help giải dùm đề thi Cf

mamenthanchuong

1 . All digital compurters user ….. number system to store the data
A – Octal
B – Hexadecimal
C – Decimal
D – Binary
Dap an D
2 . Hexadecimal D39E when converted to octal gives :
A – 647170
B – 156363
C – 151636
D – 141636
Dap an C
3 . The result of the multiplication of binary numbers 1011 and 111 is
A – 1001101
B – 1101101
C – 1100110
D – NONE OF THOSE
Dap an A
4 . The Web site is ( choose two)
A – Collection of linked webpages
B – A text file that contains the text along with the HTML tags
C – A location on WWW
D – Also known as Web document
Dap an B,C
5 . Shared permissions can be applied to ________
A – Both FAT and NTFS partitions
B – NONE OF THOSE
C- Only FAT partitions
D - Only NTFS partition
Dap an D
6 . Every character in the computer is represented by a string of ( choose one)
A – Characters
B - NONE OF THOSE
C – 0-9 digits
D – 0s and 1s
Dap an A
7 . The most popular and common standard of coding characters is
A- NONE OF THOSE
B – ASCII
C – ASCEE
D – EBCDIC
Dap an B
8 – The hexadecimal equivalent of binary number 010111011101 is
A – 111113
B - ABC
C – ABD
D – ACD
E - NONE OF THOSE

9. The access points for entry and exit of data are known as
A – Controllers
B – Buses
C – Ports
D connectors
Dap an C
10 . RS - 232 refers to wich two the following ?
A – Centronics ports
B - NONE OF THOSE
C – Mouse port
D – Parallel port
E – Electronic Industry Standard
Dap an C, E
11 . Programs user to prevent virus are called
A - NONE OF THOSE
B – Anti-virus programs
C – Vaccines
Dap an B
12 . The binary equivalent of the decimal number 378 is
A - NONE OF THOSE
B – 101110010
C – 101111011
D – 101111010

13 . The result of the multiplication of binary number 11010 and 1011 is
A – 100010110
B – 110011110
C – 100011110
D - NONE OF THOSE
14 . The binary Equivalent of the decimal number 378
A – 101110010
B – 101111010
C – 101111011
D - NONE OF THOSE
15 . The tool user for writing the set of ______
A – Program
C – Soffware
D – keyboard
Dap an C
16 . Wich four of the following as the standed
A – Add
B – full control
C – Change
D – Read
E – No acess
Dap an B
17 . The term gigabyte is used to represent
A – 10 raised to 3
B - NONE OF THOSE
C – 10 raised to 6
D – 10 raised to 9
Dap an D
18 . Advantages of a workgroup include ( choose three)
A Convenient for a limited number of users
B – Simple design makes it easy to implement
C – Centralised management
D – Efficient on a large network
E – Easy to share resources
Dap an A,C ,E
19 , Which tree of the following ports allow transfer of more than one bit at a time ?
A – printer port
B – Centronics port
C – Parallel port
D – Serial port
Dap an B
20 . The two types of buses are _____ and _____
A – Address
B – intermal
C – Data
D – External
Dap an A, C


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thachsanh

đề thi này ko khó. nếu như bạn là IT. ơ phần toán là hệ cơ số nhị phân.....tư tìm hiểu sé tốt cho bạn hơn đó