Pubali Bank Ltd - Officer/Senior Officer - 11.07.2014/তথ্য প্রযুক্তি এর প্রশ্ন পরুন ।

প্রশ্নঃ Each character on the keyboard of computer has an ASCII value which stands for

বর্ণনাঃ Meaning of ASCII is American standard code for information interchange.

প্রশ্নঃ when CPU is executing a program that is part of the Operating System , it is said to be in __

বর্ণনাঃ PU work in operating system using interrupt handler program.

প্রশ্নঃ The primary job of the operating system of a computer is to

বর্ণনাঃ Primary job of the OS is to manage resources of computer and coordination with CPU and users.

প্রশ্নঃ which of the following services does not normally use TCP?

বর্ণনাঃ TCP service use SMTP, SNMP, FTP, HTTP, DNS means Domain Name System which use IP.

প্রশ্নঃ An organization is granted a block , one address is 2. 2.2.64/20. The organization needs 10 subnets .what is the subnet prefix length ?

বর্ণনাঃ 2.2.2. 64/20 means 20 bits Id the network. You need 10 subnets so 10 + 2 =12 next highest power of 2 is 16(24), the 4 bits will be borrowed from the host and added to the network portion. So your /20 network bits becomes /24 which represent the mask.

প্রশ্নঃ How long is an IPv6 address?

বর্ণনাঃ IPV4 is 32 bits IPV6 is 128 bits

প্রশ্নঃ Bride works in which layer of the OSI model?

বর্ণনাঃ Bridge works at layer 2 (Data Link) because they examine the MAC address.

প্রশ্নঃ which of the following is used to transfer files ?

বর্ণনাঃ The file Transfer Protocol(FTP) is standard network protocol used to transfer computer files from one host to another host over a TCP – based network, such as the internet.

প্রশ্নঃ which organization defines the Web Standards ?

বর্ণনাঃ The world wide web consortium (W3C) is the main international standards organization for the world wide web.

প্রশ্নঃ which of the following is NOT a peripheral device ?

বর্ণনাঃ Peripheral devices are the outer devices of the CPU; such as monitor, keyboard, Speaker, mouse, printer etc.

প্রশ্নঃ In which year was Aunik born? Statements : 1 . Aunik at present is 25 years younger to his mother. 2. Aunik 's brother , who was born in 1964 , is 35 years younger to his mother .

বর্ণনাঃ From both (1) and (2), we find that Aunik is (35 – 25) = 10 years older than his brother, who was born in 1964. So, Aunik was born is 1954.

প্রশ্নঃ How many children does M have? Statements : 1. H is the only daughter of X who is wife of M . 2. K and J are brothers of M.

বর্ণনাঃ From (1), we conclude that H is the only daughter of M. But this does not indicate that M has no son. The information given in (2) is immaterial.

প্রশ্নঃ How many doctors are practicing in this town ? Statements 1. There is one doctor per seven hundred residents . 2. There are 16 wards with each ward with each ward having as many doctors as the number of wards

বর্ণনাঃ From (1), total number of doctors in town (1/700 x N), Where N = total number of residents in town, But, the value of N is not known. From (2), total number of doctors in town = (number of wards in town) x (number of doctors in each ward) = 16 x 16 = 256.

প্রশ্নঃ who among P, Q, T, V and M is exactly in the middle when they are arranged ascending order of their heights ? Statements : 1. V is taller than Q but shorter than M 2. T is taller than Q and M but shorter than P

বর্ণনাঃ From (1), we have : M > V > Q From (2), we have : T > Q, T >M, P > T Combining the above two, we have : P > T > M > V > Q i.e. Q Clearly, M is in the Middle.

প্রশ্নঃ Five persons __ A,B, C, D and E are sitting in a row. who is sitting in the middle ? Statements 1. B is between E and C . 2. B is to the right of E. 3. D is between A and E .

বর্ণনাঃ From (1), the order is : E, B, C or C, B, E From (2), the order is : E, B From (3), the order is : A, D, E Combining the above three, we get the order as : A, D, E, B, C. Clearly, E is sitting in the middle.