In magnetic disks, data is organized on the platter in a concentric sets of rings called

Options: sector,    track,    head,    block



Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

Hits Today: 6822 | Level: Moderate

Got some suggestion about this question or to make this site better? Please leave your comments below.

Want to see where do you stand among other aspirants in "Computer" Category?

Click Here to take quick 5 mins MCQ test to find out.

More Computer Fundamental Related questions:

A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed?
Options: Mass Memory,    Main memory,    Logic unit,    Arithmetic unit

Ans:B ,B

A computer consists of
Options: A) A central processing unit B) A memory C) Input and output unit D) All of the above


What should be the first step while OS upgrading? A)  Delete old Operating System B)  Backup old Operating System C)  Backup Critical Data D)  Format Hard Disks

Ans:– C ,

A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?
Options: microfilm,    microfiche,    film card,    COM

Ans:C ,C

In SQL, the ALTER TABLESPACE command is used
Options: to add/rename data files,    to change storage characteristics,    to take a tablespace online/offline,    to begin/end a backup

Ans:E ,E

How many bits in a byte?
Options: 16,    8,    255,    10

Ans:B ,B

. You can detect spelling and grammar errors by
Options: a. Press Shift + F7 b. Press Ctrl + F7 c. Press Alt+ F7 d. Press F7

Ans:– D,– D

. You can load character map by
Options: a. Program >> accessories >> system tools >> character map b. Program >> Microsoft >> System tools >> character map c. Both of above d. None of above

Ans:9 – a ,9 – a

What is the algebraic sum of this series of values:+2, -3, -6,+4?
Options: -6,    -3,    0,    +2

Ans:B ,B

. When you open my computer on desktop you see the information of
Options: a. Hard disk b. CD c. Removable disk d. All of the above

Ans:0 – d ,0 – d

.Which of the following case does not exist in complexity theory
Options: A)Best case b.Worst case c.Average case d.Null case


Which programming language is based on Algol 60.
Options: PILOT,    SNOBOL,    ADA,    SIMULA


The 7-bit ASCII code widely used
Options: For data communication work,    In IBM mainframe models,    For coding external memory,    In large machines produced by non-IBM vendors

Ans:A ,A

. Who invented vacuum tubes?
Options: A) John Bardeen B) William Shockley C) Lee de Forest D) All of above


The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:
Options: One-half the primary current,    Same as the primary current,    Twice the primary current,    No more than 10% less than the primary current

Ans:A ,A

A search value can be an exact value or it can be
Options: a. Logical Operator b. Relationship c. Wild card character d. Comparison operation

Ans:ndash; c,ndash; c

Comments can be added to cells using …..
Options: Edit -> Comments B. Insert -> Comment     C. File -> Comments D. View –> Comments

Ans:– B ,

Which of the following occurs when one transaction reads a changed record that has not been committed to the database?
Options: Nonrepeatable read,    Phantom read,    Dirty read,    Consistent read

Ans:C ,C

An IRQ allow interface cards to:
Options: Interrupt the CPU to request service,    Pass data to the CPU to be processed,    Pass data from one card to another,    Pass data to the computers memory

Ans:A ,A

. You are editing an worksheet that you had previously saveIf you want to save the edited sheet without losing the original one, which command should you use?
Options: a. New b. Save As c. Edit d. Save

Ans:– b,– b

The basic operations performed by a computer are
Options: Arithmetic operation B. Logical operation C. Storage and relative D. All the above

Ans:– D ,

. SQL stands for __________.
Options: a. Standard Query Language b. Structured Query Language c. Simplified Query Language d. Static Query Language

Ans:5 – b ,5 – b

A set of well-defined procedures based on mathematical and geometric formulas for solving a problem in a finite number of steps is called:
Options: a permutation,    an algorithm,    arithmetic logic,    a geometric model

Ans:B ,B

EBCDIC can code up to how many different characters?
Options: 8,    16,    32,    64

Ans:E ,E

Which bus is bidirectional?
Options: data bus,    control bus,    address bus,    multiplexed bus

Ans:A ,A

The Memory Address Register
Options: is a hardware memory device which denotes the location of the current instruction being executed.,    is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.,    contains the address of the memory location that is to be read from or stored into.,    contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".

