First term unit test Class 7

A person who deals with the repair and maintenance of hardware is called as..........

• Hardware engineer

• Hardware doctor

• Hardware scientist

• None of the above

............. acts as computer hardware.

• Human body

• Human soul

• All of the above

• None of the above

The........... Is the most important and critical circuit card of the computer.

• Hardware disk

• Motherboard

• Power supply

• None of the above

The motherboard circuit contains the.......... RAM and ROM, keyboard inter face, expansion slots etc.

• Microprocessor

• Floppy disk

• Hard disk

• None of the above

Empty......... Chip slots are found inside the CPU, where you can also add more.

• RAM

• ROM

• hard disk

• None of the above

Which of the following is not type of communication?

• Simplex

• Duplex

• Triplex

• None

Network of computer links

• Computer and computer

• Computer and computer teacher

• Printer and modem

• Cables and UPS

Electromagnetic signals included

• Radio waves

• Infrared light

• Ultravoilet rays

• All of the above

The unbounded media had advantage:

• Easy to install

• Easy to reconfigure

• Afford client machines mobility

• All of the above

Which of the following are network connecting devices?

• Cables

• Hubs

• Bridges

• All