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IMSE 331 Test #1Name_________________

Spring 2004 Time: 50 min. Max. Points 100

Answer the following multiple-choice questions. Each question is worth four points.

1. The first mechanical adding machine was invented by:Joseph JacquardCharles BabbageBlaise Pascal*Gottfried Leibniz

None of the above

2. Analytical Engine was developed by:a) Joseph Jacquard

b) Charles Babbage*c) Herman Hollerithd) Gottfried Leibnize) Blaise Pascal

3. __________ is regarded as father of modern computers:

) Joseph JacquardCharles Babbage

) Herman Hollerith) Gottfried Leibniz) Blaise Pascal

4. The first electronic computer wasMARK IENIAC*UNIVACIBM

None of the above

5. The first generation computers useda) Vacuum Tubes*

b) Transistorsc) Integrated Circuitsd) VLSI Chipse) None of the above

6. The fourth generation computers useda) Vacuum Tubes

b) Transistorsc) Integrated Circuitsd) VLSI Chips*e) None of the above

7. The key components of microcomputer hardware are:a) The CPU, primary memory, secondary memory, input/output devices*

b) The CPU, hard disk, floppy disk, and printer.c) The CPU, ROM, RAM, and Network cardd) The Primary memory, secondary memory, input/output devicese) None of the above

8. The contents of _________ are lost on power downa) RAM*

b) ROM

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c) Floppy Disk d) Hard Disk e) None of the above

9. The internal components of a computer are connected by aa) Train

b) Bus*c) ROMd) RAMe) None of the above

10. The internal operations of the computer are synchronized bya) Wall Clock

b) Stop Watchc) System Clock*d) Atomic Clock e) None of the above

11. During execution the application program is stored in:a) CPU

b) RAM*c) ROMd) Floppy disk e) None of the above

12. A common trend in computer hardware is:Smaller, cheaper, faster*Bigger, cheaper, faster Bigger, more expensive, slower Smaller, more expensive, slower None of the above

13. Convert 111011.111 from base 2 to base 10a) 59.875*

b) 73.7c) 3B.Ed) E.3Be) None of the above

14. Convert 281.125 from base 10 to base 2) 100011001.001*) 100110001.100) 011100110.010

d) 011100111.110) None of the above

15. Convert 281.125 from base 10 to base 16a) 431.1

b) 119.2*c) 119.1d) 7EEF.1e) None of the above

16. What is the integer representation of 281? Show the result in hexadecimala) 0119*

b) 0431c) FEE7d) 7EEFe) None of the above

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17. What is the integer representation of -281, in 2s complement? Show the result in hexadecimala) 9110

b) 7EEFc) FEE7*d) 0119e) None of the above

18. What is the floating point representation of 281.125? Show the result in hexadecimala) C82C 0009

b) C82A 0009c) C28C 9000

d) 428C 9000*e) None of the above

19. What is the floating point representation of -281.125? Show the result in hexadecimala) C82C 0009

b) C82A 0009c) C28C 9000*d) 428C 9000e) None of the above

20. Baud rate refers to:a) Serial communication

b) Parallel communicationc) Synchronous communicationd) Asynchronous communicatione) Transmission speed*

21. Simultaneous communication between the sending device and the receiving device is called:) Simplex communication

Complex communication) Duplex communication) Half-Duplex communication) Full-Duplex communication*

22. In the serial mode of communication the data is transmitteda) Serial by bit*

b) Serial by bytec) Serial by wordd) Serial by block e) None of the above

23. In the parallel mode of communication data is transmitted:a) Serial by bit

b) Serial by byte*c) Serial by wordd) Serial by block e) None of the above

24. In a star network, the computers are connected in a:

a) In a ring b) By a busc) By a LANd) By a server*e) By a phone

25. The path of each packet in a packet switched network is determined by:a) The host computer

b) The each node in the network*c) The dispatcher d) The central computer

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e) None of the above

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