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Computer Q & 5 April 30, 2011

Multiple Choice

1 title (1 point): Computer viruses can be parasitic on the computer () method.

A, CPU

B, motherboard

C, display

D, memory

Question 2 (1 point): all of the information stored in the computer are used ().

A, decimal

B, hex

C, ASCH code

D, the binary

Question 3 (1 point): in the following information-related computer equipment, the equipment is used to store information ()

A, fiber optic cable

B, tape drive

C, communication satellites

D, router

Question 4 (1 point): PentiumII is ().

A, the computer brand

B, computer company

C, host

D, CPU Model

Question 5 (1 point): We often say that the 486,586, Pentium II, Pentium III and other computer, where 486,586, Pentium II, Pentium III refers to the (.)

A, storage capacity

B, computing speed

C, the display speed

D, CPU Model

Question 6 (1 point): If there are multiple interrupt events occur simultaneously, the system will respond according to the priority interrupt high priority interrupt request, which of the following interrupt events can be used to adjust the response order ().

A, interrupt nesting

B, the interrupt vector

C, interrupt response

D, interrupt mask

question 7 (1 point): In computer applications,

A, CAD

B, CAM

C, CAE

D, CAT

Question 8 (1 point): description on the floppy drive is not correct (.)

A, also known as the floppy disk drive FDD, is used to drive rotating disc, and disc information in the read / write device

B, CPU control circuit on the motherboard directly control the floppy disk drive

C, floppy drive cable through a standard 34-pin floppy drive slot on the motherboard connection

D, floppy disk drive interface circuit can receive and interpret commands from the CPU

Question 9 (1 point): an increase of the write-protected floppy disk ()

A, not outward transmission of the virus, the virus will not

B, both the outward transmission of the virus, the virus will

C, will not be infected with the virus,wholesale air max tn 3 0532-85768955, but transmission of the virus may be out

D, not outward transmission of the virus, but infected

10 questions (1 point): the computer's arithmetic unit, memory controller and the computer form the () part.

A, CPU

B, host

C, peripheral

D, ALU

the first 11 questions (1 point): The following equipment is usually not as an input device of a (.)

A, microphone

B, the scanner

C, mouse

D, Speaker

12 questions (1 point): the development of micro-computer () technology is characterized by signs.

A, the microprocessor

B, the operating system

C, storage

D, software

the first 13 questions (1 point): that the validity of the indicator data (.)

A, bit error rate

B, transfer rate

C, the channel capacity

D, bandwidth efficiency

14 questions (1 point): RAM is characterized by a (.)

A, mass storage

B, in which information can be stored in the permanent preservation

C, once off, store the information in its all gone and can not be restored

D, is stored in the data can not be rewritten

Question 15 (1 point): Generally speaking 1.44MB 1.44MB floppy disk in the mean ().

A, factory code

B, or trademark

C, the disk number

D, disk capacity

16 questions (1 point): 3 binary 10111100,1 1010000,01010101 to

A, 00010000

B, 11111101

C, 11101101

D, 11100001

the first 17 questions (1 point): the first generation of computer-() computer.

A, tube

B, the transistor

C, small and medium scale integrated circuit

D, large scale integrated circuit

18 questions (1 point): The following four narratives, the correct one is (.)

A, laser printers are impact printers

B, floppy disk drive is the memory

C, can be used on all computer software called the Application Software

D, the operating system is the interface between the user and the computer

19 questions (1 point): normally say that a computer's memory capacity is 8M, mean ().

A, 8M-bit

B, 8M bytes

C, 8M words

D, 8000K words

20 questions (1 point): micro-computer external memory, with () directly for data transfer.

A, arithmetic unit

B, the controller

C, microprocessor

D, internal memory

21 questions (1 point): the current mainstream hard most of the internal data transfer rate in [1] MB / S to [2] MB / S between.

