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Questions in computers-and-technology

[Free] Which of the following can be in logical arguments? A. Imperative statements B. Normative statements C. Questions D. Fragments

[Free] Tick (✔) the correct option. 1. A command can be cancelled by clicking on. (a) Redo button (b) Undo button (c) Delete button (d) Enter button 2. It is the look and shape of the letters of the text. (a) Font (b) Font size (c) Type face (d) Formatting 3. Small symbols like dot, square, circle etc. (a) Numbers (b) Font (c) Bullets (d) Digit 4. If you want to make text darker, click on. (a) Bold (b) Dark (c) Font (d) Italics Fill in the blanks. 1. _____ are referred to as document in MS-Word. 2. Changing the appearance of the text is called _____ 3. _____ means the manner in which the characters 4. _____ makes the text in slanting position. Write True or False. 1. Selecting the font, colour, size from standard tool bar. 2. To perform editing first select the text. 3. Selecting various text effects from font dialog box. 4. Bullets are placed after the text.

[Free] Example 6.3: Assess a student's performance during his course of study and predict whether a student will get a job offer or not in his final year of the course. The training dataset T consists of 10 data instances with attributes such as 'CGPA', 'Interactiveness', 'Practical Knowledge' and 'Communication Skills' as shown in Table 6.3. The target class attribute is the 'Job Offer'. Table 6.3: Training Dataset T | S.No. | CGPA | Interactiveness | Practical Knowledge | Communication Skills | Job Offer | |-------|-------|-----------------|--------------------|----------------------|-----------| | 1. | ≥9 | Yes | Very good | Good | Yes | | 2. | ≥8 | No | Good | Moderate | Yes | | 3. | ≥9 | No | Average | Poor | No | | 4. | <8 | No | Average | Good | No | | 5. | ≥8 | Yes | Good | Moderate | Yes | | 6. | ≥9 | Yes | Good | Moderate | Yes | | 7. | <8 | Yes | Good | Poor | No | | 8. | ≥9 | No | Very good | Good | Yes | | 9. | ≥8 | Yes | Good | Good | Yes | | 10. | ≥8 | Yes | Average | Good | Yes |

[Free] Based on the data given above answer the following questions: (i) Identify the most appropriate column, which can be considered as Primary key. (ii) What is the product of degree and cardinality of the above table? (iii) Write the statements to: Update a record present in the table with data for Qtr2 – 200, Qtr3 = 600, total – sum of all Qtrs where the Client_ID is C660 OR (option for part iii only) (iii) (a) Delete all records where total is between 500 to 900 (b) Add a column RATINGS with datatype integer whose value must lie between 1 to 5 CLIENT | ClientName | Client_ID | Qtr1 | Qtr2 | Qtr3 | Total | |---|---|---|---|---|---| | Suraj | C120 | 200 | 300 | 400 | 900 | | Radha | C650 | 190 | 356 | 220 | 766 | | Estha | C430 | 200 | 100 | 400 | 700 | | Karuna | C790 | 130 | 540 | 380 | 1050 | | Naresh | C660 | 200 | 400 | 800 | 1400 | | Varun | C233 | 400 | 300 | 220 | 920 | | Kritika | C540 | 500 | 100 | 400 | 1000 |

[Free] Which of the following is the System monitoring transaction used for viewing the spool requests? A. SP02 B. SP01 C. SP04 D. SP03

[Free] File "/tmp/655b4554d1c54cda3955/", line 8 dp[[0 for _ in range(M + 1)] for _ in range(N + 1)] SyntaxError: invalid syntax

[Free] What is built in most computers that helps keep it cool while it operates? A. Freon B. Fan C. Ice Trays D. LEDS

[Free] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Free] Devices that don't need high processing power and want to use as little energy as possible, such as wearable devices, typically process data and instructions in ________.

[Free] Prove that the following languages are not context-free. i) L = {a^i | i is prime} ii) L = {a^n | n ≥ 1}