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Questions in computers-and-technology

[Done] Identify the category of animation effects used to highlight an object with different effects. Options: - Motion Path - Emphasis - Entrance

[Done] What is the definition of an Intranet? A) Public Network Of Computers B) Private Network Of Computers C) The World Wide Web D) A Fake Network Used To Catch Hackers

[Done] What other ways can he protect himself against malicious code on websites? Select one: a. Do not add websites to the favorites bar b. Block malicious links/IP addresses c. Ask his security officer for assistance d. Do not visit unfamiliar websites

[Done] Select all that apply. Which of the following cause(s) a statement or set of statements to repeat as long as a condition is true? A) Do-While loops B) While loops C) Do-Until loops D) For loops

[Done] Identify the primary key in the table. Write query for the following: ii. Find average salary in the table. iii. Display number of records for each individual designation. iv. Display number of records along with sum of salaries for each individual designation where number of records are more than 1. v. What is the degree and cardinality of the relation Employee?

[Done] What is a "smart contract" in blockchain? Choose one of the following. a) A digital agreement that determines compliance strategies for companies b) A shared document that ensures all transactions are accurate and agreed upon c) A permissioned distributed ledger that requires a unique identity for each user d) A set of defined rules and logic used to execute specific business transactions

[Done] C. Read the following statements and write 'T' for True and 'F' for False. 1. High-level language programs have to be converted into machine language by a translator program. 2. A compiler converts a high level language program into machine language, line by line. 3. Machine language uses mnemonic codes. 4. A decision box is represented by a diamond symbol. 5. A flowchart can have more than one Stop symbols. D. Answer the following questions. 1. What do you mean by computer language? 2. What is machine language? Explain.

[Done] Which technology is best suited for transferring very large files? A. FTP B. BitTorrent C. Web-based transfer D. Email

[Done] 1. Which of the following is NOT a mode of digital communication? A. Broadcasting B. Point-to-point communication C. Satellite communication D. Telecommunication 2. Which of the following is an example of an analog information source? A. Computer data B. Text C. Speech signal D. Binary code 3. Which process involves sampling, quantization, and encoding? A. Source encoding B. Channel encoding C. Formatting D. Modulation 4. Asynchronous transmission is best suited for which of the following? A. High-speed communication B. Low-speed communication C. Real-time audio and video D. Large data block 5. Which error correction method involves the receiver guessing the message using redundant bits? A. Forward error correction B. Retransmission C. Parity check D. Checksum 6. What is a key characteristic of synchronous transmission? A. Arbitrary delay between data items B. Continuous data flow without gaps C. Fixed intervals between data items D. Use of start and stop bits

[Done] Select YES or NO for the activities that you follow while in the computer lab: a. Taking off shoes YES NO b. Opening the UPS YES NO c. Opening the monitor's power button YES NO d. Taking off the cover of computer YES NO e. Touching the computer screen YES NO f. Pressing keys too hard YES NO g. Shutting down the computer properly before leaving YES NO h. Closing the monitor button after the screen goes off YES NO i. Covering the computer properly before leaving lab YES NO j. Arranging the seats properly before leaving YES NO