課程名稱︰計算機概論
課程性質︰電機系必修
課程教師︰黃鼎偉
開課系所︰電機系
考試時間︰2小時
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
Computer science
Midterm Examination for chapter 1~4
1.which of the following pattern represents the value-5 in two's complement
notatuion?(15%)
A 00011010
B 11011011
C 00000101
D 11111011
2.What value is represented by the bit pattern 01011100 when intepreted
using floating-point format in which the most significant bit is the
sign bit, The next three bits represent the exponent field in the excess
notation, and the last four bits represents the mantissa?(15%)
A -1 1/2
B 1 1/2
C -3/8
D 3/8
3.Which of the following data storage syatem provides the most efficient
random access to individual data items?(15%)
A Main memory
B Magnetic disk
C Optical CDs
D DVDs
4.Which of the following is an LZ77 compression of the bit pattern
01011110110?(15%)
A 0101(3,2,0)
B 010111(5,4,0)
C 01011(4,4,1)
D 1101(3,3,0)
5.Which of the following is not a form od parrallel processing?(15%)
A SISD
B MIMD
C SIMD
6.The bus in a computer is an example of which form of communication?(15%)
A Serial
B Parallel
C Neither A or B
7.Which of the following instructions does not fall in the category of
arithmetic/logic instructions?(15%)
A ROTATE
B ADD
C OR
D JUMP
8.Which of the following of an operating system handles the details
associated with particular peripheral equipment?(15%)
A Device Drivers
B File Manager
C Memory manager
9.A section of a program that shoud be executed by at most one process at
a tim is called a?(15%)
A Utility
B Critical region
C Priveliged instruction
10.Which of the following is atechnique for controlling access
to a critical region?(15%)
A Spooling
B Time Sharing
C Semaphore
D Booting
11.Which of the following is not a way of classifying networks?(15%)
A WAN versus LAN
B Closed versus On
C Router versus bridge
D Star versus bus
12. Ethemet is a mean of implementing which of the following network
topologies?(15%)
A Star
B Ring
C Bus
D Irregular
13.Which layer of the TCP/IP hierarchy transmits a message?(15%)
A Application
B Transport
C Network
D Link
14.Which of the following is not a means of connecting networks?(15%)
A Gateways
B Server
C Router
D Bridge
15. In the following table, match the term to each phrase that gives
the best description of the term. (15%)
Term Descriptive phrase
HTML __ (A)A means of encoding text in which each symbol is
represented by 16 bits
IP address __ (B)The activity of executing a program
virtual memory __ (C)Extended storage space created by the
memory manager
interrupt __ (D)Requiring that a process complete a block
of instructions before another process
is allowed to start the block
process __ (E)A means of measuring the rate of data transfer
op-code __ (F)Used by the CPU to keep its place in the
program being executed main memorr from where
they can br retrieve and executed
pipeling __ (G)The ability of a peripheral device to
communicate directly with a computer's memory
DMA __ (H)A signal that suspends the CPU's current
actuvities
bps __ (I)The part of a machine instruction that
identifies the basic operation to be performed
program counter __ (J)The act of performing more than one activity
at the same time
buffer __ (K)A means of processing more than one instruction
at a time
Unicode __ (L)Identifies a machine on the Internet
packet __ (M)A notation system for indicating hoe a Web
document is to be displayed by a browser
multitasking __ (N)A storage area used to hold data on a temporary
basis, often as a step in transferring the data
from one device to another
mutual exclusion__ (O)A message segment that is transmitted over the
Internet independently
ANSWER: DBABA BDABC CCDB
MLCH BIKG EFNA OJP
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