Computer Fundamentals mcq for Placement - Set 41 - ObjectiveBooks

Computer Fundamentals mcq for Placement - Set 41

Practice Test: Question Set - 41


1. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called
    (A) ASCII
    (B) EBCDII
    (C) BCD
    (D) All of the above

2. Any device that performs signal conversion is
    (A) Modulator
    (B) Modem
    (C) Keyboard
    (D) Plotter

3. A computer will function only if it
    (A) Has a control unit
    (B) Is given input data
    (C) Has a program in its memory
    (D) Has software package

4. Which of the following is usually a special one-time operation that must be completed over a limited time period?
    (A) Batch
    (B) Patch
    (C) Project
    (D) Word

5. What is the number of bits needed for an address in a 4 K memory?
    (A) 4
    (B) 8
    (C) 12
    (D) 16

6. The computer code for the interchange of information between terminals is
    (A) ASCII
    (B) BCD
    (C) EBCDIC
    (D) None of the above

7. Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called
    (A) Sequential-access memory
    (B) Random-access memory
    (C) Secondary memory
    (D) Mass storage

8. A device invented by Dr. Bobeck in 1966, for mass storage of data is
    (A) Punched paper tape
    (B) Magnetic bubble storage
    (C) Magnetic tape
    (D) Magnetic disk

9. A number which is stored and processed but not in the standard exponential form is called
    (A) Floating point number
    (B) Fixed point number
    (C) Octal number
    (D) Decimal number

10. An internal storage consisting of arrays of small rings of magnetic material called ferrite is
    (A) Magnetic tape
    (B) Magnetic core
    (C) Magnetic disk
    (D) Optical mark reader

11. Which is another name for functional language?
    (A) Machine
    (B) Application language
    (C) Low-level language
    (D) High-level language

12. Communication using a modulated carrier to apply a data signal to a transmission medium in analog form is

    (A) Local area network
    (B) Modem
    (C) Base band networking
    (D) Broad band networking

13. Off-line operation is the operation of devices without the control of
    (A) Memory
    (B) CPU
    (C) ALU
    (D) Control unit

14. All the instructions and procedures needed to start up a computer, to the point it can load an operating system, are stored in ROM chips. In IBM compatible PCs this is called the _______
    (A) RAM BIOS
    (B) ROM BIOS
    (C) EPROM
    (D) POST

15. As compared to diskettes, the hard disks are
    (A) More expensive
    (B) More portable
    (C) Less rigid
    (D) Slowly accessed

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