What is the function of an operating system?

Options: Manages computer’s resources very efficiently B. Takes care of scheduling jobs for execution C. Manages the flow of data and instructions D. All of the above

Ans:– D ,

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More Operating System Related questions:

SCSI must be terminated with?
Options: Dip switch,    Resistor,    BNC,    All of the above

Ans:B ,B

Which of the following are kinds of instructions?
Options: Input,    Arithmetic,    Conditional branching,    All of the above

Ans:D ,D

Most important advantage of an IC is its
Options: Easy replacement in case of circuit failure,    Extremely high reliability,    Reduced cost,    Low power consumption


Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?
Options: 0.17 V,    10.17 V,    20 V,    18.8 V

Ans:A ,A

. Which of the following is the system tool?
Options: a. Backup b. Disk defragmenter c. Both of above d. File

Ans:6 – c ,6 – c

. What was the name of the first commercially available microprocessor chip?
Options: A) Intel 308 B) Intel 33 C) Intel 4004 D) Motorola 639


. Start/restart the computer is called
Options: a. Exit b. Run c. Option d. Boot

Ans:7 – d ,7 – d

. Which of the following items are examples of storage devices?
Options: A) Floppy / hard disks B) CD-ROMs C) Tape devices D) All of the above


On a class C network with a subnet mask of 192, how many subnets are available?
Options: 254,    62,    30,    2


Can you tell what passes into and out from the computer via its ports?
Options: Data,    Bytes,    Graphics,    Pictures


The time factor when determining the efficiency of algorithm is measured by
Options: a. Counting microseconds b. Counting the number of key operations c. Counting the number of statements d. Counting the kilobytes of algorithm  


. An operating system is a program or a group of programs that
Options: a. Helps in checking the spelling of Word b. Maintain the relationship in Database c. Manages the resources of the Computer d. Performs the calculations of cells in Excel

Ans:2 – c ,2 – c

To exit the PowerPoint
Options: a. click the application minimize button b. click the document close button c. double click the applications control menu icon d. double click the document control menu icon

Ans: – C , – C

Telecommunication networks frequently interconnect an organization with its customers and suppliers. Select the best fit for answer:
Options: Bandwidth alternatives,    Switching alternating,    Inter organizational networks,    Extranets

Ans:C ,C

A _____ is a program that serves as an interface between application program and a set of coordinated and integrated files called a database.
Options: DDS,    DBMS,    MIS,    Control

Ans:B ,B

A magnetic tape volume that is used on a data processing operation without any change to its contents is
Options: Magnetic disk,    Punched paper tape,    Master tape,    Card reader

Ans:C ,C

Slack is the calculated time span within which the event must occur:
Options: true,    false,    cannot be said,    All of the above

Ans:A ,A

One solution to the multivalued dependency constraint problem is to:
Options: split the relation into two relations, each with a single theme.,    change the theme.,    create a new theme.,    add a composite key.

Ans:A ,A

A common data base is one requisite for converting CAD and CAM to CIM. Another is that:
Options: the system must make provision for new techniques.,    there should be a common 3-D part description system.,    the user must have access to both hardware and software,    technical assistance must be provided to the user.

Ans:B ,B

Actuarial accounting systems are associated with the _____ industry.
Options: insurance,    reliable,    consistent,    exhaustive

Ans:A ,A

. Generally, the DATE is entered in the form
Options: a. DD-YY-MM b. YY-DD-MM c. MM-YY-DD d. MM-DD-YY

Ans:Correct Answer: d ,Correct Answer: d

Options: is Network Information Service,    is a simple directory service whose main purpose is to allow remote authentication of systems on local network systems,    was formerly known as yellow pages,    allows configuration-such as password and group files

Ans:A ,A

. In a punched card system, data is processed by a

Options: A) Keypunch machine, sorter and posting machine B) Accounting machine, posting machine, and billing machine C) Sorter, posting machine, and billing machine D) Accounting machine, keypunch machine and sorter


LISP machines also are known as:
Options: AI workstations,    time-sharing terminals,    super mini computers,    All of the above

Ans:A ,A

. To add a Header/Footer in Handout
Options: a. View -> Page Setup b. View -> Header/Footer c. View -> Handout Master d. None of Above

Ans:4 – C ,4 – C

The data base be prepared until
Options: the computer has been selected,    the MIS staff has been acquired and organized,    the preparation of physical facilities,    All of the above

Ans:A ,A

The cp command uses:
Options: standard input file,    standard output file,    both input and output file,    neither standard input nor standard output file

Ans:D ,D

A benefit of the three-tier architecture is which of the following?
Options: New modules can be built to support specific business needs,    Performance improves for compiled SQL statements,    Results in a thinner client and database server,    All of the above.

