Đề thi lý thuyết 3 môn Computer Fundamentals

**Admin** Mon Aug 23, 2010 9:42 pm

Code:: *Referred to DNS, Which three of following statements are TRUE? (choose all correct answers) a, DNS is a short form for Domain Name Service. b, DNS is a method or an Internet service, which translates an IP address such as 198.86.40.81 into equivalent mnemonic form such [You must be registered and logged in to see this link.] b, Domain name are used to identify individual servers on the internet, as well as network devices such as modems. d, DNS is a short form for Domain Name System. *Shared permissions can be applied to____________ a,NONE OF THOSE b,Both FAT and NTFS partitions c,Only NTFS partitions d,Only FAT partitions *The result of the multiplication of binary numbers 11010 and 1011 is a,100010110 b,110011110 c,100011110 d,NONE OF THOSE *Which of the following statement is TRUE while logging on to Windows 2000? A,None of them is case sensitive. B,The user name is not case sensitive. C,Both name and password is case sensitive. D,The password is not case sensitive *In Windows 2000, the system partition must be located in the active primary partition of the first hard disk. In Windows 2000, the system partition must be located in the active A,NONE OF THOSE B,Characters. C,0s and 1s. D,0-9 digits. *The octal equivalent of the binary number 10001010101 is A,2125 B,2156 C,2135 D,NONE OF THOSE *With reference to code standards, which three of the following statements are TRUE ? (choose all correct answers) A,The ASCII codes can represent upto 256 characters including special and non-printable characters. b,The ASCII code uses 7 digits per character. c,The EBCDIC code uses 8 digits per character. d,Characters can be transformed from ASCII to EBCDIC and vice-versa using electronic circuits. * Which of the following statements are NOT TRUE about single user operating system?( choose all correct answers) A, Each program is given a fixed slice of the processors time B, MS-DOS is a single user operating system which acts as a client in networking environment C, It supports 2 processors D, Only one user can interact with it at a time E, Supports one CPU and one set of I/O devices 1, Shared permissions can be applied to ________ A,None of those B, Both FAT and NTFS partitions C, Only NTFS partitions D, Only FAT partitions 2, The result of the multiplication of binary numbers 11010 and 1011 is A, 100010110 B, 110011110 C, 100011110 d, none of those 3, which of the following statement is TRUE while logging on to Windows 2000? A, none of them is case sensitive B, The user name is not case sensitive C, both name and password is case sensitive D,The password is not case sensitive 4, In windows 2000, the system partition must be located in the active primary partition of the first hard disk A, false B, True 5, Every character in the computer is represented by a string of( choose one) A, none of those B, characters C, 0s and 1s D,0-9 digits 6, The octal equivalent of the binary number 10001010101 is A, 2125 B,2156 C,2135 D, none of those 7, with reference to code standards, which three of the following statements are TRUE? A, The ASCII codes can represent upto 256 characters including special and non-printable characters B, the ASCII code uses 7 digits per character C, The EBCDIC code uses 8 digits per character D, Characters can be transformed from ASCII to EBCDIC and vice-versa using electronic circuits 8, which of the following statements are NOT TRUE about sigle user operating system? (all) A, Each program is given a fixed sclice of the processors time. ( da ng dung) B, MS-DOS is a single user operating systems which acts as a client in networking environment C,It supports 2 processors D, Only one user can interact with it at a time E, Supports one CPU and one set of I/O devices 9, With reference to hard disks which three of the following statements are NOT TRUE ? A, Certain control data is recorded at the start and end of each sector B, Access time is t he time taken by the read write head to reach the specified cylinder C, In a fixed head disk there is one read write head per track D, During a read/write operation the platter is stationary and the head rotates E, The vacuumed container, which protects the set of platters in a disk pack, is called a spindle 10, RS-232 refers to which two of the following? A, Centronics ports B, None of those C, Mouse ports D, Parallel port E, Electronic Industry Standard 11, The inherent benefits of a computerised system are: (loi ich) A, Records are maintained at a faster rate B, Errors due to manual calculation are eliminated C, All details are available at one place D, Data entry is reduced to nil E, Repetitive calculations have to be done by the system 12, Programs used to prevent virus are called ( phong tranh) A, Anti-virus programs B, Vaccines ( remove) C,none of those 13, Advantages of a workgroup include A, Efficient on a large network B, Convenient for a limited number of users C, Easy to share resources D, Centralised management E, Simple design makes it easy to implement 14, Which three of the following statements are NOT TRUE? A, In the binary number system the value of the digit to the left will become twice its predecessor B,One character is srored in one byte C, The number 35.795 cannot be represented in binary form D, The ASCII code uses 8 bits to represent a sigle character E, Character K is represented by 45 in ASCII code 15, The two advantages of domain model over workgroup model are A, Sharing of resources is easy B, Security manage C, Convenient for limited number of users D, Cantralised administration is possible 16, Why is protocol used? A, To establist communication between computers B, To connect different computers C, To share the resource on the network 17, The four responsibilities of a network administrator are: A, Managing network B, Organizing network resource C, Documentation D, Coding some system software E, Setting network 18, Which three of the following statements with reference to RAM are TRUE? A, RAM dose not permit the user to write data on it B, The contents of RAM are lost when power supply is switched off C, RAM chips are classified as Dynamic and Static D, RAM is a non-volatile storage device E, RAM is essentially a read/write memory 20, The hardware unit which performs arithmetic and logical operations, controls processing and coordinates input, output and storage activities is A, none of those B, Processor C, Operating system D, Hard disk 21, The hexadecimal equivalent of binary number 0101110111101 is A, none of those B, ABC C, 111113 D,ACD E, ABD 22, A translator that translates a statement of high-level language to machine language and immediately executes it is A, none of those B, Compiler C, Assembler D, Interpreter E, Translator 23, The result of the multiplication of binary numbers 1011 and 111 is A, none of those B,1101101 C, 1001101 D, 1100110 24, The binary equivalent of the decimal number 378 is A, 101110011 B, 101111010 C, 101111011 D, none of those 25, the codes defined to convey information like end-of-file, end-of-page,ect. To the computer are called__________. A, ASCII code B, Character codes C, binary code D, symbolic codes E, non-printable control characters 26, Type of profile( ho` so) A, Local profile B, Roaming profile C, Global profile D, Normal profile E, Default profile (mac dinh) 27, Which of the following statements with reference to parallel port are TRUE? A, It requires relatively high bandwidth ( bang thong)) B, It is general-purpose device that can be used to connect any device like mouse, modem or printer. C, it is used for transmitting one bit at a time ( cho serial port) D, It is used for connecting the external devices (ngoai`) 28, The disadvantages of workgroup model over domain model are: A, Security management is not centralised B, Cantralised administration is impossible( không thể) C, Convenient for limited number of users D, sharing of resources is easy 29, Choose the correct representation for data used during data process in CPU A, Hexadecimal B, octal C, Binary D, Decimal 30, The tool used for writing the set of instructions is called A, none of those B, programming language C, Program D, Software E, key board

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