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Hassan
1.The program execution time:
A. must be slower than the fastest mechanical operation that is to be controlled
B. will vary depending on the language used
C. cannot be changed once the program is written
D. must be slower than the fastest mechanical operation that is to be controlled
2.One advantage of a PC in industrial control is that it:
A. has a reliable long life compared to relay logic
B. is very difficult for the inexperienced programmer to understand
C. is unreliable because there are no moving parts
D. has a reliable long life compared to relay logic
3.An operating system:
A. is required to run a microprocessor system
B. provides a structure with which to develop application programs
C. is useful because standard modules can be used
D. is required to run a microprocessor system
4.When one must sell a project to management, the most important document he or she can produce is a:
A. method for financing the project
B. summary of the problem
C. project evaluation
D. method for financing the project
5.What is required to enable the PC to emulate a graphics terminal?
A. Software
B. A laser printer
C. A color monitor
D. Software
6.Which type of digitizer measures a wave traveling at the speed of sound?
A. Electrostatic
B. Sonic
C. Digitizing sr amer
D. Electrostatic
7.An encoder:
A. is used to send telegraph signals
B. converts an input to a binary number
C. converts a binary number to a decimal number.
D. is used to send telegraph signals
8.Operator interaction directly with the CRT is accomplished via:
A. a digitizing tablet
B. vector scanning
C. a stylus
D. a digitizing tablet
9.What two disciplines are usually tied by a common data base?
A. Documentation and geometric modeling
B. Computer-aided design and computer-aided manufacturing
C. Testing and analysis
D. Documentation and geometric modeling
10.Which of the following is a graphical output device?
A. Dot-matrix Printer
B. Plotter
C. Laser Printer
D. Dot-matrix Printer
11.A display of a volume model that shows all of its edges is called a:
A. surface model
B. 3-D model
C. wire-frame
D. surface model
12.A sequence controller:
A. is difficult to program
B. is a mechanical only controller
C. is no longer in widespread use
D. is difficult to program
13.Programmable controllers:
A. are programmed using relay ladder logic
B. cannot perform functions other than relay logic
C. are widely used in many different industries
D. are programmed using relay ladder logic
14.Which of the following are kinds of instructions?
A. Input
B. Arithmetic
C. Conditional branching
D. Input
15.What command is used to count the total number of lines, words, and characters contained in a file?
A. countw
B. wcount
C. wc
D. countw
16.What command is used to remove files?
A. dm
B. rm
C. delete
D. dm
17.What command is used to remove the directory?
A. rdir
B. remove
C. rd
D. rdir
18.What command is used with vi editor to delete a single character?
A. x
B. y
C. a
D. x
19.What hardware architectures are not supported by Red Hat?
A. SPARC
B. IBM-compatible
C. Alpha
D. SPARC
20.The physical layer of a network
A. constructs packets of data and sends them across the network
B. controls error detection and correction
C. defines the electrical characteristics of signals passed between the computer and communication devices
D. constructs packets of data and sends them across the network
21.What TCP/IP protocol is used for remote terminal connection service?
A. UDP
B. RARP
C. FTP
D. UDP
22.How many networks and nodes per network, are allowed by the Class B network?
A. 127 networks and 16,777,216 nodes per network
B. 16,384 networks and 65,534 nodes per network
C. 2,097,152 networks and 254 nodes per network
D. 127 networks and 16,777,216 nodes per network
23.What service is used to translate domain names to IP addresses?
A. NFS
B. SMB
C. NIS
D. NFS
24.Which of the following command is used to create a Linux installation boot floppy?
A. mkboot disk
B. bootfp disk
C. ww and rawwrite
D. mkboot disk
25.How can you add Amit, a new user, to your system?
A. Using useradd
B. Using adduser
C. Using linuxconf
D. Using useradd
26.What file specifies the order in which to use specified name services?
A. /etc/services
B. /etc/nsorder
C. /etc/nsswitch.conf
D. /etc/services
27.How many primary partitions can exist on one drive?
A. 16
B. 4
C. 2
D. 16
28.In which directory can you store system user default files used for creating user directories?
A. /usr/tmp
B. /etc/default
C. /etc/skel
D. /usr/tmp
29.How could you install the file ipchains-1.3.9-5.i386.rpm?
A. rpm -qip ipchains
B. rpm -Uvh ipchains
C. rpm -i ipchains* .i386.rpm
D. rpm -qip ipchains
30.What does FSF stand for?
A. Free Software File
B. File Server First
C. First Serve First
D. Free Software File
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