Computer Awareness Q&A for Competitive Examination – Part 8
176. What is the number of bit patterns provided by a 7-bit code?
1)256 (2) 128 (3)64 (4)512
5) All of these
177. Regarding a VDU, which statement is more correct?
1) It is an output device (2) It is an input device
3) It is a peripheral device (4) It is a hardware item
5) None of these
178. Which printer is very commonly used for desk top publishing?
1) Laser printer (2) Inkjet printer
3) Daisywheel printer (4) Dot matrix printer
5) None of these
179. In a computer system, which device is functionally opposite of a keyboard?
1) Mouse (2) Trackball
3) Printer (4) Joystick
5) All of these
180. Where as a computer mouse moves over the table surface, the trackball is
1) Stationary (2) Difficult to move
3) Dragged (4) Moved in small steps
5) All of these
181. Point out the odd item amongst the following.
1) Computer mouse (2) Touch pad
3) Light pen (4) Printer
5) All of these
182. What is meant by the term RAM?
1) Memory which only be read
2) Memory which both read and written
3) Memory which is used for permanent storage
4) Memory which can only be written
5) None of the above
183. Backing storage is sl named because it
1) is always kept at the back of the CPU
2) is slow and backward
3) backs up the computer’s main memory
4) lags behind the main memory
5) None of the above
184. The most economical way to process data is
1) Batch processing (2) Transaction processing
3) Distributed processing (4) Real time processing
5) All of these
185. Conversion of computer generated result into human acceptable form is a function of
1) CPU (2) Input interface
3) Output interface (4) RAM
5) None of these
186. The components of a computer system with the circuitry to control interpretation and execution of instructions is known as
l) ALU (2) memory (3) control (4) CPU (5) None of these
187. The computer as a machine and all other equipment associated with it, are termed as
1) Hardware (2) software
3) Firmware (4) human ware
5) None of these
188. The property that, when classes are arranged in a hierarchy, each class assumes the attributes and methods of its ancestors is
1) Generalization (2) Inheritance
3) Encapsulation (4) Information hiding
5) None of these
189. The software component of an expert system that draws conclusions is the
1) User interface (2) Database
3) Inference engine (4) I/O controller
5) None of these
190. The attributes and methods for each objects are stored in an
1) Object instance (2) Object connection
3) Assembly structure (4) Object repository
5) None of these
191. An E-R diagram is a graphic method of presenting
1) primary keys and their relationships
2) primary keys and their relationships to instances
3) entity classes and their relationships
4) entity classes and their relationships to primary keys
5) None of the above
192………… is an invalid type of database key.
1) Structured primary key (2) Atomic primary key
3) Primary key (4) Composite primary key
5) None of these
193. A processor that collects the transmissions from several communications media and send them over a single line that operates at a higher capacity is called
1) Multiplexor (2) Bridge
3) Hub (4) Router
5) None of these
194. Bandwidth refers to the
1) Cost of the cable required to implement a WAX
2) Cost of the cable required to implement a LAN
3) Account of information a peer-to-peer network can store
4) Account of information a communications medium can transfer in a given amount of time
5) None of the above
195…………. is a primary key of one file that also appears in another file.
1) Physical key (2) Primary key
3) Foreign key (4) Logical key
5) None of these
196. The technique that extends storage capacities of main memory beyond the actual size of the main memory is called
1) Multitasking (2) Virtual storage
3) Multiprocessing (4) Multiprogramming
5) None of these
197. Customers, facilities, knowledge workers, business information, communication infrastructure and computer equipment are all considerations in a good.. plan.
1) Hacker (2) Disaster recovery
3) Security (4) Risk management
5) None of these
198. Which of the following correctly defines the term E-Banking?
A. It is the short form of Efficient Banking which means providing all banking related services to the customers in minimum required time during their visit to the branch.
B. E-Banking is providing banking facilities to all the customers through ATMs only which restrict their
visits to a bank branch to a bare minimum.
C. E-Banking implies provisions of banking products and services through electronic delivery channels like ATMs, phone, internet, mobile phones, etc.
1) A only (2) B only
3) C only (4) A and B only
5) A and C only
199. SMTP, FTP and SNS are applications of the——- layer
1) Data link (2) Network
3) Transport (4) Application
5) None of these
200. In a database, information should be organized and accessed according to which of the following?
1) Physical position (2) Logical position
3) Data dictionary (4) Physical structure
5) None of these
Answers:
176. (2)
177. (3)
178. (1)
179. (3)
180. (3)
181. (4)
182. (2)
183. (3)
184. (1)
185. (3)
186. (4)
187. (1)
188. (2)
189. (3)
190. (4)
191. (3)
192. (1)
193. (1)
194. (4)
195. (3)
196. (2)
197. (4)
198. (3)
199. (4)
200. (2)
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