What is dispatch latency?


Options: The time taken by the dispatcher to stop one process and start another B. The time taken by the processor to write a file into disk C. The whole time taken by all processor D. None of Above

Ans:– A ,






More Operating System Related questions:


CPU speed of a personal computer is
Options: 32 KIPS B. 100 KIPS C. 1 MIPS D. None of these

Ans:– B ,


External data is stored in the
Options: market forecast file,    forecast allocation file,    customer file,    All of the above

Ans:A ,A


Which of the following is not a valid data type in excel
Options: a. Number b. Character c. Label d. Date/time

Ans:#8211; b,#8211; b


Which of the following is invalid filename?
Options: shutry,    TRY,    trial,    my .file

Ans:E ,E


The first IBM PC did not have any
Options: disk drive,    RAM,    ROM,    Port

Ans:A ,A


The essential features of a number system are
Options: Radix,    Set of distinct counting digits,    bits,    Both (a) & (b)

Ans:D ,D


Logical design of database is called
Options: Database Instance B. Database Snapshot C. Database Schema D. All of the above

Ans:– C ,


Stephanie is in charge of a small network and wants to make it simple but secure. The users want to have full control over their data and still be able to share data with the rest of the office. The networking knowledge of the office staff is basic. Which network(s) would be the best for Stephanie to set up?
Options: Peer-to-peer,    Master domain,    Server-based,    WAN

Ans:C ,C


. Basic is ________ language.
Options: A) a procedural B) an object oriented C) both A and B D) none of the above

Ans:A,A


Which is the make given to the database management system which is able to handle full text data, image data, audio and video?
Options: a. full media b. graphics media c. multimedia d. hypertext 

Ans:.c,.c


Which printer uses a combination of laser-beam & electro photographic techniques.
Options: Laser printers,    Dot-Matrix,    Line printer,    Daisy wheel

Ans:A,A


Which of the following persons probably has the least amount of technical knowledge?
Options: User,    Computer Operator,    System Analyst,    Programmer

Ans:A ,A


What is the best way to create another copy of a slide?
Options: a. Click the slide then press Ctrl+A and paste in new slide b. From Insert Menu choose Duplicate Slide c. Redo everything on a new slide that you had done on previous slide d. None of above

Ans: – B , – B


A 4 KHz noiseless channel with one sample every 125 per sec, is used to transmit digital signals. Find the bit rate (bits per second) that are sent, if CCITT 2.048 Mbps encoding is used.
Options: 500 Kbps,    32 Kbps,    8 Kbps,    64 Kbps.

Ans:D ,D


Arranging data in a specific order is called
Options: Merging,    Sorting,    Classification,    Verification

Ans:B ,B


What is meant by quad-density (QD) diskette?
Options: It is double-sided disk,    It is double density disk,    It has double the number of tracks per inch,    All of the above

Ans:D ,D


. Floppy disks are available in

Options: A) Single side single density B) Single side double density C) Both of above D) None of above

Ans:C,C


What is the barrier potential of a silicon diode at room temperature?
Options: 0.7V,    0.3V,    1 V,    2 m V per degree Celsius

Ans:A ,A


The magnetic storage chips used to provide nonvolatile direct access storage of data and that have no moving parts are known as
Options: Magnetic core memory,    Magnetic tape memory,    Magnetic disk memory,    Magnetic bubble memory

Ans:D ,D


. What type of device is computer keyboard?
Options: A) Memory B) Output C) Storage D) Input

Ans:D,D


Data Definition Language (DDL)
Options: describes how data are structured in the data base,    specifies for the DBMS what is required; the techniques used to process data,    determine how data must be structured to produce the user's view,    All of the above

Ans:A ,A


The methods used by COBOL to define that structure of a data item in terms of characters, digits, etc. is
Options: Password,    Pointer,    Picture,    Overlay

Ans:C ,C


The approach used in top-down analysis and design is
Options: to identify the top level functions by combining many smaller components into a single entity,    to prepare flow charts after programming has been completed,    to identify a top level function an d then create a hierarchy of lower-level modules and components.,    All of the above

Ans:C ,C


. A normal CD-ROM usually can store up to __________data?
Options: A) 680 KB B) 680 Bytes C) 680 MB D) 680 GB

Ans:C,C


On a systems flowchart, the online manual keeping of input data is identified by using the
Options: online storage symbol,    Online keyboard symbol,    keeping operation symbols,    manual operation symbols

