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1) Central Processing Unit is combination of ..... A. Control and Storage Unit B. Control and Output Unit C. Arithmetic Logic and Input Unit D. Arithmetic Logic and Control Unit 2) The octal equivalent of 111010 is ...... A. 81 B. 72 C. 71 D. None of the above 3) Programs designed to perform specific tasks is known as .... A. System Software B. Application Software C. Utility Software D. Operating Software 4) Analog Computer works on the supply of A. Continuous electrical pulses B. Electrical pulses but not continuous C. Magnetic strength D. None of the above 5) Time during which a job is processed by a the computer is .... A. Delay times B. Real time C. Execution time D. Down time 6) Which of the following chips can be reprogrammed with special electric pulses? A. EPROM B. PROM C. ROM D. EEPROM 7) Hexadecimal number system have ... A. One stable stage B. Two stable state C. Eight Stable state D. Sixteen Stable state 8) The mostly commonly used standard data code to represent alphabeti

1) Different components on the motherboard of a PC unit are linked together by sets of parallel electrical conducting lines. What are these lines called? A. Conductor's B. Buses C. Connectors D. Consecutively 2) The ARPANET helped to develop protocol called ..... A. TCP/IP B. POPA C. ARP D. None 3) The ALU of central processing unit does the essential math work for the computer. What does the control unit do ..... A. Communicate its results B. Activates the output device C. Monitors the flow of information D. Control the printer 4) The language that the computer can understand and execute is called .... A. Machine language B. Application software C. System program D. All of the above 5) Boot virus affects the ......... of the program of a system. A. Boot recorded program B. Booting computer C. Boot halted D. None 6) Which of the following is not characteristic of a relational database model? A. Tables B. Treelike Structure C. Complex logical relationships D. Records 7) Who desi

1) A computer Programmer ........ A. does all the thinking for a computer B. can enter input data quickly C. can operate all types of computer equipment D. can draws only flowchart. 2) The first calculating device is .......... A. Slide rule B. Mark I C. Pascaline D. Abacus 3) A printed circuit board that adds additional capabilities and functions to a computer's hardware is .... A. Expansion Board B. Mother Board C. Integrated circuit D. Extended Board 4) The difference between memory and storage is that memory is ..... and storage is ...... A. Temporary, permanent B. Permanent, temporary C. Slow, fast D. All of the above 5) Fifth generation computers will have .... A. Ordinary Intelligence B. Common Intelligence C. Natural Intelligence D. Artificial Intelligence 6) Which of the following can be used to control the movement of a cursor on a video screen? A. Mouse B. OCR C. Card Punch D. Joystick 7) Which was the computer conceive by Babbage? A. Analytical engine B. Arithmetic mach

1) In a/an ........... of DNS resolver, instead of supplying a name and asking for an IP address, the DNS client provides the IP address and requests the corresponding host name. A. Recursive queries B. Iterative queries C. Reverse queries D. Inverse queries 2) For each resolved query, the DNS resolver caches the returned information for a time that is specified in each resource record in the DNS response. This is known as ......... A. Positive caching B. Time To Live C. Negative Caching D. Reverse Caching 3) As originally defined in RFC 1134, .............. negative caching is the caching of failed name resolutions. A. Positive caching B. Time To Live C. Negative Caching D. Round Robin Load Balancing 4) ............... can reduce response times for names that DNS cannot resolve for both the DNS client and DNS servers during an iterative query process. A. Positive caching B. Time To Live C. Negative Caching D. Round Robin Load Balancing 5) The amount of time in seconds to cache the rec

1) In MIME header field, ............. is a world unique value identifying the content of this part of this message. A. content-type B. content-transfer-encoding C. content-description D. content-id 2) The Post Office Protocol, version 3, is a standard protocol with STD number 53 and it is described in ..... A. RFC 1939 B. RFC 0937 C. RFC 2821 D. RFC 2822 3) .............. is an electronic mail protocol with both client and server functions. A. SMTP B. MIME C. POP D. TCP 4) In authentication state of POP3 server, ............ is used to specify a mechanism by which both authentication and data protection can be provided. A. USER B. PASS C. APOP D. AUTH 5) In transaction state of POP3 commands, .......... retrieve the number of messages and total size of the messages. A. STAT B. LIST C. RETR D. DELE 6) A MIME compliant message must contain a header field with the ........ verbatim text. A. MIME-version:1.0 B. MIME-version:1.1 C. MIME-version:2.0 D. MIME-version:2.1 7) In ......... name

1) Which of the following is/are the important applications of application layer? A. Electronic mail B. World Wide Web C. USENET D. All of the above 2) The TCP/IP ............. corresponds to the combined session, presentation, and application layers of the OSI model. A. session layer B. presentation layer C. application layer D. None of the above 3) The .......... protocol is based on end-to-end delivery. A. SMTP B. TCP C. IP D. SCTP 4) The well-known port of SMTP server is ........ A. 110 B. 25 C. 50 D. 20 5) In SMTP header field, ............. is a summary of the message being sent which is specified by the sender. A. Reply-to B. Return-path C. Subject D. From 6) In SMTP herder field, .......... is added by the final transport system that deilvers the mail. A. Reply-to B. Return-path C. Subject D. From 7) In SMTP mail transaction flow, the sender SMTP establishes a TCP connection with the destination SMTP and then waits for the server to send a .......... A. 220 service ready messag

                     1) The .......... is responsible for end to end delivery, segmentation and concatenation. A. Physical layer B. Data Link layer C. Network layer D. Transport layer 2) .......... needs ports or service access points. A. Physical layer B. Data Link layer C. Network layer D. Transport layer 3) The task of ............... is to provide reliable, cost effective transport of data from source machine to destination machine. A. Network Layer B. Transport Layer C. Presentation Layer D. Application Layer 4) The hardware and/or software within the transport layer which does the work of making use of the services provided by the network layer is called as ......... A. transport media B. transport device C. transport entity D. network transporter 5) .......... measures the number of bytes of user data transferred per second, measured over some time interval. It is measured separately for each direction. A. Throughput B. Transit delay C. Protection D. Resilience 6) ............