CO 101 Quiz in Lesson 6

Which of the following is an Optical Input Device?

• Touch Screen

• Bar Code Reader

• Magnetic Stripe Reader

• Mouse

What type of input device is a Light Pen categorized under?

• Optical Input Device

• Screen Input Device

• Magnetic Input Device

• Analog Input Device

Which of the following is NOT an Output Device?

• CRT

• Digitizer

• Printer (Laser, Dot Matrix)

• Card Puncher

What device is categorized under Magnetic Input Devices?

• Paper Tape Reader

• Optical Mark Reader

• Magnetic Stripe Reader

• Analog Input

Which of the following is an Output Device capable of creating voice output?

• Voice

• Bar Code Reader

• Card Reader

• Touch Screen

What is the function of an Input/Output Interface?

• To store information in CPU registers

• To transfer information between memory and the CPU

• To transfer information between internal storage and external I/O devices

• To resolve synchronization issues between different computer systems

What is the key difference between the CPU and peripheral devices?

• Unit of information

• Data transfer rate

• Operating modes

• All of the above

What does an interface module associated with a peripheral device NOT do?

• Decodes the device address

• Synchronizes the data flow

• Supervises transfer rate

• Increases the transfer rate of data automatically

Which statement is TRUE about memory-mapped I/O?

• It uses separate address spaces for memory and I/O

• Distinct instructions are used for input and output

• It shares a common address space for memory and I/O

• It requires separate read/write control lines for memory and I/O

How do buses function in a computer system?

• I/O Bus transfers data between CPU and memory

• Memory Bus transfers data between CPU and I/O devices

• Memory Bus is for CPU and MM transfers, while I/O Bus handles CPU and peripheral transfers

• Both buses serve identical purposes