Topic 5: Input-Ouput Organisation

   What type of device is a CPU?

• A.   Input

• B.   Output

• C.   Storage

• D.   All of above

Input or output devices that are connected to computer are called ______________.

• A.   Input/Output Subsystem

• B.   Peripheral Devices

• C.   Interfaces

• D.   Interrupt

Which of these is not an input device?

• A.   Scanner

• B.   Microphone

• C.   Screen

• D.   Keyboard

4. The I/O bus consists of ________.

• A.   Data lines

• B.   Address lines

• C.   Control lines

• D.   All of above

Which of the following is not a function of an electronic computer?

• A. Input device

• B. Internal memory

• C. Central processor

• D. External memory

Which is a SQL DCL command ?

• A. Delete

•      B. Grant

•      C. Update

•      D. None of the above

What is a virtual table in SQL ?

• A.   View

• B. Vision

• C. Screen

• D. None of the above

Which device is both an input and an output device?

• A. Touch screen

• B. Screen

• C. Modem

• D. Touch screen , modem

   What are the three common input devices?

   

• A. Keyboard, mouse, screen.

•      B. Keyboard, mouse, Microphone.

•  C. Keyboard, mouse, printer.

• D. Keyboard, mouse, speakers

Serial communication is mainly used in what fields?

   

• A. Internet connection

•   B. Send information electronically

•      C. Computer communication with peripheral devices

• D. Wireless communication