2223_S4_ICT_T2_exam_exercise_21-30

2223_S4_ICT_T2_exam_exercise_21-30

9th - 12th Grade

10 Qs

quiz-placeholder

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2223_S4_ICT_T2_exam_exercise_21-30

2223_S4_ICT_T2_exam_exercise_21-30

Assessment

Quiz

Computers

9th - 12th Grade

Practice Problem

Medium

Created by

Ka Lap WONG

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列哪項是png圖像格式的特點? (1) 支援動畫 (2) 支援有損壓縮 (3) 支援無損壓縮 (4) 支援24bit全彩

只有(1)和(4)
只有(1)和(2)
只有(2)和(3)
只有(3)和(4)

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列哪項不是CPU的規格?

2.8GHz時鐘速度
2MB快取記憶器
4.2ms轉動等待時間
32位元字長

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

將下列以8位二進制補碼表示的數字加1,哪一個數字會引發溢出誤差?

10000001
1111111
10000000
11111111

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列哪種音訊檔格式不可能附有音樂或人聲?

ra
wav
mp3
mid

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

在執行數據庫查詢時,下列哪個(些)裝置會儲存運行中的數據? (1) ROM (2) RAM (3) 硬碟

只有(1)
只有(2)
只有(1)和(3)
只有(2)和(3)

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

參考圖中的sports表格。下列哪句SQL能取得每個年級的男女學生總數是多少?

SELECT gender, form, COUNT(*) FROM sports GROUP BY gender, form
SELECT gender, COUNT(*), form FROM sports WHERE gender IN ('M', 'F') GROUP BY gender, form
SELECT form, COUNT(*) FROM sports WHERE gender IN ('M', 'F') GROUP BY form
SELECT COUNT(*), gender, form FROM sports WHERE gender IN ('M', 'F') GROUP BY gender, form

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

某學校新生報到共有1234人,如果要對新生編號,至少需要用多少位元?

9
10
11
12

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