801. The CPU, after receiving an interrupt from an I/O device
A. halts for a predetermined time
B. hands over control of address bus and data bus to the interrupting device
C. branches off to the interrupt service routine immediately
D. branches off to the interrupt service routine after completion of the current instruction
E. None of the above

802. What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers?
A. 16
B. 9
C. 8
D. 4
E. None of the above

803. The receive equalizer reduces delay distortions using a
A. tapped delay lines
B. gearshift
C. descrambler
D. difference engine
E. None of the above

804. Four routers have to be interconnected in a point-to-point Network. Each pair of root us may connected by a high-speed line, a medium speed line or a low speed line. Find the total number of topologies.
A. 12
B. 81
C. 48
D. 729

805. A network consists of eight NT servers. You are planning to move servers to different segments of your network, what utility should be used at each server to determine which server generates the most traffic?
A. NBTSTAT
B. NETSTAT.EXE
C. Performance Monitor
D. Network Monitor
E. ARP.EXE

806. Sending a file from your personal computer’s primary memory or disk to another computer is called
A. uploading
B. downloading
C. logging on
D. hang on
E. None of the above

807. What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?
A. Memory resident package
B. Project management package
C. Data communication package
D. Electronic mail package
E. None of the above

808. The communication mode that supports two-way traffic but only one direction at a time is
A. simplex
B. duplex
C. half duplex
D. multiplex
E. None of the above

809. HMP (Host Monitoring Protocol) is:
A. a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
B. a TCP/IP high level protocol for transferring files from one machine to another.
C. a protocol used to monitor computers
D. a protocol that handles error and control messages
E. None of the above

810. Which of the following is a voiceband channel?
A. Telephone line
B. Telegraph line
C. Coaxial cable
D. Microwave systems
E. None of the above

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