Ans:B ,B


The fact that the same operation may apply to two or more classes is called what?
Options: Inheritance,    Polymorphism,    Encapsulation,    Multiple classification

Ans:B ,B


The difference between memory and storages is that memory is _____ and storage is _____
Options: Temporary, permanent,    Permanent, temporary,    Slow, fast,    AH of the above

Ans:A ,A


Terminal Table
Options: a permanent table which lists all key words and special symbols of the language in symbolic form,    a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure,    consists of a full or partial list of the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation,    contains all constants in the program

Ans:A ,A


The Cedar, BBN Butterfly, Cosmic Cube and Hypercube machine can be characterized as
Options: SISD,    MIMD,    SIMD,    MISD

Ans:B ,B


The black-box concept:
Options: is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.,    assumes that the black box is independent,    assumes that inputs and outputs will remain stable,    All of the above

Ans:E ,E


. What does the VLOOKUP function do?
Options: a. Looks up text that contain ‘v’ b. Checks whether text is the same in one cell as in the next c. Finds related records d. All of above

Ans:– c,– c


Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
Options: Interface,    Modem,    Attenuation,    Teleprocessor

Ans:B ,B


Programs are executed on the basis of a priority number in a
Options: Batch processing system B. Multiprogramming C. Time sharing D. None of these

Ans:– B ,


. Which feature is used for monitoring all document changes?
Options: a. Edit Document b. Monitor Change c. Track Change d. Track all

Ans: –  C , –  C


A ________ is a stored program that is attached to a table or a view.
Options: pseudofile,    embedded SELECT statement,    trigger,    None of the above is correct.

Ans:C ,C


. Can you tell what passes into and out from the computer via its ports?
Options: A) Data B) Bytes C) Graphics D) Pictures

Ans:A,A


________ is an object-oriented interface that encapsulates data-server functionality.
Options: ODBC,    OLE DB,    JPCD,    ADO

Ans:B ,B


You need the IP address of the devices with which the router has established an adjacency. Also, the retransmit interval and the queue counts for the adjacent routers need to be checked. What command will display the required information?
Options: show ip eigrp adjacency,    show ip eigrp topology,    show ip eigrp interfaces,    show ip eigrp neighbors

Ans:D ,D


.Which of the following data structure is not linear data structure?
Options: A)Arrays b.Linked lists c.Both of above d.None of above

Ans:D,D


. To save your computer from viruses you will do
Options: a. Install antivirus software and run it b. Make physical safe for the removal disk c. Scan the removable disk before using it d. All of the above

Ans:7 – a ,7 – a


In OLE DB, a service provider:
Options: does not own data only.,    transforms data through OLE DB interfaces only.,    is both a consumer and a provider of data only.,    All of the above are true of an OLE DB service provider.

Ans:D ,D


Want a PowerPoint photo album slide show to play continuously?
Options: a. Use random slide transitions b. Launch an online broadcast c. Loop continuously d. All of the above

Ans: – A , – A


Which of the following communications lines is best suited to interactive processing applications?
Options: narrowband channels,    simplex lines,    full-duplex lines,    mixed band channels

Ans:C ,C


. Which of the following processors use RISC technology?
Options: A) 486dx B) Power PC C) 486sx D) 6340

Ans:B,B


What is Thrashing?
Options: A high paging activity is called thrashing. B. A high executing activity is called thrashing C. A extremely long process is called thrashing D. A extremely long virtual memory is called thrashing

Ans:– A ,


Computing systems most often facilitate planning because they:
Options: make it possible to take into account many possibilities in an uncertain situation,    make it possible to solve complex problems,    enable an appropriate data processing system to provide answers quickly,    All of the above

Ans:A ,A


. Tape speed is measured in

Options: A) Feet per second B) Inch per second C) Meter per second D) Centimeter per second

Ans:B,B


How to insert Tables in Slide?
Options: Insert Table from Insert menu B. Click on Insert Table in content pane of blank slide C. Option A & B D. Tables cannot be inserted in slides

Ans:– C ,


The situation when in a linked list START=NULL is
Options: a. underflow b. overflow c. housefull d. saturated  

Ans:a,a


If the base supply voltage increases, the Q point moves
Options: down,    up,    nowhere,    off the load line

Ans:A ,A

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