A heap file, sometimes called a pile or serial file is the simplest type of file
organization, records are placed in the file in the same order as they were
inserted
An index structure is associated with a search key and contains records
consisting of the key value and the address of the logical record
A sorted data file with a primary index is called an indexed sequential file
The file containing the logical records is called the data file and the file
containing the index records is called the index file. The values in the
index file are ordered according to the indexing field.
Kavungya answered the question on June 25, 2019 at 08:16
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The diagram below represents the essential features of a computer
system. Study the diagram and answer the questions that follow:
(a) Name the components: A B C...
(Solved)
The diagram below represents the essential features of a computer
system. Study the diagram and answer the questions that follow:
(a) Name the components: A B C D
(b) Name the three types of buses in a computer system
(c) Explain how the CPU registers may be used to carry out a basic calculation
such as 2 + 7 = 9
(d) Name two computers output devices
Date posted:
June 25, 2019
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Answers (1)
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A program is required to list the first 1000 numbers in the series 2, 4, 6, 8, 10 ……. Draw a flowchart and write a...
(Solved)
A program is required to list the first 1000 numbers in the series 2, 4, 6, 8, 10 ……. Draw a flowchart and write a program that can be carry out this task
Date posted:
June 25, 2019
.
Answers (1)
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List the steps that you would use to correct wrongly spelt words in a document using the spell-checking feature.
(Solved)
List the steps that you would use to correct wrongly spelt words in a document using the spell-checking feature.
Date posted:
June 25, 2019
.
Answers (1)
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The roots of the equation ax2 +bx + c= 0 are by the formula
a) Draw a flowchart to compute the roots of the equation.
b) Using...
(Solved)
The roots of the equation ax2 +bx + c= 0 are by the formula
a) Draw a flowchart to compute the roots of the equation.
b) Using the flow-chart write a program that will compute the roots and
if b2 – 4ac is negative, the program should display the message
“NEGATIVE
Date posted:
June 25, 2019
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Answers (1)
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In which memory would the monitor program would be stored?
(Solved)
In which memory would the monitor program would be stored?
Date posted:
June 25, 2019
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Answers (1)
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Using a program flowchart explain the “WHILE …Do” interaction construction.
(Solved)
Using a program flowchart explain the “WHILE …Do” interaction construction.
Date posted:
June 25, 2019
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Answers (1)
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Explain the steps you would follow to set up a new computer
(Solved)
Explain the steps you would follow to set up a new computer
Date posted:
June 6, 2019
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Answers (1)
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Explain what happens in the computer during the booting process
(Solved)
Explain what happens in the computer during the booting process
Date posted:
June 6, 2019
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Answers (1)
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What type of memory is used to store the boot up program (the first program to be executed on switching on a computer?
(Solved)
What type of memory is used to store the boot up program (the first program to be executed on switching on a computer?
Date posted:
June 6, 2019
.
Answers (1)
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Name the type of scanner used:
(i). To capture prices of goods at points of sale terminals in supermarkets and superstores.
(ii).To grade multiple choice examination
(Solved)
Name the type of scanner used:
(i). To capture prices of goods at points of sale terminals in supermarkets and superstores.
(ii).To grade multiple choice examination
Date posted:
June 6, 2019
.
Answers (1)
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What is a speech input?
(Solved)
What is a speech input?
Date posted:
June 6, 2019
.
Answers (1)
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State four areas where speech input would be used
(Solved)
State four areas where speech input would be used
Date posted:
June 6, 2019
.
Answers (1)
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Give two advantages of a digital Versatile Disk over a normal Compact disk
(Solved)
Give two advantages of a digital Versatile Disk over a normal Compact disk
Date posted:
June 6, 2019
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Answers (1)
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Give there examples of flat- panel monitors available in the market today.
(Solved)
Give there examples of flat- panel monitors available in the market today.
Date posted:
June 6, 2019
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Answers (1)
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What role do pixels play in screen display?
(Solved)
What role do pixels play in screen display?
Date posted:
June 6, 2019
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Answers (1)
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List three advantages of a plotter over normal printer machines.
(Solved)
List three advantages of a plotter over normal printer machines.
Date posted:
June 6, 2019
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Answers (1)
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Give two advantages of using sound output devices
(Solved)
Give two advantages of using sound output devices
Date posted:
June 6, 2019
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Answers (1)
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Define Data interface cable.
(Solved)
Define Data interface cable.
Date posted:
June 6, 2019
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Answers (1)
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State the function of the power supply unit found in the system unit.
(Solved)
State the function of the power supply unit found in the system unit.
Date posted:
June 6, 2019
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Answers (1)
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Name any two peripheral devices which get their power supply through ports
(Solved)
Name any two peripheral devices which get their power supply through ports
Date posted:
June 6, 2019
.
Answers (1)