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计算机专业英语阅读y 过程性评测(3)【参考答案】

时间：2024-04-30 20:52:11 5A范文网浏览：平时作业我要投稿

判断题:13道,每道2分,总分26

1.The ASCII code is the most widely-used standardized coding system.

正确

错误

2.The LES instruction provides access to the offset address of the source operand as opposed to the value of the operand.

正确

错误

3.As soon as you turn the computer off, the contents of RAM will disappear.

正确

错误

4.The possible symbols in the binary numbering system are 0 to 9.

正确

错误

5.A processor can do everything without a program to provide control.

正确

错误

6.Planning is the first step in designing and creating a professional-looking document.

正确

错误

7.An array in FORTRAN does not have the same symbolic form as a simple variable.

正确

错误

8.The instructions of general-purpose transfers are MOV, PUSH, POP, and XCHG.

正确

错误

9.The heart of any computer system is the central processing unit (CPU).

正确

错误

10.Every memory location has two kinds of addresses, physical and logical.

正确

错误

11.DOS is a multitasking operating system.

正确

错误

12.Your computer uses two types of memory: primary memory and secondary memory.

正确

错误

13.Only a few bugs can trouble a program.

正确

错误

单选题:20道,每道3分,总分60

1.When a computer is turned on, a series of instructions stored in ROM called the ( ) issue the commands to load the operating system into main memory.

language translator

boot routine

utility

interrupt program

2.Instructions are frequently located in ( ), this would be an ideal place to keep constant operands.

RAMs

ROMs

general register

segment register

3.A floating constant consists of an integer part, a decimal point, a fraction part, an e or E, and an optionally signed integer （） .

exponent

order

superfluous

superior

4.Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is（）in computer systems.

useless

not important

important

too simple to be useful

5.The popular output devices used for personal computer are ( ).

scanner

mouse

keyboard

display screen and desktop printers

6.In （） ,the only element that can be deleted or removed is the one that was inserted most recently.

a line

a queue

an array

a stack

7.What is the system board?

The system board is the most important computer hardware which coordinates data to produce information.

The system board is another name of the system unit.

The system board is composed of a microprocessor and memory, the two most important system components.

The system board consists of both hardware essentials and software essentials.

8.What is the most commonly used computers in our daily life?

Mini-computer, desktop computer, notebook computer and PDA.

Micro-computer, desktop computer, notebook computer and PDA.

Supercomputer, mainframe computer, mini-computer and micro-computer.

Mini-computer, handheld computer, notebook computer and palm computer.

9.Since RAM is only active when the computer is on, your computer uses disk to store information even when the computer is off. Which of the following is true? （）

When your computer is on, only RAM is used to store information.

When your computer is on, only disk drives are used to store information.

When your computer is off, only RAM is used to store information.

When your computer is off, only disk drives are used to store information.

10.The set {120,-12,0.12,1.2} might be considered as ( ).

four data values that are somehow non-related

four distinct component values that are somehow related

a single data value

a set having four members

11.（）：A location where data can be temporarily stored.

Area

Disk

Buffer

File

12.Any ( ) consecutive bytes in memory are defined as a word. Each byte in a word has a byte address, and the ( ) of the addresses is used as the address of the word.

two, bigger

three, biggest

two, smaller

three, smallest

13.Primary memory which is stored on chips located ( ).

on the motherboard

outside

inside the processor

on the CPU

14.In the second generation of computers, ( ) replaced vacuum tubes.

CPU

transistors

integrated circuits

mechanical memory

15.The basic unit of measure in a computer system is the （）. It is the smallest unit in computing. There are some other measures in a computer, such as Kilobyte, Megabyte, Gigabyte and so on.

Kilobyte

Bit

Gigabyte

Megabyte

16.Software development begins at the system level and progresses through ( ) , design , coding , testing , and maintenance .

execution

analysis

computation

management

17.The attributes of the stack are ( ).

FIFO

LIFO

queue

built into their circuitry

18.For the 8086, the amount of information which transfers to or from memory at one time is always ( ).

16-bits

8-bits

16-bytes

8-bytes

19.The default input device is ( ), and the default output device is ( ).

mouse, monitor

keyboard, monitor

keyboard, printer

monitor, keyboard

20.The line of computing jobs waiting to be run on a computer system might be a （） . The jobs are serviced in the order of their arrival, that is, the first in is the first out.

queue

stack

array

record

多选题:7道,每道2分,总分14多选题:7道,每道2分,总分14

1.8086 CPU executes a instruction includes the steps:( )

write the result(if necessary)

read an operand(if necessary)

execute the instruction

fetch the next instruction from memory

2.FORTRAN distinguishes between two types fo numeric data:( ) and ( ).

integer