GIRNE AMERICAN UNIVERSITYFaculty of Business & Economics

COMP103 / ACOM101 / PMED211Introduction to Computer & Information Systems I

2013 – 2014 Fall Semester

MIDTERM EXAMINATION

PAPER A

Student Name : Instructor : SAYGIN GÖNÇ

Student ID : Date : 26/11/2013

Duration: 90 minutes

Note: Dictionaries, Calculators or Mobile Phones are not allowed.

PART I: Multiple Choice Questions

Circle the correct choice for each of the following. (40 points)

1. Which of the following is NOT a basic computer operation?a) inputb) throughputc) processingd) storage

2. A byte:a) is the equivalent of eight binary digitsb) represents one digit in the decimal numbering systemc) is the smallest unit of information that a computer can processd) can be compared to the state of one light switch being either on or off

3. The hexadecimal representation for the decimal 10 is:a) 10b) Bc) 15d) A

4. Users connect to networks on PCs called: a) requestersb) clientsc) resourcesd) remote users

GRADE

5. Which of the following is a type of product that complements the human body's best posture and functionality?

a) ergocentricb) naturalc) ergonomicd) esoteric

6. The four-step process of fetch, decode, execute, and store is called a(n):a) arithmetic operationb) machine cyclec) instruction cycled) logical operation

7. A CPU's word size is important because it determines which ________ the CPU can use.a) application softwareb) input devicesc) disk storaged) operating system

8. A technique that uses more than one processor to execute a program is called:a) parallel processingb) serial processingc) co-processingd) megaprocessing

9. Dual inline memory modules (DIMMs), most common today, are having 168-pin connector with ________ transfer rate.

a) 128-bitb) 32-bitc) 64-bitd) 16-bit

10. What is called to the small unit of ultrafast memory built into or near the processor?a) cache memoryb) registerc) random access memoryd) read only memory

11. Which of the following is still the most common method for data entry?a) microphoneb) keyboardc) scannerd) stylus

12. Which of the following type of device gives you control over the movement of the on-screen pointer?

a) cursorb) pointingc) outputd) insertion

13. Keyboards cannot connect with:a) Expansion slotb) USB connectorc) PS/2 cabled) Radio Frequency

14. Types of monitors include:a) Cathode-ray tube (CRT)b) Liquid crystal display (LCD)c) Thin-film transistor (TFT)d) All of the above

15. A laser printer is a high-resolution printer that uses which of the following types of technology?

a) Fusionb) Electrostaticc) Impactd) Static

16. A pie-shaped wedge of a hard disk is called which of the following?a) Sectorb) Clusterc) Trackd) Platter

17. ________ includes all the programs that provide the infrastructure and hardware control needed for a computer, its peripheral devices, and other programs to function smoothly.

a) Application softwareb) Open source softwarec) Network softwared) System software

18. The process of loading the OS to memory is which of the following?a) Configurationb) Bootingc) Authenticationd) Installing

19. A utility program that contains the instructions to make peripheral devices function correctly is a:

a) Specialized OSb) Peripheral OSc) Standalone programd) Driver

20. Which of the following computer interfaces is the most popular?a) Command-lineb) Menu-drivenc) GUId) Shortcut keystrokes

PART II: True/False Questions

Circle the correct choice for each of the following. (20 points)

T F Connector is a physical receptacle used to plug a peripheral device into the computer.

T F Scanner for optical character recognition (OCR) is an input device.

T F A hard disk drive consists of several fixed, rapidly rotating disks called cylinders.

T F Restarting a computer that is already on is known as warm boot

T F The best way to improve the performance of your computer is to install more RAM in the computer because the random access memory works faster than the hard disk.

T F Macs use a Motorola or IBM chip.

T F Accessing data from a hard disk is much faster than accessing it from RAM memory.

T F Windows 7 and Windows Vista use Explorer as a file manager.

T F There are five steps of the machine cycle.

T F Command-line user interfaces are very popular.

A

B

C D E F G

H

IJ

PART III: Identification Questions

Match the following terms. (10 points)

1 Programs in use D

2 Icons A

3 System Tray G

4 Windows Center J

5 Control Panel Option E

6 Start Menu B

7 Gadgets H

8 Taskbar F

9 Start Button C

10 Sidebar I

PART IV: Essay Questions

Answer at least two of the questions. (30 points)

1. What are the five basic functions of the operating system? (15 points)

1. Starts the computer2. Manages applications3. Manages memory4. Handles input and output device messages5. Provides a user interface for communication

2. Explain the system utility functions: Scanning and defragmenting disks. (15 points)

Disk scanning programs —find and resolve disk file storage problemso Bad sector —irregularity on the disk’s surface that renders a portion of

the disk unable to store data reliably Disk cleanup utilities —remove unnecessary files to save space Fragmented disk —results from computer creating and erasing files on hard disk

o Causes disk access to slow while system looks in several locations to find

all file segments Disk defragmentation programs —reorganize stored data in a more efficient

manner

3. What are the general characteristics of inkjet printers? (15 points)

Inkjet (nonimpact)—popular with home userso Provide excellent images—made up of small dots

o Advantages:

Inexpensive Generate professional color output

o Disadvantages:

Relatively slow