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The number A large amount Large amounts A number
are; are is; are is; is are; is
is;a large amount of are;a number of is;large amount of is;a large number of
twice as many many as twice as twice large twice as large
twice as many many as twice as twice large twice as large
Personal computer has not the features of the larger syste Large systems offer higher processing speeds for user and return more data than PC Output devices take output results from the CPU in machine-coded form and conven them into a form that used by peopl The input/output devices and auxiliary storage units of a computer system are called peripheral
a large number of the number of a large amount of the amount of
are ; are is ; are is ;is are ;is
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is; a large amount of are; large amount of are; a number of is；a large number of
a number of; plenty of a large amount of; the number of plenty of; the number of a large amount of; a number of
A.A.large number of The amount of A.large amount of Large amounts of
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