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Πληροφορική Β' Γυμνασίου Σημειώσεις

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    2012

    : Cassoulides Masterprinters Ltd

    ISBN: 978-9963-0-4635-5

    50%, . .

  • 3

    ENOTHTA 1 ............................................... 11

    1.1 .......................................................................................................... 13

    1. ........................................................... 13

    2. ........................................................... 13

    3. ................................................................. 13

    4. .............................. 15

    5. Byte .................................................... 15

    6. ........................................................................ 16

    ASCII ........................................................................................... 17

    ................................................................................................................ 18

    ENOTHTA 2 / ...... 19

    2.1 / .................................... 21

    1. / ................................................................................................ 21

    2. (Power Supply) ................................................................................. 22

    3. (Motherboard) ................................................... 22

    4. (, Central Processing Unit, CPU) ......................... 23

    5. Random Access Memory (RAM ) ................................ 23

    6. Read Only Memory (RM) ............................................ 23

    7. (expansion slots) (expansion cards) .... 24

    8. (Ports) ............................................................................................. 25

    ................................................................................................................ 27

    2.2 () .......................................... 29

    1. , (Central Processing Unit, CPU) ......................... 29

    2. ...................................................................................................... 29

    3. (Clock) ................................................................................................... 31

    4. .................................................................................. 31

    ................................................................................................................ 33

    2.3 .............................................................. 35

    1. ...................................................................................................................... 35

    2. .................................................................................. 35

    3. ................................................................................................... 37

    4. (Diskette) (Floppy Disk) ............................................... 38

    5. (hard disk) ..................................................................................... 39

    6. (CD, DVD, CD-R/RW, DVD-R/RW) ..................................................... 41

    7. (USB, SD) ..................................................... 43

  • 4

    8. ..................................................................................................................... 45

    ................................................................................................................ 46

    2.4 ..................................................................... 49

    1. ................................................................................................................... 49

    2. ......................................................................................................... 49

    3. ........................................................................................ 51

    4. (Scanners) ................................................................................................... 54

    5. ........................................................................................... 55

    6. (Optical Character Recognition, OCR) ......................... 56

    ................................................................................................................ 56

    2.5 ............................................................................................... 59

    1. ................................................................................................................... 59

    2. ........................................................................................... 59

    3. .............................................................................................................. 59

    4. .............................................................................................. 61

    ................................................................................................................ 63

    2.6 ...................... 65

    1. .................................................................................... 65

    2. ...................................................................................................... 67

    ................................................................................................................ 69

    2.7 ....................................................................................... 71

    1. ................................................................................................................... 71

    2. .................... 71

    3. ............................................... 72

    ................................................................................................................ 76

    ENOTHTA 3 ..................................................... 77

    3.1 .................. 79

    1. .................................................................................................. 79

    2. ............................................................ 79

    3. ........................................ 80

    4. ........................................................................ 80

    ................................................................................................................ 83

    3.2 - ........................................................ 85

    1. (Control Panel) ....................................... 85

    2. (format) ....................................... 85

    3. chkdsk .................................................................................................... 86

    4. defrag ..................................................................................................... 87

    5. (Task Manager) ....................................................................... 88

    ......................................................................................................................... 90

  • 5

    4 ........................................................ 91

    4.1 ............................................................................ 93

    4.1.1 ................................................... 95

    1. (Microsoft Excel) ......................................................................... 95

    2. .......................................................................... 95

    3. Microsoft Excel 2010 ....................................................................... 95

    4. (Blank workbook) .......................................... 96

    5. (Open) ................................................................................ 96

    6. (Switch Windows) ...................... 96

    7. ........................................................................ 96

    8. ...................................................................................... 96

    9. (Cells Area) ........................................................................................ 97

    10. (Save) .......................................................................... 97

    11. (Close) ............................................................................... 97

    12. (Exit) ......................................................................... 98

    ........................................................................................................................ 98

    4.1.2 ............................... 99

    1. .................................................................... 99

    2. / ............................................................................................ 99

    3. / (Insert Sheet Columns/Rows) ............................................. 99

    4. / (Delete Sheet Columns/Rows) ............................................ 99

    5. (Insert Sheet) ................................. 99

    6. (Delete Sheet) ............................... 100

    7. (Rename Sheet) ................................................. 100

    8. (Sort) .......................................... 100

    ....................................................................................................................... 101

    4.1.3 ..........