Computer gk questions and answers for preparing Competitive Examinations. 1. What is the short cut key for closing a window? Answer: Alt + F4 2. The number of processes completed per unit time is known as: Answer: Throughput 3. The mechanism that brings a page into memory only when it is needed is called: Answer: Demand Paging 4. What is a MAC? Answer: Media Access Control 5. What is the function of Drop Cap? Answer: It lets you begin a paragraph with a large dropped initial capital letter. 6. URL stands for: Answer: Uniform Resource Locator 7. The number of bits that a computer can process at a time is called: Answer: Wordlength 8. What is the central device in star topology? Answer: Hub/Switch 9. ISDN is an example of ......... network: Answer: Circuit switched 10. The gate which is called a universal gate: Answer: NAND
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