Thursday, 3 December 2020

General Computer Test - 6

 

1. In the language of the computer profession, one thousand position of main storage is represented with the letter

(a)    K

(b)    L

(c)     M

(d)    C

(e)    None of these

Ans : (a)

2. The control of the jobs running within a system is

(a)    Job monitoring

(b)    Job stream

(c)     Job min

(d)    Job step

(e)    None of these

Ans : (a)

3. The total number of messages handled by a computerized telephone system on a daily basis is an example of :

(a)    Frequency

(b)    Updating

(c)     Volume

(d)    All of these

(e)    None of these

Ans : (d)

4. A device mounted on a communication satellite which receives, amplifies and re- transmits signals from earth station is

(a)    Track

(b)    Transponder

(c)     Transistor

(d)    Terminal

(e)    None of these

Ans : (b)

5. What is the acronym for Single In-Line Memory Module?

(a)    SIMM

(b)    SILMM

(c)     SM

(d)    SMM

(e)    None of these

Ans : (a)

6. Which type of processing that produces output results immediately after input data are entered into a computer system

(a)    Time-sharing

(b)    Interactive

(c)     Batch Processing

(d)    Real-time processing

(e)    None of these

Ans : (b)

7. A computer program that instructs other programs to perform a particular type of operation is

(a)    System software

(b)    Application program

(c)     Compiler

(d)    Interpreter

(e)    None of these

Ans : (a)

8. The provides a path between the CPU and peripheral devices, which are connected via interface cards

(a)    computer

(b)    expansion bus

(c)     memory

(d)    CPU

(e)    None of these

Ans : (b)

9. Programs prepared by an outside supplier & provided to a user in a machine readable form is known as

(a)    Utility program

(b)    Canned program

(c)     Application program

(d)    Application software

(e)    None of these

Ans : (b)

10. Pictures or drawings, typically displayed on a VDU to allow users to select program options is called

(a)    HIPO charts

(b)    Icons

(c)     Graphics

(d)    Network

(e)    None of these

Ans : (b)

11. The pieces of equipment which are attached to the CPU of a computer and which it can access are called

(a)    output devices

(b)    control units

(c)     hardware

(d)    disk drive

(e)    peripherals

Ans : (e)

12. A factor which might cause an individual to consider using a computer in criminal activities is :

(a)    The computer’s access to large sums of money

(b)    The speed with which the crime can be accomplished

(c)     EFTS (Electronic Funds Transfer System)

(d)    All the these

(e)    None of these

Ans : (d)

13. The Secure Electronic Transaction (SET) specification

(a)    is a notice, issued and verified by a certificate authority, that guarantees a user or Web site is legi timate

(b)    provides private-key encryption of all data that passes between a client and a server

(c)     allows users to choose an encryption scheme for the data that passes between a client and a server

(d)    uses a public-key encryption to secure credit-card transaction systems

(e)    None of these

Ans : (d)

14. ‘DOS’ floppy disk does not have      

(a)    A Boot Record

(b)    A File Allocation Table

(c)     A Root Directory

(d)    Virtual Memory

(e)    BIOS

Ans : (e)

15. All the information collected  during database development is stored in a_

(a)    repository

(b)    data warehouse

(c)     RAD

(d)    CASE

(e)    None of these

Ans : (b)

16. The component is used by the data analyst to create the queries that access the database.

(a)    data extraction

(b)    end-user query tool

(c)     end-user presentation tool

(d)    data store

(e)    None of these

Ans : (b)

17. A polymorphic virus

(a)    modifies its program code each time it attaches itself to another program or file

(b)    is a malicious-logic program that copies itself repeatedly in memory or on a disk drive until no memory or disk space remains.

(c)     a malicious-logic program that hides within or looks like a legitimate program

(d)    infects a program file, but still reports the size and creation date of the original uninfected program

(e)    None of these

Ans : (a)

18. Microwave transmission is used in environments where installing physical transmission media is     

(a)    difficult or impossible and where line-of- sight transmission is unavailable

(b)    easy or promising and where line-of-sight transmission is unavailable

(c)     difficult or impossible and where line-of- sight transmission is available

(d)    easy or promising and where line-of-sight transmission is available

(e)    None of these

Ans : (d)

19. Which is NOT a good Web security strategy?

(a)    Restrict access to the Web server; keep a minimum number of ports open

(b)    Limit the users who can load software, edit or add files.

(c)     Add demo programs, so users can test system without accessing production data.

(d)    Remove unnecessary compilers and interpreters

(e)    None of these

Ans : (d)

20. The word FTP stands for

(a)    File Translate Protocol

(b)    File Transit Protocol

(c)     File Typing Protocol

(d)    File Transfer Protocol

(e)    None of these

Ans : (a)

21. This tier processes HTTP protocol, scripting tasks, performs calculations, and provides access to data.

(a)    Client

(b)    Applications/Web server

(c)     Enterprise Server

(d)    DBA

(e)    None of these

Ans : (a)

22. RSA is

(a)    Symmetric Cryptosystem

(b)    Asymmetric Cryptosystem

(c)     Block Cypher

(d)    Digital Signature

(e)    None of these

Ans : (d)

23. A DVD-RAM is similar to a…………except it has storage capacities upto 5.2 GB.

(a)    CD-R

(b)    floppy disk

(c)     CD-RW

(d)    hard disk

(e)    None of these

Ans : (c)

