Sunday, October 6, 2013

Practice set 2

COMPUTER Awareness


1.          Compact discs, (according to the original CD specifications) hold how many minutes of music?
(1) 74 mins                                (2) 56 mins
(3) 60 mins                                (4) 90 mins
(5) None of above
2.          The sampling rate, ( how many samples per second are stored) for a Cd is …. ?
(1) 48.4 KHz                              (2) 22.050 Hz
(3) 44.1 KHz                              (4) 48 KHz
(5) None of above
3.          ‘MPG’ extension refers usually to what kind of file?
(1) Word Perfect Document File
(2) MS Office Document    
(3) Animation/movie file
(4) Image File                           (5) None of above
4.          ‘INI’ extension refers usually to what kind of file?
(1) Image File                           (2) System file
(3) Hypertext Related File
(4) Image Color Matching Profile File
(5) None of t above
5.          A technique used by codes to convert an analog signal into a digital bit stream is known as
(1) Pulse code modulation                 (2) Pulse stretcher
(3) Query processing            (4) Queue management
(5) None of the above
6.          An optical input device that interprets pencil marks on paper media is
(1) O.M.R                                  (2) Punch card reader
(3) Optical scanners              (4) Magnetic tape
(5) None of the above
7.          Most important advantage of an IC is its
(1) Easy replacement in case of circuit failure
(2) Extremely high reliability
(3) Reduced cost   
(4) Low power consumption
(5) None of the above
8.          Which language was devised by Dr. Seymour Cray?
(1) APL                                        (2) COBOL
(3) LOGO                                   (4) FORTRAN
(5) None of the above
9.          A program that converts computer data into some code system other than the normal one is known as
(1) Encoder                               (2) Simulation
(3) Emulator                             (4) Coding
(5) None of the above
10.      A device designed to read information encoded into a small plastic card is
(1) Magnetic tape                  (2) Badge reader
(3) Tape puncher                   (4) Card puncher
(5) None of the above
11.      A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
(1) Modulator                          (2) Demodulator
(3) Modem                               (4) Decoder
(5) None of the above
12.      A group of magnetic tapes, videos or terminals usually under the control of one master is
(1) Cylinder                               (2) Cluster
(3) Surface                                                (4) Track
(5) None of the above
13.      Symbolic languages were developed in
(1) 1962                                      (2) 1950
(3)1974                                       (4)1980
(5) None of the above
14.      Which network is a packet switching network?
(1) Ring network                    (2) LAN
(3) Star network                     (4) EuroNET
(5) None of the above
15.      The organization and interconnection of the various components of a computer system is
(1) Architecture                      (2) Networks
(3) Graphics                              (4) Designing
(5) None of the above
16.      Which of the following is the coding of data so that is can't be easily understood if intercepted.
(1) Barcode                               (2) Decoder
(3) Encryption                          (4) Mnemonics
(5) None of the above
17.      RAM is used as a short memory because it is
(1) Volatile                                                (2) Has small capacity
(3) Is very expensive            (4) Is programmable
(5) None of the above
18.      A modern electronic computer is a machine that is meant for
(1) Doing quick mathematical calculations
(2) Input storage, manipulation of outputting of data
(3) Electronic data processing
(4) Performing repetitive tasks accurately
(5) None of the above
19.      Which is a device that changes information into digital form?
(1) Modem                               (2) Digitizer
(3) Mouse                                 (4) Light pen
(5) None of the above
20.      A memory that does not change its contents without external causes is known as
(1) Dynamic memory            (2) Static memory
(3) RAM                                     (4) EEPROM
(5) None of the above
21.      The report card and merit list forms the
(1) Output data                       (2) Data processing
(3) Central Processing          (4) Input data
(5) None of the above
22.      A number which is stored and processed but not in the standard exponential form is called
(1) Floating point number
(2) Fixed point number       (3) Octal number
(4) Decimal number              (5) None of the above
23.      A memory that holds micro program is-
(1) Ciore memory                  (2) ROM
(3) RAM                                     (4) Control memory
(5) None of these
24.      A device invented by Dr. Bobeck in 1966, for mass storage of data is-
(1) Punched Paper Tape    
(2) Magnetic Bubble Storage
(3) Magnetic Tape                 (4) Magnetic Disk
(5) None of these
25.      Computer memory consists of-
(1) RAM                                     (2) ROM
(3) PROM                                  (4) All of the above
(5) None of these
26.      A path by which communicaton is achieved between a control processor and other device is called.
(1) Audit trial                            (2) Network
(3) Bus                                        (4) Channe
(5) None of these
