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An input device that converts an image into text is known as?
Modern computers compared to earlier computers are?
The Slide Rule is accurate to?
Computers are classified using the following criteria except?
Which of the following statements are true about computer?
I.Constructed from electronic components. II. It has self regeneration capability.
III. It has facility for storage of data and programs. IV.It has provision tor input and output of data.
The hexadecimal number 13, expressed as a binary here is?
The map of Nigeria is an example of ?
The personnel who deals with the computer and its management is called?
Which of the following computer files can be used for updating the master file?
The statement in QBASIC that is used to add data at the end of existing sequential file is?
Arrange the following spreadsheet window parts in a hierarchical order by size:
I. worksheet
II. cell
III. workbook
IV. Range
One megabyte is equivalent to?
The common features of formula and function in spread- sheet are:
-Entry is preceded by = or + symbol I.
- They have fixed formats
- They operate with cell addresses
- Their results are displayed.
Which of the following options is/are true?
The uses of spreadsheet packages include:
1. -Preparing organisation's logo; II. - Performing sensitivity analysis; III, - Preparing reports for senior manage- ment; IV. - Preparation of profit forecasts.
Which of the following options is true?
Which of the following charts does not display the X and Y axes?
If you are given the contract, what would be your first step of action?
Use the infomation belowto answer questions 42 and 43.
As a computer professional, you have just been con- tracted by a school to help them solve the problem they are facing in computing students' results.
The school currently runs a manual system. Time and accuracy of the result are the major concerns.
What would you advise the school to do?
The following are the guidelines for drawing flowcharts except that it?
A logic gate contains three input variables. The total possible combination of the input variables is?
Use the logic truth table in figure 3 to answer question
| X | Y | Z |
| 0 | 0 | 1 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 0 |
Given that X and Y are input variables while Z is the output. The truth table in figure 3 represents?