The logical expression X.(X + Y) is equivalent to

1. X

2. Y

3. X+Y

4. X. Y

The number of bits used by the EBCDIC coding scheme is,

1. 6

2. 7

3. 8

4. 9

Which one of the following is not an element of a system?

1. Boundary

2. Input

3. Output

4. Data Structure

Which of the following statements is not correct?

1. A closed system does not interact with the environment.

2. A closed system can send output to the environment but cannot receive input from the environment.

3. An open system may receive input from the environment.

4. An open system may have control and feedback mechanisms.

Any business related exchange such as payments to employees, sales to customers or payments to suppliers is known as

1. Data

2. Transaction

3. Input

4. E-commerce

The system that consists of organized collection of people, procedures, software, databases and devices used to provide routine information to managers and decision makers is called

1. Management Information System.

2. Artificial Intelligence System.

3. Decision Support System.

4. Transaction Processing System.

Identify the three successive phases of the System Development Life Cycle (SDLC) that appear in the correct order.

1. Analysis, Design, Testing

2. Design, Software Development, Testing

3. Design, Maintenance, Testing

4. Maintenance, Design, Analysis

What is the last phase of the System Development Life Cycle (SDLC)?

1. System Specification

2. Problem definition

3. System testing

4. System maintenance

Which one of the following is not an operation that is associated with data?

1. Capturing

2. Validation

3. Storing

4. Execution

In Ms Word, what is the tool that can be used to check the correctness of language used in the text of a document?

1. Word Count

2. Speech

3. Spelling and Grammar

4. Auto Correct Options

The shortcut CTRL+I in MS-Word converts selected text into,

1. boldfaced text.

2. italicized text.

3. underlined text.

4. bulleted list.

Which one is not valid Uniform Resource Locator (URL)?

1. http://www.google.com

2. http://www.doenets.lk

3. ftp://ftp.bio.umaine.edu

4. exams@doenets.lk

The place where a row and a column meet in an electronic spreadsheet, is called a,

1. formula

2. cell

3. value

4. chart

The formula (A1+B1)/(C1-B1) is stored in the cell B8 in and Excel worksheet. What will be the value displayed in B8 if the values in A1, B1, C1 are as shown in the following table:

1. 2.00

2. -34.07

3. 26.17

4. -9.46

Which one is not a valid cell address in a MS-Excel spreadsheet?

1. M6

2. $M6

3. 6M

4. M$6