The primary purpose of most computer programs is
A: to perform a mathematical calculation.
B: to store and retrieve information.
C: to sort a collection of records.
D: all of the above.
E: none of the above.
A: to perform a mathematical calculation.
B: to store and retrieve information.
C: to sort a collection of records.
D: all of the above.
E: none of the above.
举一反三
- A computer is a machine' designed to（） A: perform work mathematically B: perform complicated calculations C: store and select information D: all of the above
- Clinical laboratory is for the purpose of providing information for: A: diagnosis B: prevention C: treatment D: all of the above
- In the present, most of the exports from China are in() A: manufactured goods. B: services. C: primary products including agricultural. D: technology intensive products. E: None of the above.
- The payback period rule: A: discounts cash flows. B: ignores initial cost. C: always uses all possible cash flows in its calculation. D: Both A and C. E: None of the above.
- Although not a unique store of value, people find money a convenient store of value because A: it does not decline in value when prices rise. B: its value remains fixed to the price level; that is, if prices double so does the value of money C: it is the most liquid asset. D: of all of the above E: of none of the above