電腦軟體應用乙級題庫606題(1-20-20)

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考卷名稱.: 電腦軟體應用乙級題庫606題(1-20-20)
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( )1.二進位數字11001001化成八進位為?        (11)
(1)311 
(2)312 
(3)412
(4)I don't know
(5)177 
( )2.用1個Bytes表示整數,採用二的補數法,(11111010)數字,其十進位是?        (4)
(1)I don't know
(2)-122 
(3)-121 
(4)-5 
(5)-6
( )3.下列數值中,何者與其它三個不同?        (9)
(1)(12.6)8
(2)I don't know
(3)(1010.110)2 
(4)(10.6)10 
(5)(A.6)16 
( )4.16進位的(FF)和(55)做AND運算,其值為下例何值?        (15)
(1)I don't know
(2)(55)16 
(3)(5F)16 
(4)(FF)16 
(5)(F5)16
( )5.布林代數式,下列何者有錯誤?        (19)
(1) (A+B)’=A’B’ 
(2)(A’)’=1
(3)I don't know
(4)A‧1=1 
(5)A+A’=1 
( )6.電腦中計算記憶體最小的單位為        (1)
(1)File
(2)I don't know
(3)Bit 
(4)Byte 
(5)Word 
( )7.十進位0.75換算二進位是?        (13)
(1)0.01 
(2)0.11 
(3)0.101 
(4)以上皆非
(5)I don't know
( )8.十進位的16,在十六進位中如何表示?        (7)
(1)10 
(2)20
(3)I don't know
(4)F 
(5)E 
( )9.位址範圍從B0000H到BFFFFH則所佔位址大小是?        (20)
(1)32767
(2)I don't know
(3)216 
(4)256 
(5)128 
( )10.24X24矩陣中文字儲存,需佔多少的記憶空間?        (16)
(1)2bytes 
(2)32bytes 
(3)64bytes 
(4)72bytes
(5)I don't know
( )11.十六進位的E換算成十進位是?        (5)
(1)16
(2)I don't know
(3)14 
(4)13 
(5)15 
( )12.十六進位的AB.8換算成十進位是?         (8)
(1)281.4 
(2)193.2 
(3)201.5
(4)I don't know
(5)171.5 
( )13.用2個Bytes表示整數採用二的補數法,可以表示範圍是?        (3)
(1)-128到+127 
(2)-256到+255 
(3)-32768到32767 
(4)以上皆非
(5)I don't know
( )14.八進位的274.2換算成十進位是?        (12)
(1)182.25 
(2)184.4 
(3)188.25 
(4)189.3
(5)I don't know
( )15.十進位82換算十六進位是?        (6)
(1)20 
(2)32 
(3)41
(4)I don't know
(5)52 
( )16.每一個記憶體位址可以儲存一個?        (14)
(1)不等大小的資料
(2)I don't know
(3)一個bit 
(4)一個byte 
(5)一個word 
( )17.一個1.2Gega的硬碟,相當於幾張1.2Mega的磁碟片?        (17)
(1)10000
(2)I don't know
(3)1000 
(4)1024 
(5)100 
( )18.二進位數字11001001化成十六進位為?        (10)
(1)I don't know
(2)C9 
(3)AB 
(4)C8 
(5)B9
( )19.下列為布林代數的基本關係,其中何者是錯的?        (2)
(1)I don't know
(2)X+1=1 
(3)X+X’=1 
(4)(X+Y)’=X’Y’ 
(5)(X’)’=0
( )20.布林代數式,下列何者有錯誤?        (18)
(1)A+AB=A 
(2)AB=BA 
(3)A=A‧1
(4)I don't know
(5)A=A+1 
 
  

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