英语学习材料第1期

Two, the judge

1, 2, 3, 4, 5, 6, 7, 8, 9, von Neumann principle? Is the only working principle of computer. (computer can directly identify the assembly language program. (x) (the computer can directly execute the advanced language source program. (computer power down, the information in the ROM will be lost. * (computer) after power off, the information will be lost in memory. V) (application software is to expand the storage capacity of computer. (x) one of the functions of the operating system is to improve the operating speed of the computer. ()

A complete computer system is usually composed of two parts, hardware and software. V) (logical unit of the third generation of computer is used in small scale integrated circuit. (V) V)

10, byte is one of the commonly used data units in the computer, it's English name is byte. (

11, the various stages of the development of computer is to use the physical device as a symbol. V (12, CPU) is composed of a controller and a calculator. V) (13, 1GB = 1000MB, equal to 1000000KB. * (V)))

14, read only memory of the English name is ROM, the English text is Only Memory Read. (15, random access memory is RAM, Access Memory Random. (V

16, count machine soft parts according to its use and real power can not be divided into a series of soft parts and soft parts of the two categories. (V)

17, the keyboard and the monitor are the I/O equipment of the computer, the keyboard is an input device, the monitor is the output device. V (18), the input and output device is a device used to store programs and data. X (19, RAM, the information in the computer will be lost after power. V (20), the central processor and the main memory of a computer main body, called the host. V) (most of the hardware equipment 21, outside the host called peripheral devices or external devices, referred to as peripherals. V) (22, any memory has memory, which is the information will not be lost. (23) one of the functions of the operating system is to improve the operating speed of the computer. ())

24, the hard disk is usually installed in the mainframe, so it belongs to the main memory. (25) () of the arithmetic and logic operations of the component, usually referred to as CPU. (x)

The computer 26, sixteen bit is to calculate the maximum 16 decimal data computer. (27) (101) common keyboard and 104 keyboard. V (28), the mouse can be divided into mechanical mouse and optical mouse. V) (29, CD belongs to external memory, also belongs to the auxiliary memory. V) (30, CRT display and CRT display. (31) tick, the printer can be divided into the printer and nonimpact printer according to the working principle of printing. (V)

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32. The resolution and color number of the computer are set by the display card, but the effect is determined by the display. V) (33, with the help of computer processing of audio card. (V) the computer central processor 34, referred to as: ALU. (35) the smallest unit in a computer is a digit of the binary. (36, 1 bytes are composed of 8 binary digits. V) (CPU 37, the main task is to retrieve instructions, interprets the instruction and instruction. (38, CPU mainly consists of a controller, an operator, and a number of registers. V (39 CPU clock frequency, is dedicated to the memory of the time. (40) the microcomputer bus is mainly composed of three parts: data bus, address bus and control bus. V) (41, in memory data can be processed directly into the CPU. (42) electronic computers are mainly based on the electronic components. * (V)))

Fourth, the 43 generation of electronic computers mainly used in small scale integrated circuit components manufacturing success. (44) the hardware system of a computer is made up of a controller, a display, a printer, a host and a keyboard. (45) the memory of the computer is larger than that of the hard disk storage. (46), in a computer, 1000K is called a M. (47), in a computer, 1024B is called a KB. (48) tick all the information in the computer, are stored in the form of ASCII code inside the machine. (49, text information processing, all kinds of text symbols are in the form of binary number stored in the computer. Tick (main components of 50 and second generation computers are transistors. V) (51 major components, the first electronic computers are transistors. (52) the world's first electronic computer was born in 1946. (53) when, in the computer, 1K bytes can store about 1000 Chinese characters. (54, the world's first electronic computer was born in germany. (55, in a computer, 1GB represents a 1024M Chinese character. (56) (, third generation of electronic computers are mainly used in the manufacture of large scale integrated circuit components. (57) the current computer is called the fifth generation. (x))

58, a complete computer system should include hardware and software systems. V) (59, in a computer, and a byte composed of 8 binary. V) (60, 1MB is 1024*1024B. V) (61, personal computer belongs to micro computer. V) (62, the computer can directly identify and deal with language is assembly language. ()

63, the computer memory in the ROM can only read data can not write data. V) (ROM and RAM , the biggest difference is that ROM is read-only, read and write RAM. (65) the main function of tick, the calculator is not to perform arithmetic operations, logical operations. (x) 81

66, and memory storage device, compared with the characteristics of external memory is small, fast, high cost. (67) the memory storage device is used to store the program being executed and the required data. (V)

68, the storage capacity of the commonly used KB, 4KB said that the storage unit has 4000 bytes. * (69), if divided according to length of microcomputer can be divided into 8 bit machines, 16 machines, 32 bit and bit. (V)

70, the world's different types of computer work principle is Von Neumann proposed storage program control principle. V) (71, micro computer floppy disk and hard disk, hard disk is characterized by fast access speed and large storage capacity. Tick) (72, affect personal computer system function of factors in addition to use what kind of bit microprocessor system and CPU clock frequency, CPU main memory capacity, CPU can provide instruction set. V) (73, the printer is an output device. V (74), the display is an output device. Tick) (75, in general, the data stored in the external memory, in power will not be lost; 76, computer external information transmission computer equipment is input to the device. V) (77, at present the basic working principle of the computer is stored program control. V) (78, the mouse is an input device. V) (79, PC, another name is the logic unit alu. V) (80, micro computer memory is byte addressing. V) (81, the operating system is the interface between the user and the computer. V (82), memory and storage, is the main characteristics of quick access. V) (83, CPU can not directly deal with memory. V) (method 84, octal number into a binary number for each 8 hexadecimal number with 3 bits instead of. V (85, ALU) computer using complement addition and subtraction. Tick) (86, a computer hardware system is comprised of five parts, the computing devices, controllers, memory, input and output devices. (V)

87, CPU main arithmetic, controller and some registers. V) (88, memory is composed of read-only memory (ROM) random access memory (RAM) of these two parts. V) (, CPU and memory are collectively referred to as the host. V) (90, in memory, read only memory cannot be written, called read-only memory (ROM). (V) the main performance index of 91, micro machine word length, clock frequency, speed, memory capacity. (92) when the hardware system of microcomputer, including the host and peripherals. V) (93, memory is the function of computer memory and data storage. Tick) (the main features of 94, external and internal memory is the memory consists of large-scale semiconductor integrated circuit chip, access speed fast, price high, content addressable, small volume, it can not be long-term preservation data. Memory is by electromagnetic conversion and photoelectric conversion of stored data, high capacity, long-term preservation, but the price is relatively low, access speed slower. V) (95, at present the computer language can be divided into machine language, assembly language and high-level language. (V) 82

96, bit means a bit. V) (97, composed of binary code language is machine language. V) (98, in a microcomputer system of Chinese characters, a Chinese character code is 2 bytes. V) (99, reflecting the basic unit of computer storage capacity is byte. (100) when a floating-point number in the computer, represented by the order code and mantissa. V) (101, carry counting involves two basic problems: the base and the digital right. V) (102, inside the computer, all the information storage, processing and transmission are used (binary) form. Tick (103, in the computer, the bit is the smallest unit of data. V) (104, 58 decimal number into a binary number is (111010) (V). 105, the micro computer, the meaning of the I/O device is the input / output device. V) (106, CD, floppy disk, hard disk is external memory computer. V) (107, the central processor is the core of the computer system. V) (108, released on the computer controller is life \"(\" this decision mechanism tick). 109, basic ASCLL code contains 128 different characters.