Related Questions

Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.
A 3, 3, 1, 7
B 3, 2, 1, none
C 3, 2, 1, 7
D 3, 3, 2, none
E All of the above
Of 30 integers, 12 are in set A , 22 are in set A , 22 are in set B , and 7 are in both set A and B. How many of the integers in NITTHER set A nor set B?
A 4
B 1
C 3
I use my TV remote control to change channels, ....
A . to adjust the volume, and turning the set on and off
B . to adjust the volume, and to turn the set on and off
C . adjusting the volume, and to turn the set on and off
D . adjusting the volume, and turning the set on and off
Where have the program and data to be located before the ALU and control unit of a computer can operate on it?
A Internal memory
B Secondary memory
C Microprocessor
D Magnetic tapes
E None of the above
To insert a video, we use a video tag and set its src attribute to a local or remote URL containing a playable movie.
A True
B False
The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?
A Communicates its results
B Activates the output device
C Monitors the flow of information
D Control the printer
E None of the above
The valve used for very remote and accurate control of fluid is a __________ valve.
A Needle
B Globe
C Gate
D Butterfly
Remote control valve is a __________ valve.
A Gate
B Butterfly
C Needle
D Globe
Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects:
A Electric waves
B Sound waves
C Electromagnetic waves
D Wind waves
How many ALU(s) is/are control by one control unit is SIMD (single instruction stream, multiple data stream) architecture?
A one or more ALUs
B One ALU
C Only two ALU
D Impossible to say

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