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Bit2104:Introduction To Computer Programming And Algorithms Question Paper

Bit2104:Introduction To Computer Programming And Algorithms

Course:Bachelor Of Information Technology

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

1
TIME: 1½HOURS
INSTRUCTIONS: Answer questions one and any other two questions
QUESTION ONE – (30 MARKS)
a. Explain the following terms: (5 Marks) i. Computer software ii. Register iii. Operating system iv. Computer file v. Disk formatting
b. Give two functions for each of the following component of the CPU. i. Control unit (2 Marks) ii. Arithmetic and logic unit (2 Marks) iii. Main memory (2 Marks) c. Discuss at least three areas where computers are used and mention how they are used in each case. (3 Marks) d. What is the main difference between analog and digital computers? (2 Marks) e. What were the major disadvantages of the first generation computers? (4 Marks) f. List five factors to consider when selecting an input device. (5 Marks) g. Name and explain the two types of primary memory. (4 Marks) h. Give one disadvantage of a magnetic disk. (1 Mark) i. Write a DOS command to copy a file. (2 Marks)
QUESTION TWO – 15 MARKS
a. Name and explain three mouse operations. (6 Marks) b. Explain the term disk formatting and give a situation where you may want to format a disk. (2 Marks) c. Differentiate between hard copy and soft copy information and give two examples of devices used in each case. (4 Marks) d. Explain three ways through which viruses get into a computer system. (3 Marks)
2
QUESTION THREE – 15 MARKS
a. Name and explain the four registers that are found inside the CPU. (4 Marks) b. State and explain any three special keys found on a standard keyboard. (3 Marks) c. State and explain any four functions of the operating system. (8 Marks)
QUESTION FOUR – 15 MARKS
a. The following are some boot and run time errors, suggest a solution for each. (5 Marks) i. Invalid disk ii. Missing operating system iii. Corrupted system registry iv. Windows protection errors v. Runtime problems b. Highlight the procedure for the following operations i. Restoring a deleted file (3 Marks) ii. Creating a folder. (3 Marks) c. Explain various computers classifications. (4 Marks)
QUESTION FIVE – 15 MARKS
a. What factors would you consider when purchasing a computer system? (6 Marks) b. What is cache memory? What is the importance of cache memory in a computer systems? (4 Marks) c. Give the full meaning of the abbreviation WIMP. Give two examples of operating systems with WIMP features. (3 Marks) d. Write down a procedure to be followed in order to search for files or folders in windows. (2 Marks)

Bit2104:Introduction To Computer Programming And Algorithms Question Paper

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