প্রশ্নঃ bit stands for
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ Binary Digit এর প্রথম দুটি অক্ষর Bi ও শেষের t নিয়েই Bit শব্দটি গঠিত। Bit দিয়ে আসলে সংক্ষেপে Binary Digit ই বুঝানো হয়।
প্রশ্নঃ A compiler means
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ A compiler is a program which translates source program into object program. এটি অপশনে দেয়া নেই। বাকি অপশনগুলো সঠিক নয়।
প্রশ্নঃ The list of coded instructions is called
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ
Computer program is a set of instruction given to computer. Algorithm: Algorithm is a set of instructions to solve a particular task. Flowchart: Flowchart is a pictorial presentations of an algorithm. কম্পিউটারকে দেয়া যে কোনো instruction বা নির্দেশ যা High level language –এ code করা তাই হলো computer program.
প্রশ্নঃ when a computer is first turned on or restarted ,a special type of absolute loader is executed ,called
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ Bootstrap loader: alternatively referred to as bootstrapping, bootloader or boot program, a bootstrap loader is a program that resides in the computers EPROM, ROM or other non-volatile memory that automatically executed by the processor when turning on the computer.
প্রশ্নঃ which class of IP address has the most host addresses available by default ?
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ Class a networks range from 1 to 127. The default subnet mask is 255.0.0; thus, by default, the first octet defines the network, and last three octets define the host. This results in a maximum of 127 class A networks, with 16,777,214 hosts per network.
প্রশ্নঃ IPV4 address is
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ
IP v4 address is 32 bit addressing system. IP v6 address is 128 bit addressing system.
প্রশ্নঃ which of the following is not OSI model ?
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ
OSI Mode TCP/IP layer 1. Physical layer 1. Physical 2. Data link layer 2. Network Interface 3. Network layer 3. Internet 4. Transport layer 4. Transport 5. Session layer 5. Application 6. Presentation layer 7. Application layer
প্রশ্নঃ The last address of IP address represents
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ The last address fo IP broadcast address is 255.255.255.255.
প্রশ্নঃ To check to see if the Web server you are trying to reach is available or is down, which command line utility should you use?
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ A PING command is a method of checking if the computer is connected to a network.
প্রশ্নঃ Web hosting service is a type of
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ Internet hosting service এর মধ্যে web hosting service অন্তর্ভুক্ত।
প্রশ্নঃ A proxy server is used for which of the following ?
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ A proxy server (a computer system or application) that acts as an intermediary for requests from clients seeking resources from other servers. Its provide security against unauthorized users.
প্রশ্নঃ with respect to a network interface card , the term 10 /100 refers to
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ 10(10 BASE-T) is 1.25 Mbps and 100 (100BASE-TX) is 12.5 Mbps.
প্রশ্নঃ Virtual memory consists of __ .
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ Static RAM এর সমন্বয়ে virtual memory গঠিত।
প্রশ্নঃ Cache memory acts between __.
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ CPU এবং RAM এর মাঝামাঝি পর্যায়েই Cache memory কাজ করে।
প্রশ্নঃ which of the following protocol is not used in the Internet ?
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ WIRL নামে কোনো protocol ইন্টারনেট ব্যবহৃত হয় না।
প্রশ্নঃ How is Related to K? Statements 1. R's sister J has married T's brother L, who is the only son of his parents 2. K is the only daughter of L and J.
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ From (1). We know that L is T’s brother and J’s husband. Since L is the only son of his parents, T is L’ sister. From (2), We know that K is L’s daughter. Thus from (1) and (2), we conclude that T is the sister of K’s father i.e. T is K’s aunt.
প্রশ্নঃ who is to the immediate right of P among five persons P, Q, R, S and T facing North? Statements : 1. R is third to the left of Q and P is second to the right of R. Q is to the immediate left of T who is second to the right of P.
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ
From (1), We have the order: R-, P, Q.
From (2), We have the order: P, Q. T.
Clearly, each one of the above two orders indicates that Q is to the immediate right of P.
প্রশ্নঃ How many pages of book X did Mohsin read on Sunday ? Statements : 1. The book has 300 pages out of which two -thirds were read by him before Sunday . 2. Robert read the last 40 pages of the book on the morning of Monday?
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ From (1) and (2), We find that Robert (or Mohsin) read (300×2/3) i.e. 200 pages before Sunday and the last 40 pages on Monday. This means that he read [300-(200+40)] i.e. 60 pages on Sunday N.B. Robert or Mohsin? There is a mistake in questions.
প্রশ্নঃ How many visitors saw the exhibition yesterday? Statements : 1. Each entry pass holder can take up to three persons with him / her . 2. In all, 243 passes were sold yesterday.
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ From (1) and (2), we find that maximum (243×3) i.e. 729 visitors saw the exhibition. But the exact number cannot be determined.
প্রশ্নঃ what is the monthly salary of Rahman ? Statements : 1. Rahman's basic salary is Tk. 100 more Rajan's salary who also serves in Rahman's company. 2. Other allowances drawn by Rajan besides his basic salary are Tk. 2,000 per month which is TK. 50 less than Rahan's salary . 3. Rajan's basic salary is TK. 1550 per month.
Best One ব্যাখ্যা যোগ করুন।বর্ণনাঃ
From (3), We have: Rajan’s basic salary= Tk. 1550 From (1), We have: Rahman’s basic salary= Tk. (15550+100)= Tk. 1650 From (2), We have: Rajan’s other allowances= Tk. 2000 and Rahman’s other allowances = Tk. 2050. Therefore, Rahman’s monthly salary = Tk. (1650+2050)= Tk. 3700
বিষয়ভিত্তিক সমাধান
প্রতিষ্ঠানভিত্তিক সমাধান
অনলাইন মডেল টেস্ট
