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MacOS 8.1

Win98

DOS

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|00000000| 9a 01 01 00 b9 02 00 00 | 4d 65 67 61 68 65 72 74 |........|Megahert|
|00000010| 7a 0a 0a 48 65 72 74 7a | 2c 20 61 62 62 72 65 76 |z..Hertz|, abbrev|
|00000020| 69 61 74 65 64 20 48 7a | 2c 20 69 73 20 61 20 75 |iated Hz|, is a u|
|00000030| 6e 69 74 20 6f 66 20 6d | 65 61 73 75 72 65 6d 65 |nit of m|easureme|
|00000040| 6e 74 20 74 68 61 74 20 | 6d 65 61 73 75 72 65 73 |nt that |measures|
|00000050| 20 68 6f 77 20 6f 66 74 | 65 6e 20 73 6f 6d 65 74 | how oft|en somet|
|00000060| 68 69 6e 67 20 63 68 61 | 6e 67 65 73 20 69 6e 20 |hing cha|nges in |
|00000070| 6f 6e 65 20 73 65 63 6f | 6e 64 2e 20 20 54 77 6f |one seco|nd.  Two|
|00000080| 20 48 7a 20 69 6e 64 69 | 63 61 74 65 73 20 74 68 | Hz indi|cates th|
|00000090| 61 74 20 73 6f 6d 65 74 | 68 69 6e 67 20 63 68 61 |at somet|hing cha|
|000000a0| 6e 67 65 73 20 74 77 6f | 20 74 69 6d 65 73 20 70 |nges two| times p|
|000000b0| 65 72 20 73 65 63 6f 6e | 64 2e 0a 0a 41 20 6d 65 |er secon|d...A me|
|000000c0| 67 61 68 65 72 74 7a 20 | 6f 72 20 4d 48 7a 20 69 |gahertz |or MHz i|
|000000d0| 73 20 65 71 75 69 76 61 | 6c 65 6e 74 20 74 6f 20 |s equiva|lent to |
|000000e0| 61 20 6d 69 6c 6c 69 6f | 6e 20 63 79 63 6c 65 73 |a millio|n cycles|
|000000f0| 20 70 65 72 20 73 65 63 | 6f 6e 64 2e 0a 0a 57 68 | per sec|ond...Wh|
|00000100| 65 6e 20 72 65 66 65 72 | 72 69 6e 67 20 74 6f 20 |en refer|ring to |
|00000110| 63 6f 6d 70 75 74 65 72 | 73 2c 20 6d 65 67 61 68 |computer|s, megah|
|00000120| 65 72 74 7a 20 69 73 20 | 75 73 65 64 20 74 6f 20 |ertz is |used to |
|00000130| 72 65 66 65 72 20 74 6f | 20 74 68 65 20 6e 75 6d |refer to| the num|
|00000140| 62 65 72 20 6f 66 20 69 | 6e 73 74 72 75 63 74 69 |ber of i|nstructi|
|00000150| 6f 6e 2f 65 78 65 63 75 | 74 69 6f 6e 20 63 79 63 |on/execu|tion cyc|
|00000160| 6c 65 73 20 74 68 61 74 | 20 74 68 65 20 70 72 6f |les that| the pro|
|00000170| 63 65 73 73 6f 72 20 63 | 61 6e 20 63 6f 6d 70 6c |cessor c|an compl|
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|00000190| 64 2e 20 20 54 68 65 20 | 38 30 38 38 20 6d 69 63 |d.  The |8088 mic|
|000001a0| 72 6f 70 72 6f 63 65 73 | 73 6f 72 20 75 73 65 64 |roproces|sor used|
|000001b0| 20 69 6e 20 74 68 65 20 | 6f 72 69 67 69 6e 61 6c | in the |original|
|000001c0| 20 49 42 4d 20 50 43 20 | 77 61 73 20 61 20 34 2e | IBM PC |was a 4.|
|000001d0| 37 37 20 4d 48 7a 20 70 | 72 6f 63 65 73 73 6f 72 |77 MHz p|rocessor|
|000001e0| 20 2d 2d 20 69 74 20 77 | 61 73 20 61 62 6c 65 20 | -- it w|as able |
|000001f0| 74 6f 20 63 6f 6d 70 6c | 65 74 65 20 34 2e 37 37 |to compl|ete 4.77|
|00000200| 20 6d 69 6c 6c 69 6f 6e | 20 69 6e 73 74 72 75 63 | million| instruc|
|00000210| 74 69 6f 6e 20 63 79 63 | 6c 65 73 20 70 65 72 20 |tion cyc|les per |
|00000220| 73 65 63 6f 6e 64 2e 20 | 20 4d 6f 64 65 72 6e 20 |second. | Modern |
|00000230| 50 65 6e 74 69 75 6d 20 | 49 49 20 6d 69 63 72 6f |Pentium |II micro|
|00000240| 70 72 6f 63 65 73 73 6f | 72 73 20 61 72 65 20 74 |processo|rs are t|
|00000250| 79 70 69 63 61 6c 6c 79 | 20 72 61 74 65 64 20 61 |ypically| rated a|
|00000260| 74 20 31 36 36 20 74 6f | 20 33 30 30 20 4d 48 7a |t 166 to| 300 MHz|
|00000270| 20 2d 2d 20 74 68 65 79 | 20 63 61 6e 20 63 6f 6d | -- they| can com|
|00000280| 70 6c 65 74 65 20 62 65 | 74 77 65 65 6e 20 31 36 |plete be|tween 16|
|00000290| 36 20 61 6e 64 20 33 30 | 30 20 6d 69 6c 6c 69 6f |6 and 30|0 millio|
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|00000370| bc 02 00 00 00 00 00 00 | 02 22 41 72 69 61 6c 00 |........|."Arial.|
|00000380| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000390| 00 00 00 00 00 00 00 00 | 00 00 38 ff 00 00 00 00 |........|..8.....|
|000003a0| 00 00 bc 02 00 00 00 00 | 00 00 02 22 41 72 69 61 |........|..."Aria|
|000003b0| 6c 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |l.......|........|
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|000003d0| 00 00 00 00 90 01 00 00 | 00 00 00 00 02 22 41 72 |........|....."Ar|
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|00000420| f6 00 01 00 f7 00 ba 02 | 00 00 00 00 00 00 00 00 |........|........|
|00000430| 00 00 00 00 64 00 20 00 | 14 00 00 00 01 6e 04 01 |....d. .|.....n..|
|00000440| dc 08 01 4a 0d 01 b8 11 | 01 26 16 01 94 1a 01 02 |...J....|.&......|
|00000450| 1f 01 70 23 01 de 27 01 | 4c 2c 01 ba 30 01 28 35 |..p#..'.|L,..0.(5|
|00000460| 01 96 39 01 04 3e       |                         |..9..>  |        |
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