Saturday 28 September 2013

Computer Awareness-48

1.     Buffer is device/storage area:
a.     Where data are temporarily stored
b.     Where data is permanently stored
c.      Where data error occurs
d.     All of the above
2.     A network geometric arrangement in which a single connecting line is shared by a number of nodes is called–
a.      Car Topology 
b.     Bus Topology
c.      Truck Topology 
d.     All of the above
3.     An error in a computer program is referred as–
a.     Bug 
b.     Bit
c.      Virus 
d.     All of the above

4.     Circuits that provide a communication path between two or more devices of a digital computer system is–
a.      Car 
b.     Bus
c.      Truck 
d.     All of the above
5.     A fixed number of adjacent bits that represent a particular character or symbol are referred as–
a.     Byte 
b.     Octal
c.      Bubble 
d.     All of the above
6.     Cache memory is a–
a.     Small buffer storage
b.     Permanent storage 
c.      Main memory
d.     All of the above 
7.     The total number of digits (symbols) available to represent numbers in a positional number system is referred as–
a.      Number system 
b.     Base
c.       Power 
d.     All of the above
8.     Cache memory is–
a.     Smaller and faster than main storage
b.     Bigger and slower than main storage
c.      Smaller but slower than main memory
d.     Bigger and faster than main memory
9.     Cache memory–
a.      Is a Static RAM
b.     Increases the speed of processing by making current programs and data available to the CPU at a rapid rate
c.      Both 1. and 2. are true .
d.     Both 1. and 2. are false
10. Following is false for BASIC–
a.      Beginners All-Purpose Symbolic Instruction Code
b.     High-level interactive programming language
c.      Works in time sharing environment
d.     Low level object oriented language
11. A unit for measuring data transmission speed that describes the capacity of a carrier is referred as–
a.     Baud 
b.     Bit
c.      Bond 
d.     All of the above
12. A process of trying out a new product by independent users before it is finally manufactured/developed–
a.      Alpha test 
b.     Beta Test
c.      Gamma test 
d.     All of the above
13. A selection, choice, or condition involving two possibilities is referred as–
a.      Unary 
b.     Binary
c.      Octal 
d.     All of the above
14. Base band System is–
a.      A networking system
b.     Where the channel support a single digital signal
c.      Both 1. and 2. are true
d.     All of the above 
15. One of the early coding systems, based on the idea of converting each digit of a decimal number into its binary equivalent rather than converting the entire decimal value into a pure binary form is–
a.      ASCII code 
b.     BCD
c.      ASCII-8
d.     All of the above
16. In Batch processing–
a.     Several computer programs runs one after another without human interaction to run each program individually
b.     Several computer programs runs one after another with human interaction to run each program individually 
c.      Selected computer programs runs one after another with human interaction to run each program individually
d.     All of the above 
17. BISYNC is–
a.      Binary synchronous
b.     A process of transmitting data
c.      A half-duplex, character oriented, synchronous data communication transmission method
d.     All of the above
18. A device that is used to transmit data from one location to another is referred as–
a.      Storage 
b.     Memory
c.      Carrier 
d.     All of the above
19. Programs developed by an outside supplier and provided to the user in a machine readable form is known as–
a.     Canned programs 
b.     Beta program
c.      Alpha program 
d.     All of the above
20.  A binary numbers are represented by–
a.     Digits 0 and 1 
b.     Digits 0, 1, ..., 8
c.      Digits AB, C,... 

d.     All of the above

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