COMPUTER SYSTEMS

1. What is the main purpose of Cache memory?

 
 
 
 

2. What technology replaced vacuum tubes in second-generation computers?

 
 
 
 

3. In which network topology is data transmission unidirectional, like radio or television broadcasts?

 
 
 
 

4. Which data communication standard is used for transferring web pages and related data on the World Wide Web?

 
 
 
 

5. In Von Neumann architecture, where are instruction data and program data stored?

 
 
 
 

6. Which memory type uses laser beams to read and write data?

 
 
 
 

7. Which computer generation introduced the use of Integrated Circuits (ICs)?

 
 
 
 

8. What is the smallest unit of memory in a digital computer?

 
 
 
 

9. Which type of memory retains data even when the computer is turned off?

 
 
 
 

10. What computing machine was capable of taking input from punch cards and storing data in memory?

 
 
 
 

11. What is the primary function of the buses in a computer’s memory system?

 
 
 
 

12. Which network architecture requires each computer to act as either a server or a client but not both simultaneously?

 
 
 
 

13. What is the primary function of the Presentation Layer in the OSI model?

 
 
 
 

14. Which component of the microprocessor controls the working of input/output devices and storage devices?

 
 
 
 

15. Which of the following is an example of a natural system?

 
 
 
 

Question 1 of 15

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  3. ENVIRONMENTAL CHEMISTRY-AIR
  4. ENVIRONMENTAL CHEMISTRY-WATER
  5. ORGANIC CHEMISTRY
  6. BIOCHEMISTRY
  7. EMPIRRICAL DATA COLLECTION AND ANALYSIS
  8. QUALITATIVE ANALYSIS
  9. Define chemical equilibrium with example
  10. What is meant by chemical equilibrium?
  11. Differentiate between reversible and irreversible reactions?
  12. State Le-Chatelier’s principle.
  13. What is the significance of the equilibrium constant (Kc)?
  14. Why does a catalyst not affect the position of equilibrium?
  15. What happens to the equilibrium position if the concentration of a reactant is increased?
  16. What is the effect of decreasing pressure on a gaseous equilibrium system?
  17. What is dynamic equilibrium?
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  20. State the ways that equilibrium can be recognized.