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電資營2023

Authored by DL049王星耀 DL049王星耀

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電資營2023
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

將類比訊號轉為數位訊號

需要什麼步驟?

取樣

量化

皆是

皆非

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

下列有關數位訊號的敘述,何者錯誤?

容易儲存與傳送

可與電腦相容,聲音與影像容易修改

容易進行偵錯與除錯

容易被雜訊影響,會使訊號失真

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

1578157_8 的二進制表示法為多少?

100101121001011_2

110011121100111_2

110111121101111_2

100111121001111_2

Answer explanation

1 101 11121\ 101\ 111_2

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

二進制數 1011 1001 1100 001121011\ 1001\ 1100\ 0011_2 以十六進制表示為何?

C9E316C9E3_{16}

B9D316B9D3_{16}

B9C316B9C3_{16}

C8E416C8E4_{16}

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

為什麼標註1TB的硬碟,實際容量才930GB多?

這顯然是廠商的疏失

進位方式不同導致的差異

製程上良率導致的誤差

保留的70GB是備用空間

Answer explanation

1012 ÷240 =0.910^{12}\ \div2^{40}\ =0.9

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

檔案的大小是10GB,網速是100Mb/s,這樣大約需要下載多久?

800s

100s

125s

1000s

Answer explanation

10GB / (100Mb/s) = 約800 s

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

A=0、B=0、C=1,

OUT為多少?

0

1

X

Z

Answer explanation

Media Image

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