Bit2103:Introduction To Computer Applications Question Paper
Bit2103:Introduction To Computer Applications
Course:Bachelor Of Information Technology
Institution: Meru University Of Science And Technology question papers
Exam Year:2013
1
a. Define the following terms as applied in computer systems and hence give an example in each case:
i. File system ii. Device driver iii. Application software (6 Marks) b. Amina purchased an advanced graphics application and after installing the application runs poorly. After consulting a computer professional, the CPU power was found inadequate to run that application i. Explain what determines the power of the CPU (2 Marks) ii. State four thing that should be considered about the CPU when one needs to replace it.(4 Marks) c. Explain the following utilities for optimizing the performance of a computer system: (6 Marks) i. Degragmenter ii. Virtual memory iii. Disk clean up d. Explain the function of drive controllers. (6 Marks) e. There are various types of expansion slots. Briefly describe any three expansion slots. (3 Marks) f. Cables and connectors are critical to the operation of any computer peripherals. Explain why cables have length limits. (3 Marks)
2
QUESTION TWO – 20 MARKS
a. State six general safety guidelines to be observed to prevent damage to self and computer equipment during hardware installation. (6 Marks) b. In some cases an adapter card can have the same functionality as that integrated into the motherboard. Explain the problem that results from this and how it can be resolved. (4 Marks) c. Briefly explain the following stating their importance: (6 Marks) i. Differential backup ii. Electrostatic discharge (ESD) iii. RAM drive d. Explain the functions of the chip set of a motherboard. (4 Marks)
QUESTION THREE – 20 MARKS
a. Discuss the following types of ports found in computer system for connecting peripheral devices: (6 Marks) b. Explain the step by step hard disk set up procedure done before installing an operating system. (6 Marks) c. After John installed windows operating system in a computer he had assembled, he found out that the device manager that one device is marked by a yellow exclamation mark and another device with a red “x” i. Interpret the meaning of the two warning signs for John (2 Marks) ii. Explain how each of the problems can be corrected. (2 Marks) d. Explain two tasks that are frequently used configure computer power options. (4 Marks)
QUESTION FOUR – 20 MARKS
a. Discuss the hardware compatibility list (HCL) in relation to installation or upgrading of operating systems. (3 Marks) b. As a safety procedure one is not required to wear a wrist strap while working on a monitor or cathode ray tube. Using examples, explain why the anti static wrist strap should not be worn while working on a monitor or cathode ray tube. (3 Marks) c. Computer systems have temporary storage and permanent storage areas. i. Briefly explain how you can determine the amount of RAM and disk space available in a computer system. (2 Marks) ii. Draw a memory hierarchy of all types of memory found in computer system, based on their varying access times. Explain the function of each. (8 Marks) d. Explain how the following can be customized in a computer system: i. The desktop (2 Marks) ii. Installed application software. (2 Marks)
3
QUESTION FIVE – 20 MARKS
a. Computer systems have various operating systems and software i. Define the term system software (1 Mark) ii. Briefly describe any four main classification of system software. (4 Marks) b. Explain the following windows operating system software maintenance utilities and how they are created. (6 Marks) i. Restore points ii. Emergency recovery disk (ERD) c. A customer plans to install Windows XP on 100 computers in a branch office over a weekend but is very concerned about how much time it will take. As a professional in this line, provide solution for the customer that will help him to achieve the goal and save time. (9 Marks)
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