Monday 16 March 2015

Science and technology SECTION D

1.  The main job of a CPU is to
 
(a)    Carry out program instructions
(b)   Store data/ information for future use
(c)    Process data and information
(d)   Both ‘a’ and ‘c’
                            2. All the logic and mathematical calculations one by the computer happen/in / on the

(a)    System board
(b)   Central control unit
(c)    Central processing unit
(d)   Mother board

                        3. the most powerful computer is

(A)   Supercomputer
(B)   Micro computer
(C)   Mini computer
(D)   All of these
                        4. Is a windows utility program that locates and eliminates unnecessary fragments and rearranges files and unused disk space to optimize operations?

(a)    Backup
(b)   Disk cleanup
(c)    Disk defragmenter
(d)   Restore
(e)   Disk restore

                      5.  Which type of computer could be found in a digital watch?

(a)    Mainframe
(b)   Supercomputer
(c)    Embedded computer
(d)   Notebook computer

    6. The first computer was programmed using

(a)    Assembly language
(b)   Machine language
(c)    Sphagetti code
(d)   Source code

7.  Which device uses a handheld operating system?

(a)    APDA
(b)   A personal computer
(c)    A laptop
(d)   A mainframe

                     8. Which of following groups have only input devices?

(a)    Mouse, keyboard, Monitor
(b)   Mouse, keyboard, Printer
(c)    Mouse , keyboard, plotter
(d)   Mouse, keyboard , scanner

                 9.  Ctrl, shift and Alt and called …. Keys.

(a)    Modifier
(b)   Function
(c)    Alphanumeric
(d)   Adjustment

10.  OCR stands for

(a)    Optical Character Recognition
(b)   Optical CPU Recognition
(c)    Optimal Character Rendering
(d)   Other Character Restoration

Answer:

1.       D
2.       C
3.       A
4.       C
5.       C
6.       B
7.       A
8.       D
9.       A
10.   A

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