351. A hand-held device for optically reading bar codes on goods, labels & shelves is____________________? A. Wand B. Light pen C. Mouse D. Touch tablet ✅ The correct answer is option A.
352. This is one of the architecture paradigm________________? A. Peer to peer B. Client-server C. HTTP D. Both A and B ✅ The correct answer is option D.
353. The computer’s processor consists of the following parts___________________? A. CPU and Main Memory B. Hard Disk and Floppy Drive C. Main Memory and Storage D. Control Unit and ALU ✅ The correct answer is option D.
354. In file transfer protocol, data transfer can be done in____________________? A. stream mode B. block mode C. compressed mode D. all of the above ✅ The correct answer is option D.
355. When you save to ________________ your data will remain intact even when the computer is turned off. A. RAM B. mother board C. secondary storage device D. primary storage device ✅ The correct answer is option C.
356. What do you call the smallest controllable element of a picture represented on a computer screen ? A. Bit B. Pixel C. Point D. Cell ✅ The correct answer is option B.
357. The two main components of the CPU is__________________? A. Registers and main memory B. ALU and bus C. Control unit and registers D. Control unit and ALU ✅ The correct answer is option D.
358. Arithmatic operations _____________________________? A. involve matching one data item to another to determine if the first item is greater than, equal to or less than the other item B. sort data items according to standard, predefined criteria in ascending order or decending order C. use conditions with operators such as AND, OR and NOT D. include addition, substraction, multiplication and division ✅ The correct answer is option D.
359. Which one of the following is a transport layer protocol ? A. stream control transmission protocol B. internet control message protocol C. neighbor discovery protocol D. dynamic host configuration protocol ✅ The correct answer is option A.
360. Third generation computers__________________? A. Were the first to use integrated circuitry B. Used transistors insted of vaccum tubes C. Were the first to use built-in error detecting devices D. All of the above ✅ The correct answer is option A.