Unit1 EX1
1 F 2 T 3 T 4 F 5 T 6 F 7 T 8 T 9 T EX2
1. Input hardware, storage hardware, processing hardware, output hardware 2. power, speed, memory 3. central processing unit 4. internal, primary, memory
5. keyboard, central processing unit, main memory, monitor
EX3 PARTA 1 F 2 D 3 G 4 C 5 B 6 A 7 E 8 H
EX3 PART B 1 F 2 E 3 G 4 B 5 A 6 C 7D 8 H EX4
1 input device 2 screen
3 manipulates 4 instructions 5 retrieve 6 codes 7 hardcopy 8 function EX5 1 T 2 T 3 F 4 F 5 T 6 F 7 T 8 T
UNIT2 EX1 1 T 2 F 3 T 4 F 5 T 6 F 7 T 8 F EX2
1 sizes, shapes, processing capabilities
2 supercomputers, mainframe computers, minicomputers, microcomputers 3 mainframe computer
4 microcomputer, storage locations
5 portables, laptop computers, desktop workstations 6 semiconductor
7 CPU, memory, storage, devices, processing, users 8 microprocessor chip
10F
EX3 PARTA 1 C 2 A 3 H
EX3 PARTB 1 capacity 2 device
3 laptop computer 4 Portable computers 5 Silicon
6 semiconductor 7 workstation 8 Voltage, voltage 9 RAM 10ROM
EX4 1 portable 2 access
3 main memory
4 sophisticated programs 5 processing capabilities 6 instructions 7 computation
8 computer professional
EX5 1 T 2 T 3 F 11F 12T 13 T
UNIT3 EX1 1 T 2 F 3 T 11T 12F 13F EX2
1 microprocessor 3 register 5 processor 7 arithmetic, logic 9 instruction 11megahertz
4 I 5 E 4 F
5 F 14 T
4 T 5 T 14T
6 F 7 G 8 J
6 T 7 F 8 T 9 T 6 T 7 F 8 F 9 T 2 bus
4 control unit 6 binary
8 milliseconds, microseconds 10execution 12wordsize
10T 10 F
EX3 PARTA 1 F 2 A 3 J
EX3 PARTB 1 Storage 3 buses 5 register 7 machine language 9 bits EX4
1 configuration 2 decodes 3 data bus 4 characters 5 converts 6 synchronize 7 circuitry
8 internal clock EX5 1 T 2 F 3 F
UNIT4 EX1 1 F 2 T 3 T 11T 12T 13F 21T 22F EX2
1. memory 2. RAM
3. diskettes, disks 4. chips 5. parity
6. expanded, extended 7. monochrome 8. cache 9. ROM 10. updated EX3 PART A 1 B 2 E 3 C
4 C 5 D
4 T 5 F 4 F
5 F 14F 15T 4 J 5 I 6 E 7 H 8 I 2 chip 4 ALU 6 control unit 8 binary system 10computer program
6 F 7 T 8 T 6 T 7 F 8 T 16F 17T 18F 6 H 7A 8 F 9 B 10G
9 F 10 F 9 T 10 F 19T 20F
9 G 10D
EX3 PART B
1. secondary storage 2. buffer 3. access 4. code 5. diskette 6. slot
7. terminals 8. motherboard 9. byte 10. screen EX4
1. desktop 2. software 3. animation 4. transferred 5. sophisticated 6. compatible 7. cache 8. upgrade EX5 1 T 2 F 3 F 4 T 5 T 6 T 7 T 11T 12F 13F 14T 15T 16F 17F 21T 22T
Unit 5 Ex1:
1 T 2 T 3 F 4 T 5 F 6 F 7 F 11F 12T 13F 14F 15T 16T 17F 21T 22T 23T EX2
1. mail, courier 2. hub, star
3. local area network 4. packets 5. Ethernet
6. kilobits per second, megabits per second, gigabits per second 7. circuit switching 8. reassembled
9. internet protocol, transmission control protocol 10. datagrams 11. frames
12. binary, decimal
8 F 9 T 18F 19F 8 T 9 T 18T
19F 10 F 20T
10 T 20F
EX3 part A 1 C 2 E 3 B 4 F 5 A 6 D 7 H 8 G
EX3 part B 1. hub 2. zipped 3. decimal 4. frame
5. binary number 6. internet 7. packet 8. bandwidth EX4
1. forwarded 2. reassembled
3. are encapsulated 4. cable 5. bursty 6. submit
7. are retransmitted 8. protocol EX5
1. IP address 2. notation
3. dotted-decimal 4. computer network 5. background 6. shared 7. geographic 8. privacy
Exercise to the Passage for Reading EX6
1. 有意为维修技师使用所留
2. 被弃的、丢失的或损坏了的数据都进了数据桶。 3. 比大多数人怀疑的那样有更少的相同之处。 4. 只能由真正有特殊才能的人所打造的核心技术。 5. 程序和文件
6. （1）和拓展程序所能 （5）敏感信息的干涉者 7. 隐藏的特性和控制开发复杂性
8. （2）意在用权宜而不清晰的方式解决某一特别难以解决情形的聪明的编程窍门。