Input/Output Quiz

What is the purpose of external devices in a computer system?

• To provide power to the computer system

• To exchange data between the external environment and the computer

• To store data internally within the computer

• To process data within the computer

Which category of peripheral devices is suitable for communicating with the computer user?

• Printable

• Machine readable

• Human readable

• Communication

What is the basic unit of exchange in a keyboard/monitor setup?

• Character

• Paragraph

• Byte

• Word

Which technique allows the I/O module and main memory to exchange data directly without processor involvement?

• Programmed I/O

• Direct memory access (DMA)

• Cache-Related Performance Issues

• Interrupt-driven I/O

What is the purpose of I/O commands like 'Read' and 'Write'?

• To obtain data from the peripheral and transmit data to the peripheral

• To activate a peripheral and test status conditions

• To control the printing or displaying of characters

• To exchange control, status, and data between the I/O module and the external device

Which technology is widely used for peripheral connections and is the default interface for slower speed devices?

• Universal Serial Bus (USB)

• FireWire Serial Bus

• SCSI

• Thunderbolt

What is the primary function of Ethernet technology?

• Peripheral connections

• Wireless Internet access

• Wired networking

• Disk storage interface

Which I/O specification is aimed at the high-end server market and enables servers to be attached in a central fabric of switches and links?

• InfiniBand

• PCI Express

• SATA

• Wi-Fi

What is the maximum data rate of the current version of Wi-Fi, 802.11ac?

• 480 Mbps

• 1.5 Mbps

• 3.2 Gbps

• 10 Gbps

Which technology combines data, video, audio, and power into a single high-speed connection for peripherals like hard drives and video-capture boxes?

• SCSI

• FireWire

• USB

• Thunderbolt