2012-2013 Fall Semester Final Exam Fundamentals of Computers Name: Student ID: Date:Jan.4th,2013 This final exam contains two parts:Single choice and design. Single choice:[20 points] The single choice part contains 10 questions,please fill the answers into table 1 1.which of the following description is wrong?( A.CPU mainly consists of arithmetic unit,control unit and registers. B.When the computeris powered off,data in the RAM will disappear. C.CPUcan directly access data savedon the hardware. D.The collection of computer commands is the program. 2.The basicunitfor memory in computeris( A.Character B.Byte C.Bit D.Sector 3.BIOS program is saved in the ROM,its main use is( A.Improve the dataaccess speed of ROM B.Speed upthe computationof CPU. C.Protect the software of the computer D.When the computeris powered on,check the hardware and load the operating system. 4.The decimal number92 can be respectively converted to binary and hexadecimal numbers as() A.01011100and5CB.01101100and61C.10101011and5DD.01011000and4F 5.Assume 10110100is the two's complement representation,what is the corresponding dedmal number of it( A.-76B.76 C.-70D.-74 6.If the expression"=C3+SD5"in cell B3 is copied to the cell D7,the expression will be changed as A.=C3+SD5 B.=D7+SE9 C.=E7+SD9 D.=E74D5 7.Computers which are connectedto Internetshouldinstall the protocol ( 2012-2013 Fall Semester Final Exam Fundamentals of Computers Name: Student ID: Date: Jan. 4 th, 2013 This final exam contains two parts: Single choice and design. Single choice: [20 points] The single choice part contains 10 questions, please fill the answers into table 1. 1. which of the following description is wrong? ( ) A. CPU mainly consists of arithmetic unit, control unit and registers. B. When the computer is powered off, data in the RAM will disappear. C. CPU can directly access data saved on the hardware. D. The collection of computer commands is the program. 2. The basic unit for memory in computer is ( ) A. Character B. Byte C. Bit D. Sector 3. BIOS program is saved in the ROM, its main use is ( ) A. Improve the data access speed of ROM. B. Speed up the computation of CPU. C. Protect the software of the computer. D. When the computer is powered on, check the hardware and load the operating system. 4. The decimal number 92 can be respectively converted to binary and hexadecimal numbers as ( ) A. 01011100 and 5C B. 01101100 and 61 C. 10101011 and 5D D. 01011000 and 4F 5. Assume 10110100 is the two's complement representation, what is the corresponding decimal number of it ( ) A. -76 B. 76 C. -70 D. -74 6. If the expression "=C3+$D5" in cell B3 is copied to the cell D7, the expression will be changed as ( ) A. =C3+$D5 B. =D7+$E9 C. =E7+$D9 D. =E7+$D5 7. Computers which are connected to Internet should install the protocol ( )