24. How is power supplied to a low-power USB device?

(a)    Through a power cable

(b)    From an external power supply

(c)     Directly from the computer’s power supply

(d)    Through the USB cable

(e)    None of these

Ans : (d)

25. The………data mining techniques derives rules from real-world case examples.

(a)    Rule discover

(b)    Signal processing

(c)     Neural nets

(d)    Case-based reasoning

(e)    None of these

General Computer Test - 5

 

1. In the right setting a thief will steal your information by simply watching what you type.

(a)    snagging

(b)    spying

(c)     social engineering

(d)    shoulder surfing

(e)    None of these

Ans : (d)

2. A………..is a small program embedded inside of a GIF image.

(a)    web bug

(b)    cookie

(c)     spyware application

(d)    spam

(e)    None of these

Ans : (a)

3. A hacker contacts you my phone or email and attempts to acquire your password

(a)    spoofing

(b)    phishing

(c)     spamming

(d)    bugging

(e)    None of these

Ans : (b)

4. A hacker that changes or forges information in an electronic resource, is engaging in………

(a)    denial of service

(b)    sniffing

(c)     terrorism

(d)    data diddling

(e)    None of these

Ans : (d)

5. Hackers often gain entry to a network be pretending to be at a legitimate computer.

(a)    Spoofing

(b)    forging

(c)     IP spoofing

(d)    ID theft

(e)    None of these

Ans : (c)

6. The………..of a threat measures its potential impact on a system.

(a)    vulnerabilities

(b)    countermeasures

(c)     degree of harm

(d)    susceptibility

(e ) None of these

Ans : (c)

7. The power level drops below 120V.

(a)    brownout

(b)    spike

(c)     blackout

(d)    surge

(e)    None of these

Ans : (b)

8. Which of the following is NOT a Microsoft Internet tool or technology?

(a)    Dreamweaver

(b)    Silverlight

(c)     Internet Explorer

(d)    Expression Web

(e)    None of these

Ans : (a)

9. A protocol used to control the secure sending of data on the internet is :

(a)    SMTP

(b)    HTTPS

(c)     TCP/IP

(d)    HTTP

(e)    None of these

Ans : (b)

10. Programs from the same developer sold bundled together, that provide better integration and share common features, toolbars and menus are known as ………..

(a)    software suites

(b)    integrated software packages

(c)     software processing packages

(d)    personal information managers

(e)    None of these

Ans : (a)

11. ……………terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.

(a)    Data

(b)    Sales

(c)     Query

(d)    Point-of-Sale (POS)

(e)    None of these

Ans : (a)

12. The OSI model is divided into…………processes called layers.

(a)    five

(b)    six

(c)     seven

(d)    eight

(e)    None of these

Ans : (c)

13.………..are specially designed computer chips reside inside other devices, such as your car or your electronic thermostat.

(a)    Servers

(b)    Embedded computers

(c)     Robotic computers

(d)    Mainframes

(e)    None of these

Ans : (b)

14. In a ring topology, the computer in possession of the………can transmit data

(a)    packet

(b)    data

(c)     access method

(d)    token

(e)    None of these

Ans : (d)

15. Viruses are often transmitted by a floppy disk left in the floppy drive

(a)    Trojan horse

(b)    Boot sector

(c)     Script

(d)    Logic bomb

(e)    None of these

Ans : (b)

16. A database management system (DBMS) is a………..

(a)    hardware system used to create, maintain and provide controlled access to a database

(b)    hardware system used to create, maintain, and provide uncontrolled access to a database.

(c)     software system used to create, maintain, and provide uncontrolled access to a database.

(d)    software system used to create, maintain, and provide controlled access to a database.

(e)    None of these

Ans : (d)

17. A Proxy server is used for which of the following?

(a)    To provide security against unauthorized users

(b)    To process client requests for web pages

(c)     To process client requests for database access

(d)    To provide TCP/IP

(e)    None of these

Ans : (b)

18. ……….are words that a programming language has set aside for its own use.

(a)    Control words

(b)    Reserved words

(c)     Control structures

(d)    Reserved keys

(e)    None of these

Ans : (b)

19. What is the primary difference between a virus and a worm?

(a)    A worm has the ability to self-propagate from an infected user’s computer to other computers

(b)    A worm is usually written by a cracker : Script bunnies do not have the skills to develop worm program

(c)     A virus is very harmful to the computers it infects; a worm is not a serious a problem

(d)    Anti-virus software is effective in fighting viruses but not worms

(e)    None of these

Ans : (c)

20. describe what is database fields.

(a)    Structures

(b)    Field markers

(c)     Field definition

(d)    Field names

(e)    None of these

Ans : (d)

21. A goal of normalization is to………….

(a)    minimize the number of relationships

(b)    minimize the number of entities

(c)     minimize the number of tables

(d)    minimize the number of redundancy

(e)    None of these

Ans : (d)

22. A(n)………….uses pictures (called icons) and menus displayed on the screen to send commands to the computer system.

(a)    command-based user interface

(b)    GUI

(c)     system utility

(d)    API

(e)    None of these

Ans : (b)

23. 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

(e)    None of these

Ans : (d)

24. ‘ITS’ stands for

(a)    Intelligent Teaching Systems

(b)    International Tutoring Systems

(c)     Intelligent Tutoring Systems

(d)    All of these

(e)    None of these

Ans : (c)

25.  Any piece of equipment forming an interface to a data communication system is

(a)    DTE

(b)    DTA

(c)     CSA

(d)    DCA

(e)    None of these

Ans : (b)