Q7. Which of the following is a DVD disc in which users can write data, but cannot rewrite
data?
a) DVD-R b) DVD-RAM
c) DVD-ROM d) DVD-RW
Q8. Which of the following is an appropriate characteristic of flash memory?
a) It allows high-speed access, so it is used for cache memory.
b) Data can be written only once, so it is used for program memory.
c) It is rewritable and nonvolatile, so it is used for USB memory or SD card.
d) Although refresh cycles are required, it is used for main memory because of the
capability of rewriting data any number of times.
Q9. Which of the following is the correct comparison of the amount of data?
a) 1 KB < 1 MB < 1 GB < 1 TB
b) 1 KB < 1 MB < 1 TB < 1 GB
c) 1 KB < 1 TB < 1 MB < 1 GB
d) 1 TB < 1 KB < 1 MB < 1 GB
Q10. Which of the following is a characteristic common to IEEE 1394 and USB that are
often used for connection interfaces between PCs and peripheral devices?
a) Peripheral devices can be connected and disconnected while the PC and/or devices
are powered on.
b) A maximum transfer rate is 100 Mbits/second.
c) A unique ID needs to be assigned to each device connected to a PC.
d) Data can be transmitted in parallel over multiple data lines.