Information Processing

Which of the following statements are TRUE about information?

I It takes the form of numbers only.

II It may be presented as symbols, pictures or sounds.

III When in the form of words or numbers, it must be presented so that it is meaningful.

IV It may be produced by counting, sorting and carrying out mathematical

computations on numeric values

• I and IV ONLY

• II, III and IV ONLY

• II and III ONLY

• II and IV ONLY

Which of the following statements DOES NOT

represent information?

• The number is 650.

• The average number of meals sold last week was 73.

• The last flights leaving today are 1552, 1500 and 1502.

• The first flight that departed Port of Spain

  yesterday was 1552.

Which of the following statements is UNTRUE about

an attendance register used by a homeroom teacher to

record daily attendance of students?

• It is human-readable.

• It is a source document.

• It is a turnaround document.

• It contains both data and information.

Match the following

• Cookies 7 cream instead

  of Cookie & cream

• Transposition error

• 1659 instead of 1569

• Transposition error

• 4300.00 instead of $300.00

• Typographical error

• Guyaana instead of

  Guyana.

• Typographical error

• 2345 instead of 2435

• Typographical error

An automated parking attendant at a parking lot issues a

printed ticket to motorists when they park. Which of the

following statements about the ticket are most likely true?

I It is hard copy.

II It is soft copy.

III It is human-readable.

IV It is machine-readable.

• I and III ONLY

• II and III ONLY

• II and IV ONLY

• I, III and IV ONLY

A website with a ‘last updated’ date more than a 5

year ago may be an unreliable source of information

because of its

• authenticity

• currency

• level of bias

• relevance

Which of the following statements are TRUE about data verification?

I It is performed by a human.

II It is performed by a computer system.

III It may be implemented using proofreading.

IV It includes methods such as range check and data

type check.

• I and III ONLY

• II and III ONLY

• II, III and IV ONLY

• II and IV ONLY

Which statement is UNTRUE about length checks?

• It is a data validation method.

• It can be applied to numeric fields only.

• It is carried out by the computer system.

• It can be applied to text and numeric fields.

Which of the following is NOT a validation check?

• range check

• consistency check

• random check

• format check

Writing ‘757’ instead of ‘775’ is an example of a

_______________ error.

• data type

• proofreading

• transposition

• typographical