C.) mouse
   D.) external storage device

Answer: Option 'B'



What type of devices are computer speakers or headphones?

   A.) Input
   B.) Input/Output
   C.) Software
   D.) Output

Answer: Option 'D'



The difference between memory and storage is that memory is _______ and storage is

   A.) temporary, permanent
   B.) permanent, temporary
   C.) slow, fast
   D.) non-volatile, volatile

Answer: Option 'A'

temporary, permanent


The _______ is the amount of data that a storage device can move from the storage to the computer per second.

   A.) data migration rate
   B.) data transfer rate
   C.) data digitising rate
   D.) data access rate

Answer: Option 'B'

data transfer rate


Today's mostly used coding system is/are

   A.) ASCII
   C.) BCD
   D.) Both '1' and '2'

Answer: Option 'D'

Both '1' and '2'


Application software

   A.) is used to control the operating system
   B.) is designed to help programmers
   C.) performs specific task for computer users
   D.) All of the above

Answer: Option 'C'

performs specific task for computer users

NIACL Assistants Computer Knowledge - Practice Test 2 - 50 Questions with Answers3 Download Pdf