
111上資訊科技九年級期末考試
Quiz
•
Computers
•
9th Grade
•
Practice Problem
•
Medium
李正強 李正強
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
隨著資訊科技的發展,不論是文字、聲音或影像等資料,都能儲存在電腦 或行動載具中,這樣的過程稱為什麼?
數位化
格式化
模組化
虛擬化
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二進位數字系統以 2 為基數,逢 2 就進位,則下列何者符合二進位數字的 表示方式?
2
40
137
1100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
因應不同的使用需求,聲音數位化後的格式也不盡相同。下列副檔名中, 何者不屬於聲音格式?
.mid
.mp3
.wav
.bmp
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
文字資料需經過編碼才能轉換成電腦可理解的內容,常見的有 ASCII、 Big-5、Unicode。下列關於文字編碼系統的敘述,何者正確?
ASCII 由美國國家標準協會制定,只適用於英文字元
Big-5 由臺灣資策會制定,收錄了世界上所有的文字
Unicode 適用於世界上大部分的語言和符號
ASCII 是目前最廣泛應用的編碼系統
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. 聲音會受到響度、音調、音色這三個因素的影響,下列敘述何者正確?
聲音的特色取決於聲波的波形
聲波的振動頻率越高,代表聲音越大聲
響度越大,代表聲音的振幅越大,聲音也越高
不同的人以相同的音調唱同一首歌時,其波形相同
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
. 阿光想購買記憶卡來儲存檔案,但不知道容量規格該怎麼看,請問下列哪 一個記憶卡的容量最大?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
聲音的取樣頻率,指的是每一秒內,對聲音訊號取樣的次數。阿儒利用下 列不同的取樣頻率對聲音取樣,請問何者會最接近原始聲音?
20 kHz
96 kHz
441 Hz
500 Hz
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