April 2019 Flashcards
(100 cards)
Q1. Which of the following is a search condition for the black area of the Venn diagram
shown below?
Japanese restaurants in Sapporo and Japanese restaurants in Hakodate are to be searched for together. Which of the following is the logical expression that represents the search
condition?
a) (“Sapporo” AND “Hakodate”) AND “Japanese restaurant”
b) (“Sapporo” AND “Hakodate”) OR “Japanese restaurant”
c) (“Sapporo” OR “Hakodate”) AND “Japanese restaurant”
d) (“Sapporo” OR “Hakodate”) OR “Japanese restaurant”
C
Q3. When a path goes from node A1 to node C2 in Fig. 1 and the passing nodes are counted as shown in Fig. 2, there are three shortest paths with the minimum number of passing nodes. How many shortest paths are there available to go from node A1 to node D4 via node C2?
As shown in the figure below, decimal numbers 2, 5, 10, and 21 are represented using
five squares that are black or white.
2 □□□■□
5 □□■□■
10 □■□■□
21 ■□■□■
A white square indicates 0, and a black square indicates a different positive value that
is determined depending on the position of the square. When the sum total of the
values of the five squares shows a decimal number, which of the following is the
decimal number that is represented by ■■□□□?
a) 12
b) 20
c) 24
d) 30
c
Q5. The data is exchanged between variable A and variable B. When variable TMP is used
to temporarily store data, which of the following is the procedure for exchanging data
correctly? Here, “x←y” indicates that the data of “x” is replaced with the data of “y”.
The procedure described below is sequentially performed for two variables x and y, starting with step (1). When the procedure is completed, what is the resulting value of x?
[Procedure]
(1) Assign 2 to x and 3 to y.
(2) Subtract 1 from the value of y, and assign the resulting value to y.
(3) Add the values of x and y, and assign the resulting value to x.
(4) If the value of y is 1, complete the procedure. Otherwise, return to step (2).
a) 4
b) 5
c) 7
d) 8
b
In a markup language, with the purpose of displaying on a screen and printing, it is
possible to directly embed not only the document content, but also the document
structure and layout information, and the character font and size. Which of the
following is classified into such a markup language?
a) CASL
b) HTML
c) SQL
d) URL
b
Which of the following represents a processing procedure of a program graphically in a visual way?
a) Gantt chart
b) Data flow diagram
c) Flowchart
d) Radar chart
c
There is a desk that can hold at most four (4) files. On this desk, six (6) files A through
F are used for a job. When the fifth file needs to be put on the desk, the file with the
longest time since the last use among the four (4) will be put in a drawer. If the files
are put on the desk and referenced in order of A, B, C, D, E, C, B, D, F, B, which of
the following is the last file to be put in the drawer?
a) A
b) B
c) D
d) E
d
Which of the following is an appropriate description concerning a CPU?
a) The cache memory that is integrated into a CPU is used to virtually extend the
capacity of the main memory.
b) A CPU is equipped with the arithmetic and logical function that serves as part of
control functions.
c) A CPU is categorized as a 16-bit, 32-bit, or 64-bit CPU depending on the data volume
processed at a time, but the width in bits is not related to the performance.
d) For CPUs that have the same architecture, the higher the clock frequency, the faster
the response time.
d
Which of the following is an appropriate description concerning flash memory?
a) It becomes read-only storage once data is written.
b) No power supply is required to retain stored data.
c) It is not used for digital cameras because of the difficulty of downsizing.
d) Data is read or written using laser light.
b
Among the interface standards (i) through (iv), which of the following contains all and
only the standards that do not need a physical connection with cables and the like?
