General Computer Test - 15

 

1. SITE stands for

(a)    Satellite Instructional Technology and Engineering

(b)    State Institute of Teacher Education

(c)     Satellite Instructional Television Experiment

(d)    State Institute of Technology and Engineering

(e)    None of these

Ans : (c)

2. Cloud computing means

(a)    Computing using the satellite

(b)    Computing using cloud chamber technology

(c)     Computing which results in errors

(d)    Shifting computing power from offline PCs and Laptops onto the Web

(e)    None of these

Ans : (d)

3. The ‘C’ language is

(a)    Context free language

(b)    Context sensitive language

(c)     Regular language

(d)    Assembly language

(e)    None of these

Ans : (a)

4. What is the size of the Unicode character in Windows Operating System?

(a)    8-bits

(b)    16-bits

(c)     32-bits

(d)    64-bits

(e)    None of these

Ans : (c)

5. Data Encryption Techniques are particularly used for             

(a)    protecting data in Data Communication System.

(b)    reduce Storage Space Requirement

(c)     enhances Data Integrity.

(d)    decreases Data Integrity

(e)    None of these

Ans : (a)

6. _        is an “umbrella” activity that is applied throughout the software engineering process.

(a)    Debugging

(b)    Testing

(c)     Designing

(d)    Software Quality Assurance

(e)    None of these

Ans : (d)

7. Use of icons and windows are characteristic of a  interface

(a)    command-driven

(b)    windows-oriented

(c)     graphical-user

(d)    menu-driven

(e)    None of these

Ans : (c)

8. The essential difference between an operating system like Linux and one like Windows is that

(a)    Windows can run with an Intel processor, whereas Linux cannot

(b)    Linux is proprietary, whereas Windows is not

(c)     Any programmer can modify Linux code, which is not permitted with Windows

(d)    there are multiple versions of Linux, but only one version of Windows

(e)    None of these

Ans : (c)

9. The category of operating system that you most likely have running on your PDA computer is operating system

(a)    real-time

(b)    single-user, single-task

(c)     single-user, multi-task

(d)    multi-user, multi-task

(e)    None of these

Ans : (b)

10. The barcode which is used on all types of items, is ready by a scanning device directly into the computer. What is the name of this scanning device?

(a)    Laser Scanner

(b)    Wand

(c)     OCR

(d)    MICR

(e)    None of these

Ans : (a)

11. Which of the following is not a method to preserve the security and integrity of information?

(a)    Antivirus software

(b)    Firewall

(c)     Phishing

(d)    Disk Encryption

(e)    Backup

Ans : (c)

12. In computer science, by information we mean

(a)    Any output coming out from computer

(b)    Processed data put in an intelligent form

(c)     A report printed by the computer

(d)    Plural of data

(e)    None of these

Ans : (b)

13. Which of the following features distinguishes a database file from a mere collection of data

(a)    Database enables data to be organized for effective use much faster

(b)    It organizes data in rows and columns

(c)     It gives reference name to each file created

(d)    It provides search facility

(e)    None of these

Ans : (a)

14. Who coordinates the sequencing of events within the central processor of a computer?

(a)    Logic unit

(b)    Arithmetic unit

(c)     Register

(d)    Control Unit

(e)    None of these

Ans : (d)

15. The microprocessor of a computer cannot operate on any information if that information is not in its

(a)    secondary storage

(b)    main storage

(c)     ALU

(d)    Logic unit

(e)    None of these

Ans : (b)

16. Where have the program and data to be located before the ALU and control unit of a computer can operate on it?

(a)    Internal memory

(b)    Secondary memory

(c)     Microprocessor

(d)    Magnetic tapes

(e)    None of these

Ans : (a)

17. The only things moving around inside a computer are

(a)    Is and Os

(b)    electrons

(c)     bytes

(d)    proton

(e)    None of these

Ans : (b)

18.The  data between the computer and peripherals always passes via in input/output

(a)    port

(b)    A/D converter

(c)     D/A converter

(d)    buffer memory

(e)    None of these

Ans : (a)

19. Preparing a magnetic disk for data storage is called

(a)    booting

(b)    formatting

(c)     debugging

(d)    commissioning

(e)    None of these

Ans : (b)

20. How many full adders are needed to add two 4-bit numbers with a parallel adder?

(a)    8

(b)    4

(c)     2

(d)    16

(e)    None of these

Ans : (b)

21. If you see a diskette with a piece of foil covering its notch, it is said to be

(a)    write-protected

(b)    copy-protected

(c)     write-enabled

(d)    foil-covered

(e)    None of these

Ans : (a)

22. What is the name of the screen symbol that shows the placement of the next character?

(a)    Mouse

(b)    Cursor

(c)     Track ball

(d)    Graphic tablet

(e)    None of these

Ans : (b)

23. Point out the odd item amongst the following

(a)    computer mouse

(b)    touchpad

(c)     light pen

(d)    printer

(e)    None of these

Ans : (d)

24. The very small and cheap computer built into many home devices is called computer.

(a)    Main frame

(b)    Mini

(c)     Micro

(d)    Super

(e)    None of these

Ans : (c)

25. In comparison to the internal (main) memory, tape or disk memory is

(a)    slower and more expensive

(b)    slower and less expensive

(c)     faster and more expensive

(d)    faster and less expensive

(e)    None of these

Ans : (b)