A, [1] 15 [2] 30

B, [1] 15 [2] 20

C, [1] 20 [2] 30

D, [1] 20 [2] 40

22 questions (1 point): Computer and parallel printer connection, printer, signal lines should be connected to the computer's () on.

A, parallel connection

B, serial interface

C, display interface

D, printer interface

the first 23 questions (1 point): desktop PC, a keyboard interface with the host [1], [2] and [3].

A, [1] COM interfaces [2] AT Interface [3] PS / 2 Interface

B, [1] LPT Interface [2] AT Interface [3] PS / 2 Interface

C, [1] USB Interface [2] AT Interface [3] COM interfaces

D, [1] USB Interface [2] AT Interface [3] PS / 2 Interface

the first 24 questions (1 point): the relationship between the use of microcomputer databases to applications in terms of belonging to ().

A, data processing

B, Scientific Computing

C, real time control

D, computer-aided design

Question 25 (1 point): Here () is not the development trend of application development tools.

A, using layer Client / Server

B, support for Web applications

C, open distributed computing environment

D, component-style distributed computing environment

26 questions (1 point): The operating system is a (.)

A, the target program

B, application support software,

C, system software

D, application software

27 questions (1 point): high-level language source code must be compiled into a target program can be implemented after the completion of this program is the translation process ().

A, assembler

B, editor

C, interpreter

D, compiler

28 questions (1 point): The computer is able to automatically according to the intention of people to operate, largely because of ().

A, the binary encoding.

B, high-speed electronic components

C, high-level language

D, storage, process control

29 questions (1 point): the dangers of computer viruses to destroy ()

A, the floppy disk

B, hard drive

C, printer

D, programs and data

the first 30 questions (1 point): Storage capacity lG, 1K, 1M, respectively, 2 () bytes.

A, 10,20,30

B, 30,10,20 '

C, 20,30,10

D, 30,20, lO

the first 31 questions (1 point): Storage capacity lG, 1K, 1M, respectively, 2 () bytes.

A, communication technology

B, computer technology

C, network technology

D, biotechnology,

32 questions (1 point): computer arithmetic unit, also known as ().

A, arithmetic logic unit

B, arithmetic unit

C, logical unit

D, adder

the first 33 questions (1 point): PC computer hardware system is the core component ().

A, motherboard

B, CPU

C, internal memory

D, I / O devices

34 questions (1 point): The following do not constitute acts of computer crime ()

A, violation of state regulations, computer information systems for data modification or interference, resulting in not functioning properly, the consequences are serious

B, intentionally producing and disseminating computer viruses and other destructive programs, affecting the normal operation of computer systems, the consequences are serious

C, violation of state regulations and functions of the computer information system to modify or interfere with, resulting in not functioning properly, the consequences are serious

D, to information systems security, information system by allowing the installation of monitoring program

35 questions (1 point): The following description is correct (.)

A, a simple interrupt, the interrupt is done by other parts, CPU is still in the original program

B, in the interrupt process, have raised the interrupt source interrupt, CPU interrupt nesting immediate

C, in the interrupt response, the protection of breakpoints, protection of the site completed by the user programming

D, in the interrupt response, the protection of breakpoints, protection of the site is done automatically by the interrupt response

36 questions (1 point): The following options are not the characteristics of computer viruses (.)

A, destructive

B, infectious

C, latent

D, not preventive.

37 questions (1 point): a computer for data processing and handling of components, often referred to as ().

A, arithmetic unit

B, the controller

C, display

D, memory

38 questions (1 point): If a non-zero unsigned binary integer plus two zeros on the right to form a new number, the new value of the number of the original value ().

A, four times

B, double

C, a quarter

D, half

39 questions (1 point): The current Pentium processor PC, the majority of its local bus (.)

A, VESA bus

B, ISA bus

C, EISA bus

D, PCI bus

40 questions (1 point): The computer used in the binary counting system on the grounds that ()

A, easy physical implementation

B, operation rules are simple

C, easy to carry out logic operations

D, above three points

41 questions (1 point): micro-computer CPU is the core component, it ().

