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Ics 2240:Introduction To Data Processing And Computers Question Paper

Ics 2240:Introduction To Data Processing And Computers

Course:Bachelor Of Crop Protection

Institution: Meru University Of Science And Technology question papers

Exam Year:2013

QUESTION ONE – 30 MARKS
a. Explain the following terms: (6 Marks) i. Computer ii. Data processing iii. Information
b. Outline any five advantages of computers. (5 Marks) c. Illustrate and explain the function components of a simple computer. (5 Marks) d. Explain the four stages of data processing. (8 Marks) e. Explain the basic components of the central processing unit. (6 Marks)
QUESTION TWO – 20 MARKS
a. Outline and explain five functions of an operating system. (10 Marks) b. Distinguish between a primary and secondary storage device. (2 Marks) c. List any four types of printers and briefly explain how they work. (8 Marks)
QUESTION THREE – 20 MARKS
a. Distinguish between random and sequential files. (4 Marks) b. Describe the following types of operating systems. (9 Marks) i. Single user single task ii. Single user multi tasking iii. Multi user multi tasking
c. Explain the term virtual memory. (2 Marks) d. Outline any five modes of processing. (5 Marks)
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QUESTION FOUR – 20 MARKS
a. A computer file is a named collection of data that has same size, date of creation; author, attribute and it must be of some type. Distinguish between logical file and physical file. (2 Marks) b. Distinguish between available length record and fixed length record. (2 Marks) c. Outline and explain four characteristics of a file. (4 Marks) d. Explain the following characteristics of a file: (4 Marks) i. Volatility ii. Hit rate iii. Size iv. Growth
e. Briefly explain the following types of files (4 Marks) i. Transaction file ii. Reference file iii. Archive file iv. Back up file
QUESTION FIVE – 20 MARKS
a. The primary storage is temporary in nature and volatile and is lost when the power goes off. i. Outline and explain five uses of main memory. (10 Marks) ii. Outline and explain the use of two optional disks. (4 Marks) b. The following types of memories are used in data processing. Briefly explain how they are used: i. Virtual memory ii. Cache memory iii. Bubble memory

Ics 2240:Introduction To Data Processing And Computers Question Paper

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