27.      A standalone system which produces oen page of printed output at a time is-
(1) Page Printer                      (2) Line Printer
(3) Laser Printer                      (4) Dot Matrix Printer
(5) None of these
28.      Compilers and interpretors are themselves-
(1) High-level language        (2) Codes
(3) Programs                            (4) Mnemonics
(5) None of the above
29.      A notation used to express clearly on algorithm is known as-
(1) Algorithmic language     (2) Assembly language
(3) Machine language          (4) High-level language
(5) None of these
30.      A compiler means –
(1) A person who compiles source program
(2) The same thing as a programmer
(3) Keypunch operator
(4) A program which translates source program into object program
(5) None of the above
31.      Compression of digital data for efficient storage is-
(1) Buffer                                  (2) CPU
(3) Packing                                                (4) Field
(5) None of these
32.      A modern digital computer has-
(1) Extremely high speed   (2) Large memrory
(3) Almost unlimited array (4) all of these
(5) None of these
33.      Which of the following can store information in the form of microsoft pits on metal disks?
(1) Laser disks                          (2) Tape Cassetes
(3) RAN Cartridge                   (4) Punched Cards
(5) None of these
34.      A device for converting hand written impression into coded character & positional coordinates for input to a computer is-
(1) Touch Panel                       (2) Mouse
(3) Wand                                   (4) Writing tablet
(5) None of these
35.      A Storatge system for small amounts of data is-
(1) Magnetic Card                  (2) Magnetic Tape
(3) Punched Card                   (4) Optical mark reader
(5) None of these
36.      Which is another name for functional language?
(1) Machine                              (2) Application language
(3) Low-level language        (4) High-level language
(5) None of these
37.      A language which is close to that used within the computer is-
(1) High-Level Language      (2) Assembly Language
(3) Low-Level Language      (4) All of these
(5) None of these
38.      Which of the following is storing large amounts of data outside the main memory?
(1) Secondary Storage         (2) Auxilliary Storage
(3) Memory                              (4) All of these
(5) None of these
39.      Which is a unit representing the no bits of discrete-
(1) Baud                                     (2) Byte
(3) Bit                                          (4) All of these
(5) None of these
40.      The personnel who deals with the computer and its management put together are called-
(1) Software                             (2) Humanware
(3) Firmware                            (4) H/W
(5) None of these
41.      Codes consisting of light and dark marks which may be optically read is known as-
(1) Mnemonics                       (2) Bar Code
(3) Decoder                              (4) All of these
(5) None of these
42.      A type of channel used to connect a central processor and peripherals which uses multipling is known as-
(1) Modem                               (2) Network
(3) Multiplexer                        (4) All of these
(5) None of these
43.      The first generation of computers available was based on the bit micro processors.
(1) 4                                             (2) 8
(3) 16                                           (4) 64
(5) None of these
44.      The complete picture of data stored in database is known as-
(1) Record                                 (2) Scheme
(3) System flow Chart          (4) DBMS
(5) None of these
45.      From what location are the 1st computer instructions available on boot up?
(1) ROM BIOS                          (2) CPU
(3) boot.ini                                                (4) CONFIG.SYS
(5) None of these
46.      What could cause a fixed disk error?
(1) No-CD installed                                (2) bad RAM
(3) Slow Processor                
(4) Internet CMOS  Settings
(5) None of these
47.      A hard disk is divided into tracks which are further subdivided into-
(1) Cluster                                 (2) Sectors
(3) Vectors                                                (4) Heads
(5) None of these
48.      Most PC give a single beep on bootup to indicate they are OK hardware wise. You boot your PC and don’t get a beep. What should you check first?
(1) System board                   (2) RAM
(3) Microprocessor                                (4) Power Supply
(5) Speaker
49.      The mouse pointer moves eratically, wht is the possible cause? The mouse
(1) ball is dirty                          (2) is not connected
(3) driver is not installed properly
(4) has an incorrect IRQ setting
(5) None of these
50.      A report generator is used to-
(1) update files                       (2) print files on paper
(3) data entry                          (4) All of these
(5) None of these








ANSWERSHEET COMPUTER (SET-3)
Qns.
Ans.
Qns.
Ans.
Qns.
Ans.
Qns.
Ans.
Qns.
Ans.
1.
1
11.
3
21.
1
31.
3
41.
2
2.
3
12.
2
22.
2
32.
4
42.
3
3.
3
13.
2
23.
2
33.
1
43.
2
4.
2
14.
4
24.
2
34.
4
44.
2
5.
1
15.
1
25.
3
35.
1
45.
1
6.
1
16.
3
26.
3
36.
2
46.
4
7.
2
17.
1
27.
1
37.
3
47.
2
8.
3
18.
2
28.
3
38.
2
48.
5
9.
1
19.
2
29.
1
39.
1
49.
1
10.
2
20.
2
30.
4
40.
2
50.
2


2 comments:

  1. dear sir, i don't understand that you publish PRACTICE SET 2 and you given answer sheet of PRACTICE SET 3 below so what is that.

    ReplyDelete