The heart of any computer is the

Options: CPU,    Memory,    I/O Unit,    Disks



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

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More Computer Fundamental Related questions:

The file system “NTFS” stands for A)  New Type File System B)  Never Terminated File System C)  New Technology File System D)  Non Terminated File System

Ans: – C ,

. If you want all of the white cats grouped together in the database, you need to sort by ________.
Options: a. Color, then Gender b. Pet Type, then Color c. Pet Type, then Gender d. Color, then Pet Name

Ans:– b,– b

Which of the following can you use to add times to the slides in a presentation?
Options: a. Slide show menu b. Rehearse timings button c. Slide transition button d. All of the above

Ans: – B , – B

Convert the BRNE h#01E6, i assembly language instructions into hexadecimal machine language:
Options: 0111EF,    9001E6,    DA000F,    40

Ans:B ,B

The index consists of
Options: a list of keys,    pointers to the master list,    both (a) and (b),    All of the above

Ans:C ,C

Which of the following is not a font style?
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Ans:5 – d ,5 – d

What is one important thing transistors do?
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Ans:B ,B

. Which of the following search criteria is invalid?
Options: a. $45* b. *cal* c. D*m?? d. AS150*

Ans:6 – a ,6 – a

Sort/report generators
Options: are faster than index/report generators,    require more disk space than index/report generators,    do not need to sort before generating a report,    both (a) and (b)

Ans:B ,B

The EIA-232 interface has _____ pins.
Options: 20,    24,    25,    30

Ans:C ,C

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Options: a. WinZip b. WinShrink c. WinStyle d. None of above

Ans: a, a

Which of the following function will use to find the highest number in a series of number?
Options: MAX(B1:B3) B. MAXIMUM (B1:B3) C. HIGH (B1:B3) D. HIGHEST(B1:B3)

Ans:– A ,

Continuous line drawing are produced using
Options: Chain printers,    Daisy wheel printers,    Plotters,    Thermal devices

Ans:C ,C

Which of the following statements is true concerning subqueries?
Options: Involves the use of an inner and outer query.,    Cannot return the same result as a query that is not a subquery.,    Does not start with the word SELECT.,    All of the above.

Ans:A ,A

Transient data is which of the following?
Options: Data in which changes to existing records cause the previous version of the records to be eliminated,    Data in which changes to existing records do not cause the previous version of the records to be eliminated,    Data that are never altered or deleted once they have been added,    Data that are never deleted once they have been added

Ans:A ,A

If special forms are needed for printing the output, the programmer specifies these forms through?
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Ans:A ,A

Which of the following is not an advantage of decentralized processing over centralized processing?
Options: reduced data communication costs,    improved system reliability,    increased employee productivity,    increased computer system control

Ans:D ,D

What are the types of linkages?
Options: Internal and External,    External, Internal and None,    External and None,    Internal

Ans:B ,B

A stack pointer is 
Options: a . a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b . a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d . a register in which flag bits are stored


Data items grouped together for storage purposes are called a
Options: record,    title,    list,    string

Ans:A ,A

Which approach to speech recognition avoids the problem caused by the variation in speech patterns among different speakers?
Options: Continuous speech recognition,    Isolated word recognition,    Connected word recognition,    Speaker-dependent recognition

Ans:D ,D

Which provides the fastest data access time?
Options: RAM,    ROM,    CD-ROM,    Hard disk

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Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers?
Options: lines per inch,    lines per sheet,    characters per inch,    characters per second

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Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?
Options: The voltage remains at one polarity and at a steady level,    The voltage remains at one polarity but changes value periodically,    The voltage causes current to flow in two directions at the same time,    The voltage reverses polarity periodically

Ans:B ,B

Which device is on IRQ 6?
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Ans:C ,C

Which one of the following statements is true for the voltage in a parallel RL circuit?
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Ans:A ,A

What command is used to save the standard output in a file, as well as display it on the terminal?
Options: tee,    grep,    cat,    more

Ans:A ,A

Which company offers the LISP machine considered to be "the most powerful symbolic processor available"?
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Ans:B ,B

. Which is the menu command to recolor a picture on a slide
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Ans:4 – C ,4 – C

Environment in systems parlance refers to
Options: a sub-system,    the boundary,    a part outside the boundaries,    All of the above

Ans:C ,C

Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?
Options: Read committed,    Read uncommitted,    Repeatable read,    Serializable

Ans:B ,B

Which document sums up the general provisions of purchase, terms and agreement, warranties, and maintenance?
Options: The contract,    The project evaluation,    The financial report.,    The purchasing report

Ans:A ,A

. Which is the type of memory for information that does not change on your computer?

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. Scandisk
Options: a. Checks the disk b. Give information about disk c. Run from DOS mode d. All of the above

Ans:9 – d ,9 – d

Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
Options: FTP,    SNMP,    SMTP,    RPC

Ans:C ,C

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Options: planning,    controlling,    directing,    organizing

Ans:B ,B

To enable OSPFv3, which of the following would you use?
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Ans:A ,A

. A(n) ____ in the Record Selector indicates a new record.
Options: a. check mark b. pencil c. asterisk d. arrow

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What is bytecode?
Options: Machine-specific code,    Java code,    Machine-independent code,    None of the above is correct.

Ans:C ,C

Getting data from a cell located in a different sheet is called …
Options: a. Accessing b. Referencing c. Updating d. Functioning

Ans:#8211; b,#8211; b

Which of the following processor is software that accepts user ideas, manipulates and reorganises them in user-specified ways and then produces a refined model of those thoughts.
Options: Distribute,    Out-line,    Multi,    On-line

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What command is used to halt a Linux system?
Options: init 0,    Shutdown -t,    Shutdown -g -y0,    Ctrl+Alt+Del

Ans:A ,A

Data Manipulation Language enables users to
Options: Retrieval of information stored in database B. Insertion of new information into the database C. Deletion of information from the database D. All of the above

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Which particular generation of computers is associated with artificial intelligence?
Options: Second,    Fourth,    Fifth,    Third

Ans:C ,C

A mechanism for arranging controlled access to a shared resource is
Options: Retrieving,    Sorting,    Balleting,    Lock-out

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SQL can be used to:
Options: create database structures only.,    query database data only.,    modify database data only.,    All of the above can be done by SQL.

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. “Ctrl + PageDown” is used to
Options: Moves the cursor one Paragraph Down B. Moves the cursor one Page Down C. Moves the cursor one Line Down D. Moves the cursor one Screen Down

Ans:– B ,