關於第四代以及第五代行動通訊,分別簡稱4G和5G,下列敘述何者錯誤?

數位科技概論總複習CH1-CH3

Quiz
•
Computers
•
12th Grade
•
Hard
TingYu Shen
Used 1+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
以傳輸速率來說,每秒鐘可以傳遞的位元數5G比4G更高
傳輸的頻寬範圍5G比4G更寬
傳輸的延遲5G比4G更低
所需的通訊衛星數量5G比4G更少
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列有關類比訊號與數位訊號的比較,何者正確?
數位訊號較容易受到電磁干擾
數位訊號較不適合進行資料壓縮
類比訊號較適合進行資料加密
類比訊號在長距離傳輸時較容易失真
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列敘述何者正確?
影音取樣的頻率愈大,則取樣後的數位影音失真的情形會較為嚴重
影音取樣的位元愈多,則取樣後的數位影音能記錄聲音的種類愈少
影音取樣的頻率愈大,則取樣後的數位影音檔案愈小
影音取樣的位元愈多,則取樣後的數位影音檔案愈大
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
電腦的輔助儲存裝置(Secondary Storage)可以儲存大量的檔案,常見的有HDD、SSD兩種,如果要安裝在經常行駛顛簸路段的機車上,長時間的記錄行車影像,相同容量下,兩者在保存檔案完整性與結構的比較上來說,下列敘述何者正確?
HDD因機械結構微小精密,故體積較SSD小,所以較適合安裝在該機車上
SSD不含脆弱的機械結構,因此較HDD適合安裝在該機車上
SSD內含固態式電路所構成的儲存單元,比起HDD來說較容易受到震盪影響而導致檔案損毀
HDD內含堅固的機械結構,俗稱硬碟,比起SSD來說較不易受到震盪影響而導致檔案損毀
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列哪種記憶體元件,通常當做筆記型電腦的輔助記憶體(Auxiliary Memory)?
DDR4 SDRAM(Double Data Rate Fourth-generation Synchronous Dynamic Randomaccess Memory)
SSD(Solid-state Drive)
SRAM(Static Random-access Memory)
Cache
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有關PC上BIOS的敘述,下列何者不正確?
它所存放的元件位於主機板上
是開機程序的控制程式
全名為Binary Input / Output System
對電腦設備進行一系列的檢查與測試
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列關於點陣圖(Bitmap)的敘述,何者正確?
影像放大與縮小都不會有失真現象
影像放大與縮小都不會有鋸齒狀
由像素(Pixel)所組成
以數學方程式來定義影像中的點與線段
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