A, directly to the user to solve various practical problems

B, correctly and efficiently execute scheduled commands

C, direct implementation of programs written in any high-level language

D, determining the overall computer system performance

42 questions (1 point): a double-sided high density diskette is formatted, if each side has 80 tracks, each track has 18 sectors, each sector has 512B, The film is kind of floppy disk capacity ().

A, 720KB

B, 360KB

C, 1.2MB

D, 1.44MB

43 questions (1 point): The following does not belong to the computer's main application is the ()

A, Scientific Computing

B, data processing

C, process control

D, video player

44 questions (1 point): PC only be able to directly identify and deal with the language is ()

A, assembly language

B, high-level language

C, non-high-level language

D, machine language

45 questions (1 point): add write-protected floppy disk after the operation when it can be (.)

A, can not read the disk drive can not write

B, you can read the disk drive can also write

C, can only write disks can not read the disk

D, can only read the disk drive can not write

46 questions (1 point): The core computer system software, software is ().

A, language processing system

B, service system

C, the operating system

D, the database system

47 questions (1 point): the main difference between survival and secondary storage does not include ().

A, is addressed by byte or word

B, whether long-term preservation of information

C, can run the program

D, whether direct access by the CPU

48 questions (1 point): the basic hex signs have () no.

A, 4

B, 8

C, 12

D, 16

49 questions (1 point): the current PC, the ISA bus in the general reserves (AT bus), the I / O slots can support the memory address lines are ().

A, 32 条

B, 24 条

C,cheap Nike Air Max Classic BW, 20 条

D, 16 条

50 questions (1 point): In the computer, 1KB equals () bytes.

A, 1000

B, 1200

C, 1024

D, 1042

51 questions (1 point): In order to solve the CPU and main memory speed matching can be used (), which ranged between CPU and main memory, the link between it and the main memory via hardware , the virtual memory address translation technology through a combination of software and hardware implementation.

A, buffer pool

B, secondary storage

C, high-speed buffer memory

D, low-speed buffer memory

52 questions (1 point): 3.5in floppy disks commonly used is ().

A, 720KB

B, 1.2MB

C, 1.44MB

D, 360KB

53 questions (1 point): computer memory, one byte from ()-bit binary bits.

A, 4

B, 8

C, 16

D, 32

79 questions (1 point): CPU internal memory () can only read not write.

A, RAM

B, ROM

C, CD-ROM

D, the hard disk

80 questions (1 point): the following information about the arrangement of the memory read and write speed, the right is (.)

A, RAM> CACHE> hard> disk

B, CACHE> RAM> hard> disk

C, CACHE> Hard> RAM> disk

D, RAM> Hard> CACHE> Floppy

81 questions (1 point): The current ticketing system is used by the Civil Aviation ().

A,discount Air Max TN, real-time control system

B, online transaction processing system

C, the batch system

D, Digital Simulation System

82 questions (1 point): 1MB The precise meaning of (.)

A, 1024B

B, 1 million bytes

C, 1024KB

D, 1024 bytes

83 questions (1 point): the following four, do not belong to the computer virus signature is ().

A, latent

B, infectious

C, stimulating

D, immunity

84 questions (1 point): Using FORTRAN language or source code written in C language compiler needs to be compiled first, then after () before it can be executable.

A, assembly

B, explain

C, connected

D, running

85 questions (1 point): convert the binary number 11001010 is the hexadecimal number () o

A, CA

B, 69

C, 312

D, 202

86 questions (1 point): The following statement on the computer language, the error is ().

A, a program written in assembly language, the computer can not directly execute

B, assembly language and computer hardware related

C, source code is defined by high-level language, assembly language programs

D, machine language binary code formed by the

87 questions (1 point): Which of the following devices do not belong to the output device ()

A, display

B, printer

C, mouse

D, the plotter

88 questions (1 point): There are many characteristics of computer viruses, computer viruses do not belong to the following characteristics of the (.)

