General Computer Test - 16

 

1. What is the main advantage of magnetic core memory over semiconductor RAM memory?

(a)    More compact and smaller

(b)    More economical

(c)     A bit does not have to write after reading

(d)    Non-volatile

(e)    None of these

Ans : (d)

2. Which of the following memories contains a thin film of magnetic material sandwitched between two permanent bias magnets?

(a)    ROM

(b)    Magnetic disk

(c)     Core memory

(d)    Bubble memory

(e)    None of these

Ans : (c)

3. The minimum time delay required between the initiation of two successive memory operations is known as

(a)    memory cycle time

(b)    memory access time

(c)     transmission time

(d)    waiting time

(e)    None of these

Ans : (a)

4. When the time to establish link is large and the size of data is small, the preferred mode of data transfer is

(a)    circuit switching

(b)    packet switching

(c)     time division multiplexing

(d)    All of these

(e)    None of these

Ans : (b)

5. In circuit switching

(a)    data is stored at intermediate nodes

(b)    transmission path is set before data transfer

(c)     dedicated communication link is not required

(d)    All of these

(e)    None of these

Ans : (b)

6. A device used in some magnetic tape data entry system is

(a)    key-to-disk station

(b)    light pen

(c)     touch Panel

(d)    card punch

(e)    None of these

Ans : (a)

7. Which of the following PC user must have a special hardware device that is to linkup with a bulletin board system?

(a)    ALU

(b)    Control Unit

(c)     Modem

(d)    Light Pen

(e)    None of these

Ans : (c)

8. A single primary storage location in the processor unit

(a)    can hold several different data items at the same time

(b)    can hold data items but not program instructions

(c)     is identified by a built-in and unique number called an address

(d)    is identified by a number that varies with the contents in the location.

(e)    None of these

Ans : (c)

9. A large computer designed to handle complex scientific calculations

(a)    may use only a firmed word-length storage approach

(b)    will likely require a character addressable storage unit

(c)     must use fixed length words of four character each

(d)    will not use numbered address locations

(e)    None of these

Ans : (a)

10. Methods used to organize and physically store disk data are cylinder and

(a)    sector

(b)    surface

(c)     track

(d)    hib

(e)    None of these

Ans : (a)

11. Magnetic storage chips have no moving parts, and they provide nonvolatile direct- access storage of data.

(a)    Tape

(b)    Disk

(c)     Ink character

(d)    Bus

(e)    None of these

Ans : (a)

12. A class of random access memory that requires periodic servicing in order for, the contents to remain valid is

(a)    Static RAM

(b)    Dynamic RAM

(c)     PROM

(d)    EPROM

(e)    None of these

Ans : (b)

13. A sequence of microinstruction is

(a)    machine code

(b)    microcode

(c)     mnemonics

(d)    gray code

(e)    None of these

Ans : (b)

14. A specific part of an arithmetic and logic unit that is used to perform the operation of multiplication is

(a)    multiplier

(b)    multiplener

(c)     multivibrator

(d)    quantization

(e)    None of these

Ans : (a)

15. Which of the following belongs to the first generation of computer?

(a)    HNIAC

(b)    IBM 1401

(c)     IBM 8090

(d)    UNI VAC

(e)    None of these

Ans : (d)

16. A typical modern computer uses

(a)    LSI chips

(b)    vacuum tubes

(c)     valves

(d)    All these

(e)    None of these

Ans : (a)

17. Which kind of hardware is used the most in the input phase of a computer-based information system?

(a)    Keyboard

(b)    Printer

(c)     Monitor

(d)    Hard disk

(e)    None of these

Ans : (a)

18. Which kind of device allows the user to add components and capabilities to a computer system?

(a)    System boards

(b)    Storage devices

(c)     Input devices

(d)    Expansion slots

(e)    None of these

Ans : (d)

19. Which of the following persons probably has the least amount of technical knowledge?

(a)    User

(b)    Computer operator

(c)     System Analyst

(d)    Programmer

(e)    None of these

Ans : (a)

20. Which of the following is not true for primary storage?

(a)    Information must be transferred to primary storage

(b)    It is relatively more expensive

(c)     It allows very fast access to data

(d)    It is less expensive

(e)    None of these

Ans : (e)

21. In a generic microprocessor, instruction cycle time is

(a)    shorter than machine cycle time

(b)    larger than machine cycle time

(c)     exactly double the machine cycle time

(d)    exactly the same as the machine cycle time

(e)    None of these

Ans : (b)

22. The cyclic codes are used in

(a)    arithmetic and logical computations

(b)    data transfer

(c)     continuously varying signal representation

(d)    All of these

(e)    None of these

Ans : (c)

23. The operation of a digital computer is based on principle.

(a)    Counting

(b)    Measuring

(c)     Electronic

(d)    Logical

(e)    None of these

Ans : (a)

24. Which of the following is a group of related characters that are treated as a single unit?

(a)    Array

(b)    File

(c)     Field

(d)    Block

(e)    None of these

Ans : (c)

25. The person who writes instruction that tell the computer how to handle input information is

(a)    data entry operator

(b)    computer programmer

(c)     computer operator

(d)    keypunch operator

(e)    None of these

Ans : (b)

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)