8/8/2019 IENG 331 T1 Sol. B

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IENG 331 Test #1 Name: KeySpring 2005 Max Points: 100

1. (4) __________ is regarded as father of modern computers:) Joseph Jacquard) Charles Babbage

) Herman Hollerith) Gottfried Leibniz) Blaise Pascal

2. (4) First generation computers were based ona) LSI technology

b) VLSI technologyc) Transistorsd) Vacuum tubese) None of the above

3. (4) The contents of _________ are lost on power downa) RAM

b) ROMc) Floppy Disk d) Hard Disk e) None of the above

4. (4) When an application program is being executed it is stored ina) CPU

b) ROMc) RAMd) DRAMe) None of the above

5. (4) The internal components of a computer are connected by aa) Car

b) Busc) ROMd) RAMe) None of the above

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6. (4) The internal operations of the computer are synchronized by) Wall Clock

Stop Watch) System Clock ) Atomic Clock ) None of the above

7. (4) A common trend in computer hardware is:a) Smaller, cheaper, faster

b) Bigger, cheaper, faster c) Bigger, more expensive, slower d) Smaller, more expensive, slower e) None of the above

8. (4) Baud rate refers to:a) Serial communication

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

9. (4) Simultaneous communication between the sending device and the receiving device is called:) Simplex communication

Complex communication) Duplex communication

) Half-Duplex communication) Full-Duplex communication

10. (4) 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

11. (4). In the parallel mode of communication data is transmitted:a) Serial by bitb) Serial by bytec) Serial by wordd) Serial by block e) None of the above

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17. (8) What is the integer representation of -52, in 2s complement, on a sixteen bit computer? Show the result inhexadecimala) 0034

b) FFCAc) FFCBd) FFCCe) None of the above

1s Comp: 1111 1111 1100 1011

2s Comp: 1111 1111 1100 1100

18. (10) What is the floating point representation of 52.671875? Show the result in hexadecimala) C352 B000

b) 4352 B000c) B000 C352d) 4352 9000e) None of the above

110100.101011 = .110100101011 X 2^0110 0 1000 0110 1010010 1011 0000 0000 0000

0100 0011 0101 0010 43521011 0000 0000 0000 B000

19. (8) What is the floating point representation of -52.671875? Show the result in hexadecimala) C352 B000

b) 4352 B000

c) B000 C352d) 4352 9000e) None of the above

1100 0011 0101 0010 C3521011 0000 0000 0000 B000

20. (8) What characters are represented by the following two sixteen bit words?01010100 01100101 01110011 01110100

T e s t

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