A, infectious

B, destructive

C, latent

D, to a certain amount of time his own death

89 questions (1 point): the following is not a computer key when the key is the hot start ().

A, CTRL

B, SHIFT

C, ALT

D, DEL

90 questions (1 point): 80386 microprocessor general purpose register Yes () no.

A, 8

B, 16

C, 24

D, 32

91 questions (1 point): The complement representation, with eight binary symbols can be expressed in integer range ().

A, -128 ~ +127

B, -128 ~ +128

C, -127 ~ +127

D, -127 ~ +128

92 questions (1 point): Here are some of main memory PC computer account:

① addressing the main memory unit of the basic 32-bit length

② main memory, also known as memory, it is a dynamic random access memory

③ currently on the market the majority of PC, the memory capacity has reached more than 64MB

④ PC machine's memory capacity can be expanded general

which is correct (.)

A, ① and ③

B, ①, ③ and ④

C, ①, ②, ③ and ④

D, ②, ③ and ④

93 questions (1 point): 16-bit CPU can handle () hexadecimal number.

A, 4

B, 8

C, 16

D, 32

94 questions (1 point): the memory of each basic unit is assigned a unique serial number, known as ().

A, capacity

B, address

C, No.

D, bytes
Question

section 95 (1 point): the memory data to the computer's hard drive, called ().

A, shows

B,nike air max skyline, read the disk

C, input

D, write disk

96 questions (1 point): Cache (Cache) The role of ().

A, solve the auxiliary storage memory and the speed mismatch between the

B, to resolve the host and external device speed mismatch between the

C, solve the CPU and hard disk speed mismatch between the

D, CPU and memory speed does not solve the problem of matching

97 questions (1 point): compared to the hard disk and floppy disk ().

A, slow rotating disk

B, high-speed disk access

C, a small hard drive capacity

D, portable hard drive

98 questions (1 point): In the computer program used to control the operation of the components are ()

A, Keyboard

B,70% off women's Nike Air Max 2009 I, the controller

C, arithmetic unit

D, mouse

99 questions (1 point): I / O device that is ().

A, input devices

B, the output device

C, A and B

D, A and B devices other than

100 title (1 point): The computer system consists of ().

A, host and system software

B, composed of hardware and application software

C, composed of hardware and software systems

D, microprocessors and software system components

101 title (1 point): The computer in the () is usually used to store the BIOS program.

A, the hard disk

B, floppy disk

C, ROM

D, RAM

102 title (1 point): start is the process of computer operating system ().

A, transferred to the central processor from the disk

B, transferred from the memory cache

C, transferred from a floppy disk

D, transferred from the internal memory external storage

103 title (1 point): The following statement is not correct ()

A, has a memory capacity of any memory, the information stored in the computer which will not be lost after power failure

B, all the memory only when the supply voltage is normal to store information

C, the higher the frequency the computer, the faster speed of operation

D, display more pixels, the higher the resolution, the displayed character or image more clear and realistic

104 title (1 point): RAM after power failure in the information will be ().

A, loss

B, can not be lost

C, sometimes lost and sometimes are not lost

D, will be automatically saved

105 title (1 point): PC, located in two single-byte signed integer: A = 01001110, B = 10100001, then the AB result is ().

A, 11101111

B, 10010001

C, 10101101

D, 00101101

106 title (1 point):

A, CAD

B, CAI

C, CAT

D, CAM

107 title (1 point): the computer's main memory means (.)

A, RAM and disk C

B, ROM

C, ROM and RAM

D, the hard disk and controller

108 title (1 point): computer power, the data will be lost in the internal memory is ()

A, RAM

B, ROM

C, disk

D, CD

109 title (1 point): (173) 10 is converted into binary (.)

