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WorksheetsInformation Processing
Total questions: 20
Worksheet time: 16mins
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
Transposition error
1659 instead of 1569
Typographical error
4300.00 instead of $300.00
Transposition error
2345 instead of 2435
Typographical error
Cookies 7 cream instead
of Cookie & cream
Typographical error
Guyaana instead of
Guyana.
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
Accessing records in a file in the same order in which
they were written is an example of what type of file organisation?
direct
random
sequential
serial
The manipulation of data to obtain information is called:
input
output
processing
storage
What validation type would you use to check that numbers fell within a certain range?
Range check
Presence check
Check digit
Consistency check
What is an automatic computer check to make sure data entered is sensible and reasonable known as?
Double entry
Verification
Validation
Auto Correct
This type of file is stored in the manner first in - first out and accessed in the same manner they were entered
Sequential
Serial
Index-Sequential
Index-Serial
This type of file is stored in the manner first in - first out and accessed in the same manner they were entered
Sequential
Serial
Index-Sequential
Index-Serial
A disk device in which a computer can go directly to the desired record on the disk is called a(n) __________.
sequential file access
index-sequential file access
direct-access storage
indirect-access storage
In a clothes shop, dress sizes may range from 8 to 18. What type of check will ensure that the customer only enters dress sizes 10, 12, 14 and you would prevent anyone trying to enter text such as ‘ten’ or ‘ten and a half’.
Range Check
Data Type Check
Check Digit
Consistency Check
Occurs where the person entering the data accidentally changes the order of numbers or letters.
Transposition Errors
Transmission Errors
Typographical Errors
Transportation Errors
A ______ check compares the contents of two or more fields to make sure they make sense.
consistency
range
data type
format
