Monday, 6 July 2015

Computers Knowledge

1. This machine can replace the mainframes very soon

a) Pentium


b) Workstations


c) Application servers


d) Power PC


2. What is the architecture that is used in PS/2 range of IBM computers?


a) ISA


b) EISA


c) MCA


d) Local Bus


3. MCA means.....


a) Main Computer Architecture


b) Micro Channel Architecture 


c) Micro Chip Architecture


d) Micro Computer Architecture


4. Compared to CISC processors, RISC processors contain


a) More transistor elements


b) Larger instruction set and less registers


c) Less registers and smaller instruction set


d) More registers and smaller instruction set



5. What is an application server?


a) Network node that stores applications


b) Software that allows interchange application


c) Multitasking operating system


d) Network server currently available for use with large client-server systems.


6. Choose the one which is coprocessor:


a) 80287


b) Graphic Accelerator


c) Video Graphics Array


d) Network adapter


7. Choose the one which is not necessary for a multimedia PC:


a) Video Card


b) Scanner


c) CD-ROM


d) All the above


8. 80386 SX processor from Intel has;


a) 16 bit address bus and 32 bit data bus


b) 16 bit address bus and 16 bit data bus


c) 16 bit address bus and 64 bit data bus


d) 8 bit data bus and 16 bit address bus


9. DIP switches are used to store system setup information in


a) PC/AT 286


b) PC/XT


c) PC/AT 386


d) Pentium


10. Power PC is the latest in the PC market, it is


a) A less power consumption PC


b) A microprocessor with Intel and Motorola compatible


c) The latest model microprocessor from Intel


d) A PC which can work both on Intel based (DOS and UNIX) and Apple operating systems.


11. What is data highway?


a) A road New York


b) A network of on-line database


c) A network into which subscriber machines can plug-in and communicate between one another


d) An integrated network of communication supporting data transfer, TV, cable, Telephone, Video Conferencing, Video on Demand and other communication services in one.


12. Choose the company that does not use Motorola chips in their computers:


a) APPLE


b) HEWLETT-PACKED


c) ATARI


d) COMPAQ


13. Till recently all processors produced were complex instruction set computing (CISC) processors. 


The important reason for this was:


a) Memory was costly and access times were large


b) All problems required complex instructions


c) Software technology was not advances to do without complex instructions


d) RISC processor technology was not available


14. When RISC processors are used, this is true:


a) Compilers are complex


b) Large number of processor instructions is used


c) Programs are more complicated than in CISC processors


d) RISC cannot be used in high performance machines like graphic workstations and network servers.


15. Choose the one which is not a property of RISC processor


a) Implements only instructions most used by programmers


b) Timing constraints are eased since circuitry is simplified


c) Complex operations are implemented by software


d) All of the above are properties



16. What do you understand by the term 'booting'?


a) Connecting the computer to the electric switch


b) Increasing the memory of the computer


c) The process of starting the computer from the power-off position


d) Making self ready to acquire skills in computer programming


17. What is the difference between 'cold booting' and 'warm booting’?


I) cold booting uses a floppy for booting while warm booting uses a hard disk for booting


II) Cold booting is starting the computer from the power-off position and warm booting is restarting the computer with CAD (control + Alt+ Delete) or reset button when it hangs


a) Only (I)


b) Only (II)


c) Either (I) or (II)


d) Both (I) and (II)


18. A bootable disk is;


a) A circular disk positioned in the hardware of the computer


b) A disk in the computer which can be frequently updated


c) A disk loaded with the information from the internet


d) A disk that contains all the System Files of DOS (Disk Operating System)


19. What does 'DOS' stand for?


a) Disk Operating System 


b) Dynamic Operating System


c) Default Operating System


d) Disk Originating System


20. What do you understand by the term ‘DOS’?


(i) The master control program of the computer which helps the computer to manage the files.


(ii) The program which helps the computer to check the various peripheral devices.


(iii) Downloading the System Program from the Internet


a) Only (i) and (iii)


b) Only (ii) and (iii)


c) All (i), (ii), (iii)


d) Only (i) and (ii) 


21. Which of the following are the functions of the DOS ?


(i) Controlling the input and output operations


(ii) Controlling the interaction between the user and the computer


(iii) Controlling the process of storing and organising different files.


a) Only (i) and (iii)


b) Only (ii) and (iii)


c) All (i), (ii) and (iii) 


d) Either (i) or (ii) or (iii)


22. The physical devices of a computer system (machinery and various individual pieces of equipment) are called as .......


a) Software


b) Hardware 


c) Film ware


d) Firmware


23. The correct definition of 'Hardware' is ;


(i) A group of machines that accepts data, processes it and displays the information


(ii) The speed of the machine to process the data


a) Both (i) and (ii)


b) Neither (i) nor (ii)


c) Either (i) or (ii)


d) Only (i) 


24. Which of the following exactly conveys the meaning of the term ‘Software’?


a) The total set of programs that enable the computer system to process data


b) The stored programmed devices associated with the CPU


c) A floppy having low storage capacity


d) The information available on the disk that enables the computer system to offer a variety of application areas.


25. How is Software classified?


(i) Application Software - Also known as Application Package, is a set of programs designed to manipulate input data and provide users with meaningful output information.


(ii) System Software - Also known as Systems Package, is a set of programs designed to monitor and Supervise the overall operations of the computer system.


a) Only (i)


b) Only (ii)


c) Both (i) and (ii) 


d) Either (i) or (ii)


26. What does C.P.U. stand for?


a) Central Peripheral Unit


b) Central Protecting Unit


c) Central Process Unit


d) Central Processing Unit 


27. The C.P.U consists of;


(i) Control Unit


(ii) Arithmetic Logic Unit


(iii) Memory


a) Only (i) and (ii)


b) Only (ii) and (iii)


c) All (i), (ii) and (iii) 


d) Either (i) or (ii)


28. The logical and mathematical operations are performed by......


a) Input Unit


b) Arithmetic Logic Unit 


c) CPU


d) Control Unit


29. Which of the following options convey’s the primary role of the Control Unit?


(i) Execute commands typed by the keyboard or stored in the software


(ii) Coordinate and supervise other units of the computer including peripheral units


a) Only (i)


b) Only (ii)


c) Either (i) or (ii)


d) Both (i) and (ii) 


30. Which part of the computer is known as the "heart of the computer"?


a) Keyboard


b) CPU 


c) Monitor


d) Printer





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