Higher National Computing Tutor Resource Pack, Second by Howard Anderson, Sharon Yull, Bruce Hellingsworth

By Howard Anderson, Sharon Yull, Bruce Hellingsworth

Used along the scholars' textual content, Higher nationwide Computing second version , this pack deals an entire suite of lecturer source fabric and photocopiable handouts for the obligatory middle devices of the recent BTEC greater Nationals in Computing and IT, together with the 4 center devices for HNC, the 2 extra center devices required at HND, and the center professional Unit 'Quality Systems', universal to either certificates and degree point. The authors supply all of the assets wanted by means of a hectic lecturer, in addition to a financial institution of student-centred functional paintings and revision fabric, on the way to let scholars to achieve the abilities, wisdom and knowing they require. additionally to be had as an online obtain for adopters, this pack will retailer a direction crew many hours' paintings getting ready handouts and assignments, and is freely photocopiable in the paying for establishment. The pack contains: * routines to help and strengthen paintings within the accompanying scholar textual content * deliberate tasks that allows you to allow scholars to reveal quite a lot of talents and use their very own initiative * evaluate fabrics * Reference fabric to be used as hand-outs * heritage on operating the hot HNC / HND classes * Tutor's notes assisting actions within the scholars' e-book and source pack * all of the crucial fabric for working a direction within the 2003 larger nationwide Computing qualification from Edexcel * complete assurance of the obligatory center devices for either the HNC and HND * Freely photocopiable in the paying for establishment with digital records to be had to obtain from the net, this pack will keep a path group many hours' paintings getting ready handouts and assignments

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By Howard Anderson, Sharon Yull, Bruce Hellingsworth

Used along the scholars' textual content, Higher nationwide Computing second version , this pack deals an entire suite of lecturer source fabric and photocopiable handouts for the obligatory middle devices of the recent BTEC greater Nationals in Computing and IT, together with the 4 center devices for HNC, the 2 extra center devices required at HND, and the center professional Unit 'Quality Systems', universal to either certificates and degree point. The authors supply all of the assets wanted by means of a hectic lecturer, in addition to a financial institution of student-centred functional paintings and revision fabric, on the way to let scholars to achieve the abilities, wisdom and knowing they require. additionally to be had as an online obtain for adopters, this pack will retailer a direction crew many hours' paintings getting ready handouts and assignments, and is freely photocopiable in the paying for establishment. The pack contains: * routines to help and strengthen paintings within the accompanying scholar textual content * deliberate tasks that allows you to allow scholars to reveal quite a lot of talents and use their very own initiative * evaluate fabrics * Reference fabric to be used as hand-outs * heritage on operating the hot HNC / HND classes * Tutor's notes assisting actions within the scholars' e-book and source pack * all of the crucial fabric for working a direction within the 2003 larger nationwide Computing qualification from Edexcel * complete assurance of the obligatory center devices for either the HNC and HND * Freely photocopiable in the paying for establishment with digital records to be had to obtain from the net, this pack will keep a path group many hours' paintings getting ready handouts and assignments

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Binary to octal or octal to binary, use groups of three binary digits. • If running Windows, you can use Start Ͼ Programs Ͼ Accessories Ͼ Calculator (with View set to Scientific) to check your answers. There is no point whatever using the calculator to complete the conversions, you should do them on paper alone to get the most practice. 14 Number bases Fill in the spaces in the table by converting number bases as required. Hints: • Binary to hex or hex to binary, use groups of four binary digits.

23 4 height of the image, in pixels. 27 2 set to zero. 29 2 number of bits per pixel. 31 4 compression, usually set to zero, 0 ϭ no compression. 35 4 size of the image data, in bytes. 39 4 horizontal pixels per metre, usually set to zero. 43 4 vertical pixels per metre, usually set to zero. 47 4 number of colours used in the bitmap. 51 4 number of colours that are ‘important’ for the bitmap, if set to zero, all colours are important. 42 00 00 00 02 06 0A 0E 12 16 1A 1E 4D 00 00 00 00 00 00 00 00 00 00 00 36 40 00 00 03 07 0B 0F 13 17 1B 1F 50 06 4C 01 03 07 0B 0F 13 17 1B 1F 1D 00 1D 00 03 07 0B 0F 13 17 1B 1F 00 00 00 00 00 00 00 00 00 00 00 00 00 B0 13 00 04 08 0C 10 14 18 1C 20 00 04 0B 00 04 08 0C 10 14 18 1C 20 00 00 00 00 04 08 0C 10 14 18 1C 20 00 00 00 00 00 00 00 00 00 00 00 00 36 01 13 01 05 09 0D 11 15 19 1D 21 04 00 0B 01 05 09 0D 11 15 19 1D 21 00 08 00 01 05 09 0D 11 15 19 1D 21 00 00 00 00 00 00 00 00 00 00 00 00 28 00 00 02 06 0A 0E 12 16 1A 1E 22 In decimal, what is the: Image file size Image width Image height Number of bits per pixel Max.

Write down all six numbers as both signed and unsigned decimal values. t.. a. /‹... _^s.. 3. t... A‹"u... 6......... 5 Stored numbers, integers Six numbers are stored in the first 12 bytes of a file. It is known that they are 16-bit little endian values but it is not known if they are signed or unsigned. Write down all six numbers as both signed and unsigned decimal values. t.. a. /‹... _^s.. 3. t... A‹"u... 6......... 6 Stored numbers, integers Six numbers are stored in the first 12 bytes of a file.

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