(i) Bluetooth
(ii) IEEE 1394
(iii) IrDA
(iv) USB 3.0
a) (i), (ii)
b) (i), (iii)
c) (ii), (iii)
d) (iii), (iv)
b
Which of the following is an appropriate description about a device driver?
a) Software for controlling and operating peripherals that are connected to a PC
b) Software that is started immediately after a PC is turned on, and enables basic
input/output to the hard disk and the keyboard before the OS starts
c) Software to be embedded in a Web browser for displaying pages that contain video
d) Software that integrates multiple files into one (1) file and restores the original files
from the file
a
Q14. Among the system configurations shown below, which of the following has the lowest
probability of causing the entire system to stop at the occurrence of a failure? Here,
represents an identical device. When the devices are connected in parallel, only
one device must be running, and when the devices are connected in serial, all devices
must be running.
When MTBF is 600 hours and MTTR is 12 hours, what is the approximate availability?
a) 0.02
b) 0.20
c) 0.88
d) 0.98
d
Which of the following is an explanation of characteristics of a dual system?
a) It provides two (2) sets of systems that perform the same processing and checks the
correctness of the processing by comparing the results. If one of the systems fails, it
isolates the failed system and continues the processing.
b) The same two (2) devices are used, so that the processing capability can be increased
to double that of a simplex system.
c) It provides a currently used system for performing online processing and also a
backup system that is made on standby while performing batch processing. In the
event of a failure in the currently used system, it switches to the backup system, starts the online processing on it, and continues the service.
d) It connects multiple devices in series and configures them in such a way that the load
of each function is distributed among them, so that processing capability is high. But
if any one of the devices fails, it becomes unable to provide the service.
a
What is the minimum amount (in Mbytes) of virtual memory that is required under the
conditions below?
[Conditions]
1. Memory required for the OS: 200 Mbytes
- Memory required for applications: An amount of 50 Mbytes is required for each
application, and a total is calculated by multiplying it by the number of applications
that run concurrently. Eight (8) applications run concurrently. - Memory required for controlling main memory or other related functions: In
addition to 512 Mbytes of main memory, a minimum amount of 20 Mbytes is required. - Required virtual memory: The required amount is the sum of the above 1 through
a) 762
b) 782
c) 1,112
d) 1,132
d
Which of the following explains the functions of an archiver, which is one (1) type of
data management utility?
a) It creates areas on hard disks for storing data and managing such stored data.
b) It packs multiple files into a single file or restores them for data backup or distribution.
c) It protects data through such functions as file protection to secure the data from
unauthorized use or destruction, and copy protection to prevent illegal data copying.
d) On a fragmented hard disk, it reorganizes files by placing them in consecutive blocks
as much as possible.
b
Which of the following is an appropriate description concerning OSs used for PCs?
a) Since the interface between an OS and application programs is standardized, the
application programs can be developed without regard to the type of OS.
b) An OS allocates the computer resources, such as the CPU, memory, and auxiliary
storage device, to application programs.
c) Since an OS has the function of automatically converting character set of a file,
application programs can access the file without regard to the character set.
d) The source code of an OS is required to be disclosed so that application programs can
be free to use the various functions of the OS.
b
Q20. A spreadsheet program is used to create a quick reference chart for the compound
interest per a principal of 1,000 dollars. Which of the following is the expression that
should be entered in cell B4? Here, the expression in cell B4 is copied to each of cells
B4 through F13.
Which of the following is the most appropriate purpose of installing a business
application software package instead of developing own application software?
a) To enhance the environment of development
b) To reduce the cost of development
c) To acquire the knowledge of software development methods
d) To improve the skills of application developers
b
Which of the following is an appropriate description about the function keys of a PC?
a) They are the keys where specific functions are assigned for each application and OS.
b) They display a keyboard shape on a screen and enable input processing with software.
c) They have a security role and are keys for performing encryption and decryption.
d) They are information to identify specific lines uniquely in a database.
a
Which of the following is a computer that is used for tasks such as global scale
environmental simulations and DNA analysis, and was developed with the objective of
processing large amount of calculations at ultra high speed?
a) Virtual computer
b) Super computer
c) General purpose computer
d) Microcomputer
b
Which of the following is the copyright protection technology that is used for a DVDR and an SD card, and allows digital content to be duplicated to recording media only
once?
a) AR
b) CPRM
c) HDMI
d) MIDI
b