Air bubble in water shines because of the phenomenon of _____.

1. 1. Dispersion
   2. Refraction
   3. Diffraction
   4. Total internal reflection

What are primary colors?

1. 1. Color of the rainbow
   2. Color in the spectrum of white light
   3. Colors which cannot be produced
   4. Color found in nature

 

Which of the following tracks of hard disk does not contain data?

1. 1. Every track contains data
   2. The middle track
   3. Each alternating track of the hard disk
   4. The top and bottom track

WORM stands for _____.

1. 1. Write once read many
   2. Writable on ROM
   3. Writer of Random Memory
   4. Writer of Only Read Memory

The peripheral devices used to get information for the computer are called _____.

1. 1. Simple devices
   2. Hardware devices
   3. Output device
   4. Digital device

The link between I/O devices and system board is provided by _____.

1. 1. Main memory
   2. Secondary memory
   3. Port
   4. Communication software

A group of parallel wires which provides electrical path between CPU, memory and other devices is called _____.

1. 1. Processing
   2. Input devices
   3. BUS
   4. Software

A bus with 32 data line can transport how many bits at a time?

1. 1. 8 bits
   2. 16 bits
   3. 1024 bits
   4. 32 bits

Computer buses are as _____.

1. 1. Data and Control
   2. Address and data
   3. Address, data and control
   4. There is no concept of buses in computer system

The capacity of computer bus depends upon _____.

1. 1. Capacity of CPU
   2. Capacity of the microprocessor
   3. The number of data lines it contains
   4. The system software