16 ఏప్రిల్, 2016

Information Technology Questions & Answers for Competitive Exams

information technology కోసం చిత్ర ఫలితం

1. When a computer is working on given instructions it is called?
a. Output
b. Storage
c. Processing
d. Input


2. Hexadecimal has a base value of?
a. 6
b. 8
c. 16
d. 18






3. Which of the following is NOT a function of the control unit?
a. Read instructions
b. Interpret instruction
c. Direct operation
d. Execute instructions


4. The unit of storage used to represent a character is?
a. Bit
b. Byte
c. Word
d. Kilobyte


5. Which of the following storage media provides sequential access only?
a. Floppy disk
b. Magnetic disk
c. Magnetic tape
d. Optical Disk


6. Which of the following storage media used laser technology to store data
a. Floppy disk
b. Magnetic tape
c. CD-ROM
d. Hard disk


7. The technology used to read pencil or pen marks on a multiple choice answer sheet
is?
a. OCR
b. OMR
c. POS
d. MICR






8. The MOST suitable device for the output of architectural drawing is a?
a. Plotter
b. Laser printer
c. Graphics tablet
d. Lightpen


9. Which of the following output is an example of a hardcopy?
a. An oral speech delivered by a speaker
b. A bill produced from the printer
c. The display on a monitor
d. A picture on a wall produced from a multimedia projector


10. The decimal equivalent of 000011112 is?
a. 8
b. 12
c. 15
d. 28





11. The BCD representation of (-15) is?
a. 100000011111
b. 101100101111
c. 000000011111
d. 101100010101


12. In modern computers, the CPU speed is measured in?
a. Kilohertz
b. gigabytes
c. kilobytes
d. gigahertz


13. Which of the following is not application software?
a. WordProcessor
b. Spreadsheets
c. Windows
d. SmartDraw


14. Which of the following is not a function of the operating system?
a. Control input/output operations.
b. Provides security
c. Perform calculation
d. Provide a friendly interface


15. An example of multitasking is?
a. Doing a background save while typing a document
b. Allowing many users to use the same program
c. Allowing one user to use one program
d. Operating one program by many users

16. Quality Developers is a company that writes programs to do specific jobs for other

companies. These programs are called?
a. General-purpose software
b. Special-purpose software
c. Custom-purpose software
d. Off-the-shelf software