2B ICT U6

Which of the following is true about using Procedure Sheets?

以下哪些是步驟紙的使用規則？

• Place the 'Clear Program' card at the beginning of program instruction. 需要在程序指令的開首放置「清除指令」卡牌。

• Place the 'Run Program' card at the end of program instruction. 需要在程序指令的結尾放置「執行程序」卡牌。

• Placing a 'Forward' card on the procedure sheet cannot run a program. 只放置一張「前進」卡牌是不會執行程式。

• All of the choices 以上皆是。

Which of the following is true about ‘Repeated Program Execution’?

以下哪些是對「重複執行」指令的正確描述？

• It is one of the cards. 它是一張獨立的卡牌。

• It increases the number of cards we used when programming. 它會增加卡牌的使用數量。

• It requires players to write down the frequency of repetition on the procedure sheet. 它需要在步驟紙填寫卡牌的重複次數。

• All of the choices. 以上皆是。

Which of the following cards is necessary for playing the ‘Silicon Market’ game?

以下哪張是「思進市集」遊戲必須使用的卡牌？

• Backward 後退

• Forward 前進

• Clear Program 清除程序

• Turn left 左轉

Why should we need to 'Clear Program' first before writing a new program?

為甚麼編寫新程式前，都要先「清除程序」？

• To decrease the number of cards we use. 減少使用卡牌的數量。

• To clear unnecessary instructions. 清除不再使用的舊指令。

• To make the sequence of cards look tidy. 使卡牌排列得更整齊。

• All of the choices 以上皆是。

How many cards do we need for instructing the chess to move 'Forward' 2 steps and 'Backward' 5 steps?

如要指令棋子「前進」2步，再「後退」5步，共需在步驟紙上放置多少張這兩款卡牌？

• 1

• 2

• 7

• 5

It needs electricity to open the ‘Maps’ app.

開啟「地圖」應用程式需要使用電力。

• Yes 是

• B. No 否

Before writing a new route, you do not need to clear the previous instructions.

編寫新路線前，無須清除指令。

• Yes 是

• No 否

Using too many symbols makes program instructions hard to read.

使用太多 （足印）符號來編寫程序指令，會讓人難以閱讀。

• Yes 是

• No 否

Using numbers to represent repeated symbols make programming easier.

用數字代替重複的 （足印）符號，讓編程工作變得簡單。

• Yes 是

• No 否

Bready will go forward _______ steps.

步驟紙總共發出多少個「前進」指令？

• 5

• 7

• 1

• 3