Ans:C ,C

. What do you call a primary key field included in another table?
Options: a. Foreign key b. Parent key c. Child key d. Index

Ans:– a,– a

The term used to represent the recycling of unused memory is:
Options: garbage collection,    diagnostic routine,    memory dump,    direct memory access

Ans:A ,A

The systems conversion technique of totally removing the existing system and immediately implementing the new system is called as
Options: crash conversion,    phased conversion,    pilot conversion,    parallel run

Ans:A ,A

What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?
Options: Memory resident package,    Project management package,    Data communication package,    Electronic mail package

Ans:C ,C

What is the term used for describing the judgmental or commonsense part of problem solving?
Options: Heuristic,    Critical,    Value based,    Analytical

Ans:A ,A

. The title bar always displays on
Options: a. Top of the open windows b. Left side of the open window c. Right side of the open window d. All of above

Ans:3 – a ,3 – a

An AI system developed by Terry A. Winograd to permit an interactive dialogue about a domain he called blocks-world.
Options: SHRDLU,    SIMD,    BACON,    STUDENT

Ans:A ,A

. The category of operating system that you most likely have running on your PDA computer is a_________Operating system
Options: a. Real time b. Single user, single task c. Single user, multitask d. Multiuser, multitask

Ans:5 – b ,5 – b

MS-EXCEL is based on ……….?

Ans:– A ,

A microprocessor:
Options: is another name for a computer,    is a CPU in integrated circuit form,    executes a program of instructions,    (a) and (c)

Ans:D ,D

Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?
Options: A,    B,    G,    N

Ans:C ,C

. 1 The wheel on a mouse can make it easier to __________.
Options: a. scroll through documents b. select objects c. open documents d. change volume

Ans:7 – a ,7 – a

Which of the following systems software does the job of merging the records from two files into one?
Options: Security software,    Utility program,    Networking software,    Documentation system

Ans:B ,B

. First generation computers used _________ for memory
Options: A) vacuum tubes B) silicon chips C) magnetic drum D) RAM


. Which of the following can be used to divide a web page into areas?
Options: a. frames b. theme c. table of contents d. none of the above

Ans: –  A , –  A

Which of the following is not the responsibility of the utilities component of DBMS software?
Options: creating the physical and logical designs,    removing flagged records for deletion,    creating and maintaining the data dictionary,    monitoring performance

Ans:A ,A

. A Compiler is ____
Options: A) a combination of computer hardware B) a program which translates from one high-level language to another C) a program which translates from one high-level to a machine level language D) None of these


. Who suggested Stored Program Concept
Options: A) John Mauchley B) J.P. Eckert C) John Neumann D) Joseph Jacquard


Which of the following TCP/IP protocol is used for remote terminal connection service?
Options: TELNET,    FTP,    RARP,    UDP

Ans:A ,A

. When was MS Windows operating system introduced?
Options: a. 1975 b. 1985 c. 1995 d. 2000

Ans:4 – b ,4 – b

A capacitor is measured in which of the following units?
Options: Volts,    Ohms,    Farads,    Resistance

Ans:C ,C

. What is the keyboard shortcut to move to the last records in a table?
Options: a. [Tab] b. [Shift]+[Tab] c. [Ctrl]+Home] d. [Ctrl]+[End]

Ans:0 – d ,0 – d

Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.
Options: 3, 3, 1, 7,    3, 2, 1, none,    3, 2, 1, 7,    3, 3, 2, none

Ans:B ,B

Magnetic tape can serve as :
Options: secondary-storage media,    output media,    input media,    All of the above

Ans:D ,D