Ans:A ,A

Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify?
Options: Track number,    Sector number,    Surface number,    All of the above


What is the size of a sector?
Options: 512 bytes,    256 bytes,    512 Kb,    1024 bytes

Ans:A ,A

What is the main purpose of the secondary storage device?
Options: To increase the speed of Computer B. To Install Operating System C. To Networking D. To Store Data

Ans:– D ,

Comments on a presentation can record who wrote them and when they were addeWhat’s the automatic way in PowerPoint 2002?
Options: a. Use online collaboration b. Use comments c. Use the notes page d. All of the above

Ans: – B , – B

A high quality CAD system uses the following for printing drawing and graphs
Options: A) Dot matrix printer B) Digital plotter C) Line printer D) All of the above


You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?
Options: as a master,    as a secondary,    as a slave,    as a primary

Ans:C ,C

What is the name of the memory card which is conceptually related to the smart card but is similar to the video disk?
Options: Laser card,    Master card,    Visa,    Optical card

Ans:A ,A

Many large organizations have information _____ where managers can use fourth-generation languages to retrieve the facts they need from online data bases, and where staff experts are available to provide PC hardware/ software guidance.
Options: expert,    centers,    control,    MIS

Ans:B ,B

Which of the following commands is used to identify the type of file by context?
Options: ls,    cat,    file,    more

Ans:C ,C

Which of the following tasks is not suited for sequential processing by a computer?
Options: Preparing of mailing labels,    Processing payroll cheques,    Accounting for credit card purchases,    Inventory control

Ans:D ,D

Word length of a Personal Computer is ___
Options: 4 bits B. 8 bits C. 16 bits D. 64 bits

Ans:– B ,

What is the term used to describe addresses available on a DHCP server?
Options: Pools,    Scopes,    Ranges,    Notes

Ans:B ,B

. Which of the following is related to fifth generation computers?

Options: A) Knowledge information processing system B) Very large scale integration (VLSI) C) Both of above D) Only b


. how would you create the following diagram in PowerPoint
Options: a. Use auto shapes and the drawing toolbar to create the diagram and design it b. Open the diagram gallery from the drawing toolbar and choose this diagram type c. Use the chart command on the insert menu to import the diagram d. All of above

Ans:3 – B ,3 – B

What is a common language that computers use to talk with one another on a network
Options: client,    adapter,    protocol,    operating systems

Ans:C ,C

Point out the error in the following program. #include<stdio.h> #include<stdarg.h> void varfun(int n, ...); int main() { varfun(3, 7, -11, 0); return 0; } void varfun(int n, ...) { va_list ptr; int num; num = va_arg(ptr, int); printf("%d", num); }
Options: Error: ptr has to be set at begining ,    Error: ptr must be type of va_list,    Error: invalid access to list member,    No error

Ans:A ,A

Which of the methods below can be used to tell a robot what it is to do?
Options: Walk-through,    Set mechanical stops,    Software program,    (a) and (c)

Ans:D ,D

What is the name given to the 8-bit unit used for coding data?
Options: block of characters,    byte,    word,    K

Ans:B ,B

Which of the following indicates the minimum number of entities that must be involved in a relationship?
Options: Minimum cardinality,    Maximum cardinality,    ERD,    Greater Entity Count (GEC)

Ans:A ,A

Which operation you will perform if you need to move a block of text?
Options:  A) Copy and Paste, B) Cut and Paste, C) Paste and Delete, D) Paste and Cut,


. How to remove the unwanted action from recorded macro without recording the whole macro again?
Options: a. By using the Find and Edit Action Option b. By clicking on the Refresh button in the Macro toolbar c. By edit the macro in the Visual Basic Editor d. Macro cannot be edited.

Ans:– c,– c

A program in execution is called
Options:  A Paging B.  A Process C.  A virtual memory D.  A Demand Page

Ans: – B ,