A, 010101101

B, 10101101

C, 0101101

D, 01101101

110 title (1 point): In the computer, the host microprocessor and the () component.

A, arithmetic unit

B, internal memory

C, floppy disk memory

D, disk storage

111 title (1 point): The following data set the maximum number is ().

A, 227 (8)

B, 1FF (16)

C, 1010001 (2)

D, 789 (10)

112 title (1 point): commonly referred to as the memory capacity of 64 megabytes, is the memory capacity ().

A, 64B

B, 64KB

C, 64MB

D, 64GB

113 title (1 point): program is (.)

A, computer language

B, solve a problem of information

C, the basic operation of the computer

D, to solve a problem, the limited use of computer commands written in an ordered set

114 title (1 point): the memory is used to store (), the main components of information.

A, decimal

B, binary

C, octal

D, hex

115 title (1 point): In addressing the floppy disk drive (for).

A, disc sports, head fixed

B, platters and heads are moving

C, the disc does not move, head movement

D, platters and heads are not moving

116 title (1 point): a total of seven binary digital representation () a ASCII characters.

A, 127

B, 128

C, 255

D, 256.

117 title (1 point): micro-computer input and output devices commonly used for the ()

A, keyboard, monitor,

B, keyboard and mouse

C, monitors and printers

D, mouse and printer

118 title (1 point): the general trend of computer development is (), multimedia, networking.

A, Intelligent

B, highly automated

C, scientific

D, scientific

119 title (1 point): The following four basic knowledge about computer narrative, the right is (.)

A, a lossless compression encoding format

B, a lossy compression encoding format

C, a non-encoded format with compression

D, the transmission of an image and text encoding format

120 title (1 point): Computer software is usually divided into () two broad categories.

A, system software, operating system

B, database software, application software

C, operating systems, database software

D, system software, application software

121 title (1 point): micro-computer monitors generally have two sets of leads, they are (.)

A, the signal line and address line

B, power lines and signal lines

C, control line and address line

D, power lines and control lines

122 title (1 point): In the following instructions, make the PC-CPU of I / O port for read and write access to the (.)

A, interrupt instruction

B, string manipulation instructions

C, input and output commands

D, send commands

123 title (1 point): micro-computer's main memory than the secondary memory ().

A, storage capacity

B, storage reliability

C, read and write speed

D, cheap

124 title (1 point): In order to prevent the transmission of the virus to the preservation of important data on-chip 3.5-inch floppy disk, the correct way is ().

A, close the disc on a small square piece horn mouth.

B, open the disc on a small square piece horn mouth.

C, the disc stored in a clean place.

D, do not have the virus disc and disc together.

125 title (1 point): the role of micro-computer nerve center to play the part is ().

A, memory

B, the controller

C, the output device

D, arithmetic unit

126 title (1 point): a computer with MIPS to measure performance indicators ().

A, transfer rate

B, storage capacity

C, word

D, speed of operation

127 title (1 point): () group, the two software are system software.

A, DOS, and MIS

B, DOS and UNIX

C, UNIX, and MIS

D, WPS, and XENIX

128 title (1 point): the memory in the micro-computer, not content with the instruction to modify some of its memory is (.)

A, RAM

B, DRAM

C, ROM

D, SRAM

129 title (1 point): In order to solve the access speed, storage capacity and memory, prices of these three pieces of the conflict, it is proposed the concept of multi-level storage system, that is, from () together form the computer storage systems.

A, CACHE, RAM, HOM, auxiliary storage

B, RAM, auxiliary storage

C, RAM, HOM, floppy disk, hard disk

D, CACHE, RAM, HOM, disk

130 title (1 point): The following four different number system, said the number, the value of the largest is ().

A, the binary number 11011101

B, octal 334

C, decimal number 219

D, hexadecimal DA

131 title (1 point): The following statement is wrong (.)

A, the floppy disk on the strong magnetic field, the data on the disk will not be affected

B, using the disk, for reading and writing not touch the disc box

C, hardware devices can not use a sharp characterization in the floppy disk, mark can only use a soft brush

D, floppy disk can not be folded or bent

132 title (1 point): the computer's memory can be used ().

A, RAM and ROM

B, RAM

C, ROM

D, disk

133 title (1 point): formed by all the machine language instruction called ().

A, machine language

B, assembly language

C, high-level language

D, database language

134 title (1 point): CAD refers to the (.)

A, computer-aided instruction

B, computer-aided management

C, computer-aided design

D, computer-aided analysis

135 title (1 point): each byte of computer memory () bit.

A, 8

B, 7

C, 6

D, 9

136 title (1 point): The following narrative, which one is correct ().

A, anti-virus software usually lags behind the emergence of new computer virus

B, anti-virus software is always ahead of the virus appears, it can check, kill the virus of any kind

C, infected with computer viruses, computer has immunity to the virus

D, computer viruses can harm the health of computer users

137 title (1 point): not a computer peripheral device is (.)

A, input devices

B, peripheral

C, the output device

D, the main (internal) memory

138 title (1 point): The following statement is not correct ().

A, PC machine monitor is a monitor and display control card consisting of two parts

B, CRT display each pixel of red, green and blue color formed

C, Mitsubishi CRT grid-like design, thanks to a variety of innovative technologies, making the monitor display is more delicate, bright, to achieve a

D, CRT display shows the rear of the gun control issue of electron beam, electron beam from left to right, top to bottom, line by line bombardment screen, forming a complete picture

139 title (1 point): In the microcomputer, the memory data to disk, known as ().

A, write disk (save)

B, read the disk (open)

C, output

D, None of the above

140 title (1 point): micro-computers, computing device, memory controller and the general is (.)

A, the host

B, MPU

C, CPU

D, ALU

141 title (1 point): In the computer field is usually described by MIPS (.)

A, the computer's processing speed

B, the reliability of the computer

C, the computer can run of

D, computer scalability

142 title (1 point): 486 machines commonly referred to is ().

A, the word length of 486 machines

B, the memory capacity of 486KB

C, with speeds up to 486MHz

D, they use models for the 80486 microprocessor chip

143 title (1 point): The following method of launching applications, is not correct ()

A, from the

B, from the

C, in the Explorer window with the left mouse button double-click the application icon

D, right double-click the application icon

144 title (1 point): the working process of the computer processing of information is ()

A, collecting information, processing and storage of information, output

B, output, processing and storage of information, gather information

C, processing and storing information, gather information, output

D, output and processing information, information storage, information gathering

145 title (1 point): Now the hard disk capacity are the number say G, then lG = () MB

A, 1024

B, 1000

C, 1024 * 1024

D, 1024 * 1024

146 title (1 point): When the floppy disk in a write-protected state, the operation can be on the floppy disk is (.)

A, can neither read nor write

B, can only be read

C, can read, can write

D, can write, but can not read

147 title (1 point): Use Pentium/120 PC, the CPU input clock frequency ().

A, 40 MHz

B, 60 MHz

C, 120 MHz

D, 240 MHz

148 title (1 point): convert hexadecimal decimal number is 1000H (.)

A, 1024

B, 2048

C, 4096

D, 8192

149 title (1 point): The following is one of the characteristics of computer description of the error is (.)

A, fast operation

B, operation and high precision

C, run the process requires manual intervention

D, has a

150 title (1 point): The following abbreviation is the Chinese meaning of the error ()

A, CPU - Central Processing

B, RAM --- read-only memory

C, CAI - a computer-assisted instruction

D, PC - personal computer

151 title (1 point): 10011010 and 00101011 binary logical multiplication (that is,

A, 00001010

B, 10111011

C, 11000101

D, 11111111

152 title (1 point): The following CD-ROM discs on the description, is not correct ().

A, capacity

B, long life

C, slower than the hard disk transfer rate

D, read and write
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